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SURGEON GENERAL'S OFFICE
LIBRARY.

 DuuJMENT
Section
W. D.S. G.O.
No.
2l8f*3
3—513
I
I 
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ARMY METEOROLOGICAL REGISTER. 
i 
METEOROLOGICAL  REGISTER

                   FOR THE YEARS


         1826, 1827, 1828, 1829, AND 1830;


                      FROM

              OBSERVATIONS

MADE BY THE SURGEONS OF THE ARMY AND OTHERS

                      AT THE

     MILITARY POSTS OF THE UNITED STATES.
      PREPARES UNDER THE DIRECTIOK OP

THOMAS  LAWSON,  M.D.,
     BURGEON-GENERAL UNITED STATES ARMY.
To which is Appended, the Meteorological Register for the Years 1822^33,
         1824, and 1825 : Compiled under the direction of

          ---'  JOSEPH LOVELL, M.D.,
       LATE SURGEON-GENERAL OF THE UNITED STATES ARMY.
[PUBLISHED FOR THE USE OF THE MEDICAL OFFICERS OF THE ARMY.]
                PitlatrelpMa:
HASWELL,  BARRINGTON, AND HASWELL,
          2 9 3  MARKET  STREET.
     NEW ORLEANS: JOHN J. HASWELL & CO.
 
 
REMARKS.
  I.v 1819, under the direction of the  then  Secretary of War, a
system of meteorological observations was commenced, and zealously
prosecuted by the  late Surgeon-General;  but  as  the  instruments
provided never exceeded  a thermometer and a rain-guage, the ob-
servations, including those upon the course of winds, and other
obvious states of the weather, have necessarily had a limited range.
The results are consequently less comprehensive than  the  present
state of meteorological science demands.   As temperature is", how-
ever, the most prominent, and  perhaps the controlling, element in
the constitution, of climate,  and  as thermometrical  observations
have been  continuously made for twenty years, it would seem a
matter of common right that these at least should  be placed within
reach of the scientific public.
   The Meteorological Abstracts, which have served as the basis of
the general conclusions deduced, do not embrace more, perhaps, than
a third of the materials collected in the Surgeon-General's  office.
As the  observations presented, however,  extend  over the entire
domain  of our States and Territories, it may reasonably be assumed
that  the results exhibit a  fair expression of the general laws of our
climate, which further research will ultimately confirm.
   As meteorology has now become a subject of  general interest,
the importance of more extended observations is apparent;  and the
hope is  indulged that the  medical  corps of the army, more  espe-
cially as  many of the  military  posts afford an opportunity of
making observations in regions still  in  a state  of  nature, will ere
long be  furnished with the means of prosecuting more extensive
researches, and of keeping pace with the progress of the science.
  To the late Surgeon-General, J. Lovell,  M.D., under whose effi-
cient control  the Medical Bureau  was organized, and  improved
with a  steady pace in its  various details, pertains  the merit of
having established a system of reports, thus rendering it practi-
cable to condense the results of years into the forms now pre-
sented.                                                    . j
   The unpublished records extend as far back as  1820, the period
when regular observations were first instituted.  In 1826, the late
Surgeon-General published Meteorological Abstracts for the years
1822-3-4-5, embracing positions  in every region of the United 
(i
METEOROLOGICAL REGISTER.
States.  Tables  for  1820 and  1N21 were  also published; but a
want of uniformity in the mode of tabular arrangement, has,  in a
measure, defeated their object.                               .
  Bv  direction of Thomas Lawson, M.D., Surg.-Gcneral U. ^. A.,
the papers on file in the  Medical Department relative to meteoro-
logy have been  lately examined and arranged.  " Diaries  oi the
Weather," from  1820 to 1830 inclusive, have been  condensed into
tabular abstracts; the last five years being  now presented in monthly
results.
  The thermometrical observations  are confined to the superficial
temperature of the places; and as the mean of each month is cal-
culated  from 90, and of each year from 1095 observations, the
tables, it is believed, will give  an approximation  to  the  truth as
near as can  be realized by ordinary observation, and a mean suffi-
ciently correct for every contemplated purpose.
  The climate of the United States  may be studied  under three
grand  divisions; each  of which  contains many  sub-divisions or
systems of climate, determined  by the  influence of local  causes.
1st. The  Northern Division, extending as far  south as the  39th
degree of latitude, a region characterized by the predominance of
low temperature.  2d. The Southern Division, in which a high  tem-
perature prevails; and  3d.  The Middle  Division,  which exhibits
phenomena vibrating to both extremes.  These divisions will be re-
garded, in a great  measure, as arbitrary,  and are intended, as  well
to facilitate description, as  to  express the  operation  of  general
laws.
   In  reference  to  the   sixty-five  tables,  embracing a  period
of five  years,  it  may  be  necessary  to remark,  that  the  first
twelve tables of each  year give the mean of the observations of  each
month, and  the  thirteenth, the  mean for the whole year.   These
tabular abstracts are the condensed results of the observations made
at various posts, situated between 27° 57' and 46° 39' of north lati-
tude,  and between 67° 04' and 95° 43' of  longitude west of Green-
wich; embracing an extent  of  18° 42'  of latitude, and 28° 39' of
longitude.
   The first general division presents the greatest variety of climate.
On the sea-coast  of New  England, the influence of the ocean
modifies the range of the thermometer and the  mean temperature
of the seasons.   Advancing into the interior, the extreme  range of
temperature increases, and  the seasons  are violently  contrasted.
Having come within the influence of the  lakes, a climate like that
of the sea-board is found; and proceeding into the region beyond
the modifying agency of these inland seas, an excessive climate is
again exhibited. The  variations of the isotheral and isocheimal curves
—the lines of equal summer  and of equal winter temperature—thus
afford a happy illustration  of the equalizing tendency of large bodies
of water.  Hence  the former  division  of the surface of the earth
into five zones, as regards its temperature, has been superseded, in
scientific inquiries, by a more precise arrangement; places  having 
                           REMARKS.                          7

the same mean temperature are connected by isothermal lines—the
spaces between them are called isothermal zones.
  A concise description of the chain of vast lakes or  inland seas,
which lie in the northern division, may be here properly introduced.
The basin of the St. Lawrence is truly a region of " broad rivers
and streams," containing, it is estimated, an area of 400,000 square
miles, of which 94,000 are covered  with water.  From the western
extremity of Lake Superior to  the  Gulf of  St. Lawrence, the  dis-
tance is about  1900 miles.   These ocean-lakes have been estimated
to contain 11.300  cubic miles of water—a quantity supposed to
exceed more than half of all the fresh water  on the face of the
globe.   Lakes Huron and Michigan, which  have  the deepest
chasms, have been  sounded to ^ the  amazing  depth  of 1800  feet
without discovering bottom.
   The following table, which gives the mean length, breadth, depth,
area, and elevation of these several collections of water, is taken
from  a recent report  made by Douglas Houghton, Esq.,  State
Geologist of Michigan:—
Lake Superior . . .  .
Green Bay......
Lake Michigan . . .  .
Lake Huron.....
Lake St. Clair . . .  .
Lake Erie......
Lake Ontario.....
St. Lawrence   . . .
Mean	Mean	Mean
Length.	breadth.	depth.
Miles.	Miles.	Feet.
400	80	900
100	20	500
320	70	1000
240	80	1000
20	18	20
240	40	84
180	35	500 20
Elevation	
above level	Area in square
of the sea.	miles.
Feet.	
596	32,000
578	2,000
578	22,400
578	20,400
570	360
565	9,600
232	6,300
	940
| 94,000	
            _________________________________________)    94,000

   Having said that the northern division exhibits four  striking  in-
 flexions of the isotheral and isocheimal lines on the same parallel
 of latitude, corresponding to certain  systems of climate, the data
 from which these results are obtained will now be given ; and the
 results of each year will be presented in detail.  To  illustrate the
 difference of temperature, more especially as regards its distribution
 among the seasons, between the sea-board and the interior remote
 from large bodies of water, a comparison of  the following posts
 will be instituted:
      Fort Sullivan, lat.  44° 41'        Fort Snellingr, lat.   44° 53'
        " Wolcott,  "   41° 30'        Council Bluff's "   41° 25'

      Mean East        43° 06'        Mean West       43° 09'
   The data given in the following table are contained  in  the first
twelve Abstracts for  1N2<>;  and, for  brevity's  sake, the  terms
east and  west will  be used to distinguish  the  Atlantic and the
interior posts, whilst the latitudes given will be regarded as means of
the eastern and western posts  respectively.—See Table [AJ p. 8. 
i| Fa. p o CD -CO 3 . 3 o CD OS o CD		> 3	PLACES OF OBSERVATION.			
	►P. OS 0 CO		Latitude.			
	OD 00		Mean Annual Temperature.			
1—1 O	CD 00		3 » CD E 1 ^			
1 to OS	to					
to ^1	to to					
to o bo	to JO CO		to »-CO 00	OS to to	Dec.	4 3 H W W
			1—1	to OD i-1	Jan.	
			h-1 CO 00 CO	to 3D -4	Feb.	
00 b 00	4* Ol		OS to 't-' Cn	OS Oi b	Mar.	cn 2
			to 00 05	bo to	April	
			OS CO to	cn	May	
b	as b ;n		to to	OS to ►-■ Cn	June	TH d 3 S w s t» d H d B
			3 o	OS CC OS h-'	July	
			-J to CO	OS CO OS cc	Aug.	
1			cn CO b OS	cs to <] OS	Sept.	
en o OS 00	i—i CO to		Cn OS	Cn to 1—1 00	Oct.	
			OS 00 cc	o 03 00	Nov.	
*l	"J				
o	o		o		
r*			CO		
DO O	2 o		< 2 S		
a'	5"		2 03		
	o		o 2!		
t	cn				
0			Latitude.		
Oi	Oi				
OS	t->				
					
£	*>• I—"		Mean Annual		
00 05	05		Temperature.		
CC	(T)		3 w		
is	*>				
			a P 2 3		
					
to	i—i		c org		
03	«J		= o		
I-*	h-"				
H-i	C				
Oi	h-■				
		h-1	to		
		CO	CO		
		1—i	rf*	Dec.	
I-"	to	Cn	'		*
			) —		
Oi	o b	OS b	00 CO	Jan.	«
	o	CO	OS		
		i—'	1 I-1		
		OS	■",		
		1—1	OS	Feb.	
		Cn	OS		
		to	to		
		cc	OS		
		OS	OS	Mar.	
fc	OS OS	o	to		cn US
		OS	OS to		
8	CO	05 00	00 Oi	April	?
		OS OS	8		
		^J	Oi	May	
		OS	CO		
		■^	OS		
		to			
		o	h-'	June	
		Oi	*.		
^J	05	^1	OS		d
to	03	OS	OS	July	3
©	^J	(X	<»		a
Oi	to	cn	#»		w
		<»	OS		
		o	03		
		to	to	Aug.	
	—-	4* Oi	CO		
			52		
		OS	00	Sept.	
		(0	*»		
					
>U	**	*k	£		d
OS	05	CO		Oct.	H
s	05 05	T— 03	OS OS		d
					Si
		OS	os		
		Cn to	i	Nov.	
		CO	c		
'Haisioaa ivoioo70Hoaj.aw 
REMARKS.
9
  During the winter, the mean of the east is  8.38 higher than the
west ; during the spring, 3.53 lower; during  the summer,  6.99
lower; and during  the autumn, 1.54 higher.  In the mean tempe-
rature for the year there  is but  a fractional  difference.   In the
extreme range of the thermometer there  is a  difference of 5°; but
an examination of each month shows the range to be much greater
at the interior posts remote from the agency of inland seas.
  Lest this striking contrast between the mean  temperature of
winter and that of summer might be ascribed to the elevation of the
western posts (being 6 or 700 feet above the level of the sea), a com-
parison between Forts  Mackinac and Snelling,  the former situated
on the Island of Mackinac, and the latter near the junction of the St.
Peters and Mississippi Rivers, will  be conclusive upon this  point.
See Table [B] p. 8.
  During the winter, the mean of the former, although 1° north, is
8.87 higher than the latter; during the spring, 8.09 lower; during
the summer, 8.33 lower; and during the autumn nearly equal.  As
these two posts present  little difference of elevation above the level
of the ocean, and are in comparative proximity, the fact—that the
winters are less rigorous and the summers more temperate,  on the
Great Lakes—is demonstrated to be owing, as on the ocean, to the
equalizing agency of large bodies of water.
  The Abstracts of 1827 furnish results corroborative of those of
the preceding year.  In comparing the Atlantic stations with those
in the interior  remote from  inland seas, the following  posts are
taken:—

  Fort Preble,   lat.  43° 38'       Fort Snelling,  lat. 44° 53'
   „  Constitution  „  43° 04'         „  Armstrong „  41° 28'
      Mean East     43° 21'         Mean West       43° 10'
                                      —See Table [C] p. 10.

   During the winter, the mean of the E. is  2.27  higher than  the
W.;  during the spring,  3.85 lower;  during the summer, 8.26
lower; and during the autumn, 1.71 lower.  At the W. the  mean
temperature of the year is 2.88 higher ; and  the extreme range of
the thermometer is  15° greater.
   A comparison between Forts Brady and Snelling, in relation to
the influence of the  Great Lakes, furnishes results confirmatory of
those of the preceding year.   See  Table [D] p. 10.
   During the winter, the mean of the former, although 1° 46' north
of the latter, is  1.76 higher; during  the  spring, it is 8.09  lower;
during the summer,  9.84 lower;  and during  the autumn, 2.37
lower.  At  Fort Snelling  the mean annual temperature is 4.64
higher, and the extreme range of the thermometer is 14° greater. 
3 1	"1				
	o		o		
2-	-I		a		
m	a		H h3		
£L 1	-1 05 a.		< 2 >		
	*<		> *• o		
o			-3 H		
orq |			3		
	•		2		
#*	*»				
IP-	OS				
			Latitude.		
C31	Oi				
OS	CD				
					
#».	4S»				
OS	I"-		Mean Annu		il
1—1 o	OS		Temperature.		
CO OS	00 4*		1 s		
					
<o	to		a orq a cc		
to	o		of the )meter		
1—1 h-1	1—1 O				
00	#»■				
		t—'	to		
		05	o		
		O	03	Dec.	
1—1	to	h-i	OS		4
		1—1	(—■		
00	O	^J	<J	Jan.	*
CO	h-1	to	OS		H
00	rf*	OS	OS		?
		£	to to		
		00	"^	Feb.	
		OS	OS		
		OS	to		
			cn		
		~}	00	Mar.	
		4*	cn		o>
					
£*	00	4^	OS		US-
OS	00 OS	*>•	CO OS	April	IS <a
oo	CO	OS	CO		
		OS	*»		
		to CO	CO CO	May	
		OS	to		
		<l	C71		
		1—'	CD	June	
		CD	OS		
		on	OJ		
<f	OS		OS		w a s w S3
		^1			
to to	to	4-o OS	OS o	July	
		<l	OS		
		O OS	OS cn	Aug.	
		cn	^>		
		OS	Cn		
		H-l o	OD bo	Sept.	
		to	<l		
	&	4*. co	cn	Oct.	d d
t£*	O	to			3
to	Cn	OS	to		
		OS	00		
		1—1	H-l		
		CO1	cn		
HJ5 s~	>		o		
3 =r	p		H		
	3		03		
f2.			H >a		
ps o	o		w t-1		
PT.T			< o >		
(D ii			> •* o		
tn (o			43 IS		
. 3			3 0B		
o			o		
«			3		
4^	*»				
OS	OS				
			Latitude.		
>—1	to				
o	H-l				
					
>p>	#>.				
00	OS		Mean Annual		
CO OS	o 00		Temperature.		
CO	CO		3" P«		
OS	Cn				
			CD P		
					
to to	1 00		3 en 3 S,		
					
l—l	o				
00	OS				
		to	to		
		o	00		
		OS	cn	Dec.	
to	to	~J	00		4
		1—'	to		
to OS OS	4* CO OS	CO in o	o	Jan.	
		to 00	ft		
		H-l	<J	Feb.	
		h-i	to		
		00	OS		
		OS ©	4^	Mar.	
#>.	£>	00	to		to
		rf*	#>		
CO	cn	^1	<J	April	V
t—"	OS	CO	1—'		?
Cn	o	-J»	00		
		OS	Cn		
		OS OS	OS CO	May	
		00	CO		
		~J	OS		
		to	to OS	June	
		OS	OS		
<f	OS	<l	OS		d w ?
CO CO	Cn OS	OS to	OD bo	July	
cn	CD	to	cn		
		<J	OS		
		03 cn	cn CO	Aug.	
		o	o		
		OS	OS		
		4^ to	o CO	Sept.	
		to	0D		
					
	4*	Cn	Cn		d
p	00 OS	o	c CO	Oct.	d
o	CO	OS	~J		g *
		OS	OS		
		OS	03 to	Nov.	
		1—1	1—1		
•aaxsioan ivoiooiOHoaiaiv
01 
REMARKS.
11
  Having demonstrated three systems of climate, viz.; that of the
Atlantic Coast and of the Lakes, which  have the extremes of tem-
perature modified, and that of the  region beyond  the Lakes, cha-
racterized by strongly contrasted seasons, it is practicable, this year,
by means of the thermometrical  observations at West Point, to
establish another system of climate.  As the climate of the Lakes
bears a close similitude to that of the sea-coast, so will this resem-
ble that of the region beyond the Lakes.   See Table [Ej p. 12.
  As West Point, New York, is on the same degree of latitude with
Fort Trumbull  (New  London, Connecticut), and is  distant only
one  and a half  degree of  longitude, no striking  contrast in the
results would  be, it priori, anticipated.   It  is found, however, that
the winters of the former  are 4.67 colder, and  the  summer 1.00
warmer; and that although the mean annual temperature of Fort
Trumbull is 1.56 higher, yet  the  heat  is  so equably distributed
through the seasons that the difference between the mean tempera-
ture of winter and summer is only  35.89, whilst that of West Point
is 41.56.  It is thus seen that  the  isotheral and  isocheimal lines,
on leaving the coast, gradually diverge until they come within the
influence of the Lakes, when they again converge;  and that, having
passed  beyond the  controlling power of these inland  seas, their
inflexions are once more in adverse directions. Hence it is apparent,
that  although two places may have the same mean annual tempe-
rature, and thus  be on the same isothermal line ; yet, owing to the
seasons being nearly uniform or violently contrasted, the climates,
may be very different.
  The Abstracts of 1828 furnish the usual results in regard to the
equalizing influence of the Ocean and the Lakes.   In the following
table, a comparison is made between the same  stations as in the
prior year.  See Table [F] p. 12.
  During the winter, the mean of the Atlantic posts is 8.70 higher
than that of Forts Snelling and Armstrong ; during the spring, it is
2.43 lower; during the summer, 6.90 lower; and during autumn
0.80 higher.  In the mean annual temperature, there  is but a frac-
tional difference; but the extreme range  of the thermometer is 23°
greater in the West.
  The results  obtained from  a comparison  of  Forts Brady and
Snelling, confirm the conclusions of  prior years.  See Table [G]
p. 13.
  During the winter, the mean temperature of the former is 3.47
higher than  the  latter ; during the  spring, it is 2.75 lower; during
the   summer, 12.61  lower; and during  the autumn, 3.08 lower.
At Fort Brady the difference between the  mean  temperature of
winter and summer is 40.79, whilst at Fort Snelling it is 56.87.
  Between West Point and Fort  Trumbull the comparison  is
found also to quadrate  with the general law. 
t-3. P9 O *r^ n ~< » S . 3 o		> s* 3 n"	PLACES OF OBSERVATION. .....			
00 1 CO O 1 o t-1 to			Latitude.			
4^ 4^-CO X Cn | o			Mean Annual Temperature.			
CO cn	CO to		O BJ 2 3 B en S o ra *"*> ra S"			
I to to	to					
<»	o 4-					
00 4*-OD	os to OD		to CO	OS 03	Dec.	4 3 w ?
			h-1 OS cn	to OD, to o	Jan.	
			to OS CO rfs-	S2 OS t—e	Feb.	
*> to OS	00 OS		00 00 CO OS	OS cn 4* 00	Mar.	en hi 3 ?
			4^-OS OS	00 4^ OS	April	
			OS cn	cn OS o cn	May-	
In OS o	OS 00 4=* o		OS OS 00	OS Cn OS 00	June	d a K M ?
			OS OS to	o o o	July	
			-J cn cn CO	OS CO Cn	Aug.	
cn o			cn CD bo OD	OS to to	Sept.	d 3
	cn O 00 to		Cn to to O	4>-CD Cn	Oct.	
			CO OD o OS	o CO CD	Nov.	
1 ^ o	3		0		
"■	X		to		
H			H *i		
^			W tr1		
e			< s >		
B	3		> 2		
o"	c**		3 02		
~			O 2		
rf=»	4*				
i—	(-■				
o			Latitude.		
to	to				
to	to				
					
Cn	"Cn				
OS			Mean Annii		al
1—	OS		Temperature.		
o	cs				
	*-*				
00	o				
00	t—'		5 3		
					
			B TO		
o	o		§ s B —i		
	*—»				
0D			3 S		
ao	H-*				
		*>	OS 1		
		to to	<© | Dec. E		
		tft»	Cn 1		
OS	OS	to	to		4
**	o	^J	03	Jan.	3
-i	(->	t—e	OS		H
t—'	#>	Ci			S
		03	03		
		£*			
		~J	00	Feb.	
		OS	<*		
		#»	►P*		
		to	o		
		OS	cn	Mar.	
cn	Cn	Cn	00		
		Cn	cn		
i—■	to	CO	4*		
Cn	OS	h^	OS	April	3 a
o	CO	cn	OS		
		Cn	OS		
		CD			
		o	CD	May	
		o	4*		
		OS	OS		
		to	CO to	June	
		cn	<J		
<J	<J	<j	~J		d
o		03	to	July	3
OS	OS	1—i	co		a
o	o	' OS	00		a
		<J	-1		
			to		
		OS	Cn	Aug.	
		CO	<l		
		OS	OS		
		OS	cn 4^	Sept.	
		Cn	00		d
cn	cn	Cn	cn		
cn cn	to OS	00	*>	Oct.	d 3
CO	1—1	£>.	Cn		
					
			-^		
		00	CD	Nov.	
		Cn	O		
■naxsioaa ivoiooioHoaxaw
si 
[   G   ]
PLACES OT OBSERVATION.	V ■a 3 CO ■J	^ 1> C Q. SB				WINTER.			SPRING.			SUMMER.			AUTUMN.		
			Range of the Thermometer.			a	e a —i		13	a.	a	0) C -3 1-J	>> 3	to 3 <	a, m	o O	> o
						23.74	18.43	20.33	28.73	39.35	61.23	52.80	67.20	64.86	54.85	45.53	34.50
						24.87	10.42	16.80	32.24	45.04	60.28	71.82	76.40	74.46 ; 58.83		50.12	35.18
Fort Brady ....	46° SO7	42.38	91	-20	111	20.83			43.10			61.62				44.96	
Fort Snelling. . .	44° 53'	46.34	92	-22	114	17.36			45.85			74.23 48.04					
PLACES OF OBSERVATION.	3	3 >-C 3 B O.				WINTER.			SPRING.			SUMMER.			AUTUMN.		
			Range of the Thermometer.			Q	c	0)	5	April May		01 c 3 >->	3 <->	be 3 «5	CO	o	> o
						39.67	33.42	39.39	41.77	47.72	61.76	73.85	75.41	76.58	68.64	55.99	45.03
						45.66	41.86	44.33	43.20	48.86 ■	59.43	70.10	74.57	74.84	69.30	58.04	51.51
West Point . . .	41° 22'	54.96	98	6	92	37.49			50.42			75.28			56.55		
Fort Trumbull .	41° 22'	56.89	86	18	68	43.95			50.50			73.20			59.63		
 
14
METEOROLOGICAL REGISTER.
  During the winter, the mean of the latter is 6.46 higher than the
former ; during the spring, it is 0.08 higher ; during  the  summer,
2.08 lower;  and during the autumn, 3.08 higher.  At West Point,
the range of the mercury is 24° greater than at Fort Trumbull.
  The Abstracts of 1829 next come under notice.  It will be seen
that the data of this year lead to the same unvarying conclusions
as in all former calculations.   See Table [I] p. 15.
  During the winter, the mean of  the E. is 7.55 higher than the
W.; during the spring, 5.41 lower;  during the  summer,  8.38
lower; and  during the autumn  0.33  higher.  On the ocean the
range of the thermometer is 28° less than in the opposite  locality.
  The meteorological report from Fort Brady being imperfect, the
usual  comparative views are precluded.   The establishment  of a
new post, however, at Houlton, in the interior of Maine, allows  a
more  extended inquiry into the system of climate peculiar to the
region lying between the sea-coast  and the Lakes.  The  following
posts  constitute the points of comparison :—
   Fort Preble, Maine    43° 38'    Hancock Barracks, Me. 46° 10'
     «« Constitution, N.  H. 43° 04'   West Point, N. York,  41° 22'

    Mean lat.         43° 21'                Mean lat. 43° 46'
                                     —See Table [K] p.  15.
  During the winter, the mean of the coast is 4.32 higher than the in-
terior; during the spring, 1.49 lower; during the summer, 0.90 lower;
and during the autumn, 1.73 higher. On comparing the posts  sepa-
rately, the difference between the summer and winter temperature
becomes more apparent.  Thus, at Hancock Barracks, it is 47.49,
and at Fort Preble 4J.66; and  at  West Point 41.14, and at Fort
Constitution 36.55.   The extremes of temperature are also indicated
by the range of the thermometer;  for, whilst  the thermometer at
Hancock Barracks  rises in the summer to 92°, and sinks in the
winter 24° below zero, it attains at the Atlantic posts but the  same
height, and sinks no lower than 6° minus 0.
   Lastly, the Abstracts of 1830, (which year constitutes the limit
of the present investigation,) come under review.   On a comparison
of the Atlantic region with the interior beyond the Lakes, using the
data  of the same posts as in  the preceding year, no variation  is
presented in the results.   See Table [L] p. 16.
   During the winter, the mean  of the E. is 3.23 higher than the
W.;  during  the spring,  5.60 lower;  during the  summer,  9.67
lower; and during the autumn, 3.01 lower.  At the west, the range
of the mercury is 14° greater; and, whilst the difference in the  mean
temperature of summer and winter is 53° 63', it is but 40.77 on the
Atlantic coast.
   Resuming the comparison  between  Forts Brady  and Snelling,
the deductions of former years are confirmed.  See Table [M]  p. 16. 
[  I  ]
PLACES
OBSERVATION.
sS
 Range of the


Thermometer.
39.60

29.84
22.59

20.86
21.72
9.96
31.06
31.21
43.96

48.88
56.46

67.62
63.58

73.88
66.85
4.30
65.72
73.11
55.40
60.35
48.37

52.62
38.36

28.47
Atlantic
43° 21'
45.71
92
 Interior remote
from lakes
lote )
43° 10'
47.59
96
-30
27.77
43.83
65.38
47.38
126
20.22
49.24
73.76
47.15
								[ K									
PLACES OF OBSERVATION.	3 a i-9	3 t. C 3 <! e a. 2 S	Range of the Thermometer.			WINTER.			SPRING.			SUMMER.			AUTUMN		
						n	e	.a fa	13	<	C3	c 3 ►"J	>> "3 <->	bo <	m	o 48.37	> o 38.3(i
						34.60 22.54 21.71			31.06	43.96	56.46	63.58	66.86	05.72	55.90		
						27.45 19.48 1M.99			30.06	45.52	00.37	65.68	66.29	66.90	54.95	47.68	34.32
	43° 21'	45.72	92	-6	98	26.29			43.83			65.39				47.38	
Interior, &c. . .	43° 46'	44.81	92	-21	116		21.97			45.32			66.29			45.65	
 
								[ I<	]								
!		ce a3 D »-B 3 ^H C P. a S	Range of the Thermometer.			WINTER.			SPRING.			SUMMER.			AUTUMN.		
PLACES OF OBSERVATION.	3 >3						c i-a	fa	IS	C <	>> to	c 3 1-5	>> 3	(A 1	D. 0> w	o	> o
						32.90	21.43	22.04	34.74	47.40	53.59	62.59	69.49	66.62	57.91	50.84	45.28
						21.01	18.82 26.99		37.59	53.89	61.04	71.29	81.51	74.90	60.78	55.87	46.39
	43° 21'	47.07	94	-16	110	25.46			45.24			66.23 '			51.34		
Interior remote ) from lakes . . . )	43° 10'	50.92	98 -26		124	22.27			50.84			75.90			54.35		
Oi
							[ M	]									
PLACES OF OBSERVATION.	a a	S3 e p.	Range of the Thermometer.		WINTER.			SPRING.			SUMMER.			AUTUMN.			
					6 o P	C3	J2 fa	C3 s	<	>>	3 3	>> "5 i-i	3 <!	Q. w	O j fc		
					24.60	13.19	18.67 j 27.92		46.18	48.48	59.35	71.00	6233	55.22	49.50	44.08	J
					15.64	14.18	23.60	34.00	51.77	59.70	70.31	81.66	73.21	58.70	54.74 142.79 I		
Fort Brady . . .	46° 39'	43.38	93	-26 Ill9	18.84			40.86			64.23			49.60			
Fort Snelling . .	44° 53'	48.60	94	-26 Il20	17.81			48.39			75.06			52.08 |			
w
M
O
53
HI 
REMARKS.
17
   During the winter, the mean of the former is 1.03 higher than
 the latter,—a  difference, which  would  be much increased  were
 November instead of February taken as  a winter  month; during
 the spring,  the mean is 7.53 lower; during the  summer, 10.83
 lower; and  during  the autumn, 2.48 lower. It thus  appears  that
 although Fort Brady, situated at the Sault St. Marie, near the outlet
 of Lake Superior, is 1° 46' north of Fort Snelling, at the junction
 of the St. Peter's  and the Mississippi, yet there is a  difference  of
 nearly 11° in their isotheral lines.
   Of the four subdivisions in the northern region of the United
 States, two are characterized as modified climates and two as ex-
 cessive.   With the view to test the accuracy of this proposition  in
 a general comparison, one  post  has been  so selected from  each
 system of climate, that the mean latitude shows a difference of but
 15'.  Thus,  the following stations constitute the points of compari-
 son in the subjoined  table:—

           Fort Brady, 46° 39'       Hancock Barracks, 46° 10'
            " Wolcot, 41° 30'         Fort  Armstrong, 41° 28'
             Mean  lat. 44° 04'             Mean lat.  43° 19'

                                       —See Table  [N] p. 18.

   During the winter, the mean of the former is 4.12 higher  than
 the latter; during the spring, it is  3.97 lower; during the summer,
 4.30 lower;  and during the autumn  there is but a fractional differ-
 ence.  Between winter and spring the modified  climate shows  a
 mean difference of 18.49, whilst that of the excessive climate rises
 to  26.52; and  between winter and  summer, it  is in the  former
 41.17  and in the latter 49.59.   The table indicates  little differ-
 ence in the extreme  range of  the thermometer; but, on   reference
 to Abstract No. XIII. for 1830, it will be found that Fort Armstrong,
 the most  southern post, exhibits the highest range.   This pheno-
 menon, which is owing to the circumstance that the position is far-
 thest removed from the agency of large  seas, shows that latitude
 alone constitutes a very uncertain index of the character of climate.
   The investigation of the northern division will be now concluded,
 by giving several abstracts, showing  the  mean result of the five
 years' observation.  The following table  affords a condensed view
 of all the  comparisons instituted  between  the sea-board and  the
 region beyond the  Lakes.   See Table [OJ p. 18.
  During the winter, the mean of  the former is 6.05 higher than
 that of the latter;  during the spring,  4.13 lower; during  the sum-
 mer,  8.71 lower;  and  during the autumn, 0.40 lower.   As  the
 winters are colder  and the summers warmer in the latter region, it
 is also shown that  the extreme range of the thermometer is 12°
greater.
2* 
								[ N	]								
CLIMATES or OBSERVATION.	B a	<§ c a K) S	Range of the Thermometer.			WINTER.				SPRING.		SUMMER.			AUTUMN.		
						G	c	.o fa	a	Q. <	>> a	3 3 <->	3	3	w	Oct. Nov.	
						31.13	21.33	23.10	32.91	46.36	51.71	61.60	70.67	65.28	57.98	51.96	45.05
						26.08	15.20	21.91	34.32	51.14	57.42	66.51	74.74	70.49	58.42 ,	52.25	44.07
	44° 04' 46.58 i		93	-26	119	25.18				43.67			66.35			51.66	
Excessive . . . ,	43° 49'	47.76	98	-24	122	21.06				47.60		70.65			51.57		
									[ o	]								
	TLACES OF OBSERVATION.	■^3 a c	J				WINTER.			SPRING.			SUMMER.			AUTUMN.		
			Mean Annu Temperatur	Range of the Thermometer			OI Q	c cd	J2 fa		<	a	c 3 i-l	3 >->	3 <	a, m	o O	> o
							33.20	24.18	26.45	34.21	44.76	55.37	63.26	68.96	67.43	59.85	50.42	39.73
							25.07	18.82	"21.78	34.20	48.05	64.49	75.04	76.81	73.92	60.85	52.92 i 37.43	
	Sea-coast ....	43° 18'	47.19	98	-24	122	27.94			44.78			66.55			50.00		
t	Region beyond I he lakes . . . *>	43° 10'	48.99	104	-30	134	21.89			48.91			75.26			50.40		
 
•  REMARKS.
19
   Deeming it unnecessary to give  the  course of the winds and
 other states of the weather for each year, an abstract for the whole
 period is now presented.*  See Table [P]  p. 20.
   The ratios between the seasons on the Atlantic coast and the in-
 terior remote from large bodies of water, based on five  years' ob-
 servation,  have  been  thus  reduced  to  numerical expressions.
 Although fair weather prevails in both regions, a marked difference
 obtains in  regard to the relative proportion.  On the  sea-coast,
. the annual ratio of fair days is 202, and in the opposite  locality
 240 ; the cloudy days are as 108  to 77 ; the  rainy days are as 45
 to 31 ; and those of snow are as 9 to  16.   These  ratios, far from
 being accidental, result  from  the operation  of  fixed  laws.  As the
 annual quantity of rain  depends upon the amount of evaporation, it
 increases,  as a general  rule, in proportion as the equator is ap-
 proached ; and in regard to the seasons, the greatest amount falls
 when the mean monthly temperature is highest.  As this augmented
 quantity in warm maritime countries  falls  at a particular season,
 and in a shorter space of time, than in colder regions, the  annual
 number of dry days, particularly in inland  districts, is proportion-
 ally increased.  On the contrary, in  the cold  or  temperate mari-
 time  localities now under  consideration,  different  results follow.
 Although much less in annual quantity than in warmer regions, the
 rain descends much more frequently, but in slighter showers ; and
 hence, a ready explanation is afforded of the fact,  that the number
 of wet and foggy days on the New England coast is one-half greater
 than in the dry and cold region beyond the Lakes.  Humboldt has
 given the following table as the proportional quantity of rain in dif-
 ferent latitudes:—

             Lat.                 Mean annual depth of rain.
              0     ...      96  inches
              19     .      .     .      80   "
             45     .     .     .      29   "
             69     .     .     .      17   "

    In regard to a particular locality, much  will also depend upon
 the prevailing winds; for it has been observed that the number of
 days in a year during which the winds blow from a  certain point
 of the compass, at a given place, preserves a constant ratio.   This
 follows from the fact that the force and direction  of winds depend
 on general causes, such as the declination  of  the  sun, the configu-
 ration of the coast, and the  position of neighbouring  continents.
 This fact is illustrated throughout the Abstracts generally.  By way
 of example, the results of three years' observation, at Fort  Gibson,
 are annexed.   See Table [Q] p. 20.

   * As the  proportion of winds  and weather, throughout all the Abstracts, is
 calculated for the average  of a month,, the  result for a year may be readily
 determined. 
						[ P	]								
PLACES OF OBSERVATION.	Mean Latitude.					WINDS.					WEATHER.				
		N.	N.W.	N.E.	E.	S.E.	s.	s.w.	w.	to c '3 >	Fair.	Cloudy.	Rain.	Snow.	Cub c >
		Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.		Days.	Days.	Days.	Days.	
Sea-coast........43° 18'		1.71	5.46	3.47	1.69	2.35	6.36	5.23	4.25	S.	16.89	9.09	3.77	0.79	Fair.
Region beyond the lakes	43° 10'	3.89	3.30	1.51	2.00	2.88	7.16	4.19	6.07	s.	120.04	6.46	2.60	1.30	Fair.
JO
o
					[	Q ]								.
FORT GIBSON.	WINDS.										WEATHER.			
	N.	N.W.	N.E.	E.	S.E.	s.	s.w.	W.	bo 'a >	Fair.	Cloudy.	Rain.	Snow.	he c '3 £
	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.		Days.	Days.	Days. Days.		
1828 1829 1830	2.08 2.67 1.75	3.25 3.08 3.08	1.67 4.83 4.92	1.50 1.58 2.83	20.42 13.50 15.00	0.50 1.17 0.83	1.00 2.58 1.42	0.08 1.00 0.58	S.E. S.E. S.E.	10.00 ': 18.92 | 19.17 1	9.25 1 2.08 | 0.17 6.67 4.50 j 0.18 6.67 4.17 0.42 | 1			1 Fair. | Fair. i Fair.
 
REMARKS.
21
   Comparing the seaboard with inland localities remote from Lakes,
the contrast in the seasons of winter, spring, and summer, is  very
remarkable; and the influence  of this difference  of climate  upon
the animal economy and the vegetable kingdom, is no less striking;
for, as Baron Humboldt remarks,—" a summer of uniform heat ex-
cites less the force of vegetation, than a great heat  preceded  by a
cold season."
   The following abstract furnishes a condensed view of the nume-
rical  results  obtained  from the  preceding  annual comparisons
between localities in the  interior,— the  one being  under, and the
other without, the equalizing influence of inland seas.  See Table [R]
p. 22.
   Fort Snelling, near the junction of the St. Peter's and the Missis-
sippi, constitutes the latter place of  observation, and the other
point is a  mean between Forts Brady and Mackinac, the former
situated near the outlet of Lake Superior and the latter on the island
of Mackinac.   Three years' observations  were  made  at the
former and  one at the latter.   Although  the   latitude on the
Lake is 1° 34' north of  the other, and presents  a  mean  annual
temperature 4.25 lower, yet the mean winter temperature is 2.54
higher; during  the spring, the mean  temperature is  6.65 lower;
during the summer, it is 10.40 lower; and  during  the autumn, 2.04
lower.  These ratios show a contrast in the seasons no less strik-
ing than that exhibited  on a comparison  with the  Atlantic coast.
No objection can be urged against this comparative view on the
ground of relative elevation, as Fort Brady is 595 feet, and  Fort
Mackinac  728 feet,* and  Fort  Snelling 780 feet  above  the  level
of tide water.
   The following tabular statement of the course of the winds and
the state of weather, based on the same years of observation as the
abstract just given,  will determine whether the agency of the Lakes
induces the same meteorological relations, in  this respect, as the
ocean.  See Table [S] p.  22.
   On the Lakes, the annual ratio of fair days is 117,  and in the
opposite locality, 215 ;  the cloudy days areas 127  to 73  ; the rainy,
as 63 to 46 ; and the snowy as 45 to 29.   In  the former, the, pre-
vailing weather  is cloudy, and in the latter it is fair.  The ratio of
cloudy days is  even higher on the Lakes than on the Atlantic coast.
As it is of great importance to determine the annual quantity of
rain which falls on any point of the earth's surface, it is much  to be
regretted that more  extensive observations have not been made at
these posts on  the pluviometer, f

     * Fort Mackinac is elevated 150 feet above the surface of the Lake.
     f Vide Note at end of " Remarks." 
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REMARKS.
23
  The meteorological phenomena  of  Canada, Nova Scotia, New
Brunswick, and Newfoundland, according to the observations of
the British Army Surgeons, are in  perfect harmony with the laws
just illustrated.   In Canada, the climate exhibits such sudden alter-
nations of  temperature that the  mercury at Quebec has  been
known to fall 70° in the course of 12 hours.  Cold weather sets in
as early as November, from the end of which  month till May the
ground remains covered with snow  to the depth  of three or four feet.
When the winds blow with violence from the North-east,  the  cold
become so excessively intense, that the mercury congealed  in the
thermometer serves no longer to indicate the reduction of tempe-
rature.   During  winter, the  general  range  is from the  freezing
point to 30° below zero.  The seasons do not,  as in  more tempe-
rate regions, glide imperceptibly into  each  other.  In June, July,
and August, the heat, which often attains 95° of Fah., is frequently
as oppressive as in the West Indies.
   The climate of Nova Scotia, although in similar  latitudes, ex-
hibits a striking  contrast to that of Canada.  The  temperature is
not only modified by its insular position, but the interior of the pen-
insula " is so much intersected by  lakes and  bays, that nearly one-
third of its  surface is under water."   The thermometer seldom
rises above  88° in summer, or  sinks  lower  than 6° or 8° below
zero in winter.   Were it practicable to obtain  the requisite data, it
would be interesting to institute a comparison between the seasons
of this region and those of Canada.
   The  climate of Newfoundland is similar to that of Nova Scotia.
The summers, however, owing to  the meeting of the icebergs on
the coast, are less warm, of shorter duration, and subject  to  more
sudden  vicissitudes.
   Having illustrated rather minutely the several systems of climate
pertaining to the northern division, the necessity of similar details
in  reference to the other two  divisions is  superseded.  It  is the
more unnecessary, as Abstracts A, B, C, appended to these " Re-
marks," will enable one at a glance to trace out the meteorological
relations of any region of  the  United States.  The first exhibits
the mean temperature of each month, each season and the whole
vear; the second shows the difference between the mean tempera-
ture of each month and season ; and the third contains the annual
and monthly ranges of temperature.   It will  be found that the same
laws prevail in the middle region of the  United  States as  in the
northern, viz., that the seasons grow less uniform in proportion as
we recede from  the sea-coast.  Thus, Washington City and For-
tress Monroe, on the one hand, show  less difference between the
mean temperature of summer and  winter than  Jefferson Barracks
and Fort  Gibson  on the other;   and in  examining the annual
range of the thermometer and  the mean of the  monthly ranges,
similar contrasts are  revealed.  No  reference was made to the
latter  mode of comparison  in investigating the four systems of
climate of the northern division.  On applying the rule, however, it 
24      •         METEOROLOGICAL REGISTER.

will be found that every principle in relation to modified and ex-
cessive  climates is  happily confirmed.   On  approaching  the
southern coast, climate undergoes  a  striking modification.   The
seasons glide  imperceptibly into  each other, exhibiting no  great
extremes;  thus,  at Fort Snelling the difference between  the  mean
temperature of the warmest and coldest month is 61° 18', whilst at
Cantonment Brooke,  it is no  more than 17° 68'.  The Peninsula of
Florida, however, is  wholly peculiar in this respect; the course of
vegetable life is unceasing: wild flowers spring up and flourish  in
the month of January ; and so little  is  the temperature of the lakes
and  rivers  diminished  during the winter  months, that  one  may
almost at any time bathe in their waters.
   The most prominent features  of  climate  exhibited throughout
the United  States have thus been referred to in a general way.  As
these systems of climate consist  of  numerous  subdivisions, which
can  be determined only  by observation,  a  comparative view  of
them  remains a desideratum ; but the hope may be indulged, from
present indications, that materials will  in a few years be furnished
for the composition of a complete  meteorological  chart, in which
they may be systematically arranged.
   The following tabular statement shows the mean annual tempe-
rature of various places, and the number of years upon which the
results are  based, with their locality, latitude, longitude, and height
above the level of the sea.  The table  extends over a  period of
eleven years, but it does not perhaps embrace a moiety of  the re-
sults that,  may be obtained from the  observations of the  same
period.  The elevation of some interior posts above  tide-water,
could not  be ascertained, whilst  the heights of those  given are
merely approximations:— 
^REMARKS.

    [  T  ]
25
No.
PLACES
OBSERVATION.
POSITION.
Lat.
Long.
46°39'
46 10
45 51
44 53
44 44
44 41
44 40

43 57
43 38
43 15
43 03
42 22
41 30
41 28
 1  Fort Brady (outlet of L. Superior)
(2)  Hancock Barracks {Me.)
 2  Fort Mackinac {Isle of Mackinaw)
 3   „  Snelling  {near the junction of
          St. Peter's and Mississippi)
 4   „  Sullivan {Eastport, Me.)
 5  Plattsburgh {L. Champlain)
 6  Fort Howard {Green Bay)
    Madison Barracks, Sackett's Harbour
          {L. Ontario)
 8  Fort Preble {Portland, Me.)
 9   „  Niagara {Youngstown, N. Y.)
 10   „  Constitution {Portsmouth, N.II.) 43
 11   „  Crawford  {Prairie  du  Chien,
           JVi.'-con.)
 12   ,,   Independence {Boston)
 13   „  Wolcott {Newport, B. I.)
 14   ,,   Armstrong {BoGk Island, III.)
 15  Council Bluffs  {near the junction of
          Platte and Missouri)
 16  West Point {N. Y.)
 17  Fort Trumbull {N. London, Con.)
 18   „  Columbus {N. Y. Harbour)
 19  Alleghany Arsenal {Pittsburgh)
 20  Fort Mifflin {near Philadelphia)
 21   ,,  Delaware {near New Castle)
 22   „  Severn {Annapolis, Md.)
 23  Washington {D. C.)
 24  Fort Washington {Md.)
 25  Jefferson Barracks {Mo.)
 26  JF's Monroe {Old Point Comfort, Fa.)
 27  Fort Norfolk {Va.)
 28   „  Gibson {Arkansas.)
 29   ,,  Johnston  {Coast of N. C.)
 30  [Augusta Arsenal {Ga.)
 31  'Fort Moultrie {Charleston Harbour)
 32   ,,  Jesup {near Sabine Biver, La.)
 33  Cantonment Montpelier {Ala.)
 31  Fort Scott {Ga.)
 35  Fcrnandina {Amelia Island)
 36  Baton Rouge {La.)
 37  Canton. Clinch {near Pensacola)
 38  Petite Coquille (near N. Orleans)
 39  Fort Gadsden (Fl.)
 40  New Orleans (La.)
 41  Fort Marion {St Augustine, Fl.)
 42   „  St. Philip (La.)
 43  Cant.  Brooke {Tampa Bay, Fl.)
40 42
40 26
39 51
39 35
38 58
38 53
38 41
38 28
37 02
36 51
35 47
34 00
33 28
32 42
31 30
31 11
30 49
30 40
30 26
30 24
30 10
29 56
29 57
29 50
29 29
27 57
84°43'
67 50
85 05

93 08
67 04
73 26
87 00

76 04
70 18
79 05
70 49

90 53
71 02
71 18
90 33

96 00
73 57
72 05
74 02
80 02
75 12
75 29
76 27
76 55
76 58
90 08
76 12
76 11
95 10
78 05
81 53
79 56
93 47
87 57
84 47
81 37
91 18
87 14
89 38
85 05
90 14
81 27
89 71
82 35*
No.oift.
ab'e the
level of
ocean.
595

728

780


600

250

250


580
500
704
No. of
years of
observ.
 6
 2
 2

10
 5
 1
 9

 1
 5
 2
 4

 4
 1
10
 4

 6
 4
 2
 9
 1
 2
 1
 2
 8
 1
 4
 5
 1
 S
 7
 5
 3
 8
 1
 1
 2
 1
 7
 4
 1
 1
 4
 1
 5
Mean
annual
temp.
41°89'
41 21
40 56

45 34
42 97
47 01
44 93

48 60
46 34
51 69
47 21

45 65
46 24
50 55
51 63

50 50
52 47
55 00
53 00
53 69
55 28
56 71
56 40
56 57
58 02
58 14
61 43
63 28
62 90
66 89
66 01
64 49
67 94
67 47
68 54
70 06
68 07
69 44
71 25
69 54
72 36
72 49
70 45
72 80
  * These degrees of latitude and longitude are in most cases merely approxi-
mations. 
26               METEOROLOGICAL REGISTER.
  A reference to abstracts A, B, C, giving the ratios of the mean
temperature of months and seasons, and to the tables comparative
of positions on the Atlantic, the  Lakes, and  in the interior remote
from such agencies, will illustrate pretty fully the diversities of our
climate.
  Altho.ugh the extremes of annual temperature may occur at our
most northern and southern posts, yet we do not there find the ex-
tremes of heat and cold. The tabular statement exhibiting the hottest
and coldest day in each year, from 1820 to 1830, inclusive, given be-
low, establishes this position.  See table [ U ] p. 27.  As the western
posts, Snelling, Gibson, Council Bluffs, &c, remote from inland seas,
are remarkable for extremes of winter and summer, so do they exhi-
bit the hottest and coldest days and the greatest range of the thermo-
meter.  Forts Brady and Mackinac, the  most northern  stations,
show, by a lesser range of the thermometer, the equalizing influence
of the Lakes; whilst  the Atlantic posts illustrate  the controlling
power of the ocean.  In elucidation of the same law, we find that
the mean summer temperature  is greater at Augusta, Ga., than at
St. Augustine or  Tampa Bay, Florida.   A  reference to  the sub-
joined tabular review,  and  to  Abstracts  A, B, C, showing the
numerical ratios of the mean temperature of each month and season,
and the annual and monthly ranges of  temperature, will  exhibit in
strong contrast the diversities in these particular systems of climate.
In Africa, the mercury is sometimes seen at 125°, and in British
India it is said to have been as  high  as 130°.  In the table of the
highest temperature observed in different climates, as given by M.
Arago, it is noted at 130° in the Oasis  of Mourzouk.  In our own
Diaries, it is marked  at 116°,  on the  15th August, 1834, at Fort
Gibson.*   As  no  register-thermometers  have been used at our
posts, the range throughout the 24 hours may be greater than that
given in the Diaries.   The interor  posts remote from Lakes, are
denoted in the subjoined table [ U ] by  an asterisk ; whilst those
on lakes, or the sea-board and its vicinity, are without any sign.
   This table confirms the position  that  extremes of temperature
are found as we approach the interior of a continent, unless  modi-
fied by  inland seas.  Even along our southern coast the extreme
of heat is less than  on our more northern  sea-board.  The United
States, it has been  seen, present numerous systems of climate in
which the division of the annual heat among the  different seasons
exhibits remarkable diversity.
* According to Assistant Surgeon J. B. J. Wright. 
t  u  ]
PLACES j			,	PLACES				PLACES			
OF	Lat.	Lowest degree.	Highest degree.	OF	Lat.	Lowest degree.	Highest degree.	OF	Lat.	Lowest degree.	Highest degree.
OBSERVATION.		!		OBSERVATION.				OBSERVATION.			
1820.				Portland {Me.)	43°38'	-10	96	Eastport {Me.)	44044/	-19	86
*Fort Snelling	44°53'	-30	93	Portsmouth {N. H.)	43 04	-7	86	*Prairiedu Chien	43 03	-28	96
Portsmouth (N. H.)	43 01	-3	94	+Prairie du Chien	43 03	-22	94	Boston Harbour	42 22	-8	90
*Prairie du Chien ( Wi.)	43 03	-23	99	*Fort Armstrong (///.)	41 28	-15	94	•Council Bluffs	41 25	-21	103
Boston Harbour	42 22	-1	98	Boston Harbour	42 22	-7	92	N. York Harbour V	40 42	2	96
♦Council Bluffs	41 25	-22	105	*Council Bluffs	41 25	-17	108	Charleston Harbour	32 42	24	91
New London {Con.)	41 22	8	88	Fort Johnston {N. C.)	34 00	26	90	Cant. Clinch («V Pens.)	30 24	24	95
Fort Johnston (N. C.)	34 00	28	90	Cant. Clinch (nV Pens.)	30 24	20	93				
New Orleans	29 57	35	92					1825.			
1821. Tort Snelling Portland {Me.) Portsmouth (N. H.) ♦Prairie du Chien {Wi.) Boston Harbour *Fort Armstrong {HI.) *Council Bluffs	44 53 43 38 43 04 43 03 42 22 41 28 41 25	-32 -18 -12 -36 -10 -28 -13	92 94 90 91 99 94 100	1823. Fort Brady ♦Fort Howard {Wis.) Eastport (.We.) Boston Harbour ♦Council Bluffs N. York Harbour Charleston Harbour Cant. Clinch (n'rPens.)	46 39 44 40 44 44 42 22 41 25 40 42 32 42 30 24	-30 -38 -10 -3 -16 3 19 11	90 100 90 97 102 91 89 94	Fort Brady Eastport {Me.) ♦Fort Howard Boston Harbour ♦Council Bluffs N. York Harbour Charleston Harbour St. Augustine	46 39 44 44 44 40 42 22 41 25 40 42 32 42 29 50	-21 -5 -25 -5 -11 -3 28 42	89 94 100 98 102 104 94 94
Fort Johnston {N. C.)	34 00	30	89								
Fort St. Philip (La.)	29 29	32	92	1824.				1826.			
1822.				Fort B.rady	46 39	-33	84	Fort Brady	46 39	-37	—
*Fort Snelling	44 53	-29	92	*Fort Snelling	44 53	-27		♦Fort Mackinac	45 51	-31	82
it/^Eastport is north of Fort Howard.              (KrBoston is north of Fort Howard. 
PLACES			
OF	Lat.	Lowest degree.	Highest degree.
OBSERVATION.			
*Fort Snelling	44°53'	-23	92
Eastport	44.44	-24	98
*Fort Howard	44 40	-30	100
Boston Harbour	42 22	-10	98
*Fort Armstrong	41 28	-18	90
•Council Bluffs	41 25	-1G	104
N. York Harbour	40 42	1	97
Fort Johnston	34 00	28	86
Tampa Bay {Fl.)	27 57	28	92
1827.			
*Fort Snelling	44 53	-22	96
Eastport	44 44	-4	89
*Sackett's Harbour	43 57	-27	82
Boston Harbour	42 22	-7	94
*Fort Armstrong	41 28	-6	94
"Council Bluffs	41 25	-12	—
*West Point	41 22	-10	101
N. York Harbour	40 42	0	96
♦Augusta {Ga.)	33 28	26	102
Charleston Harbour	32 42	16	89
Tampa Bay	27 57	26	94
Tabic  [  U  ]  continued.
Ke
00
PLACES
OBSERVATION.
        1828.
Fort Brady
*Fort Snelling
Eastport
*Prairie du Chien
Boston Harbour
N. York Harbour
* Jefferson Barracks
*Fort Gibson
Fort Johnston
Tampa Bay
        1829.
*Hancock Barracks
*Fort Snelling
Eastport  -
*Fort Howard
Boston Harbour
*Fort Armstrong
N. York Harbour
*Fort Leavenworth
Lowest
degree.
Highest
degree.
46°39'	
44	53
44	44
43	03
42	22
40	42
38	28
35	30
34	00
27 57	
46	10
44	53
44	44
44	40
42	22
41	28
40	42
39	25
-20
-22
-10
-11
  3
  9
 10
 19
 42
 50
-24
-30
-16
-32
 -4
-16
  7
-22
 91
 92
 85
 97
 94
 90
100
101
 86
 94
92
90
82
92
88
96
95
95
PLACES
OBSERVATION.
Lowest
degree.
*Jefferson Barracks
*Fort Gibson
Fort Johnston
Charleston Harbour
Tampa Bay
38°28'
35 30
34 00
32 42
27 57
        1830.
Fort Brady          46 39
*Fort Snelling        44 53
Eastport            44 44
*Fort Howard        44 40
*Prairie du Chien    43 03
Boston Harbour      42 22
*Fort Armstrong     41 28
N. York Harbour    40 42
♦Council Bluffs      41 25
Fort Severn {Annapolis) 38  58
♦Jefferson Barracks   |38  28
*Fort Gibson         35 30
Charleston Harbour   32 42
Tampa Bay          27 57
 1
 0
21
22
28
-26
-26
-14
-26
-23
 -4
-24
   5

  10
  -5
   3
  20
  30
Jy^Council Bluffs is north of New York. 
METEOROLOGICAL REGISTER.
3* 
METEOROLOGlUAL.  KEUISTISK  r'OK 18540.
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PLACES OF OBSERVATION.					Fort Mackinac Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Delaware Washington city Fortress Monroe Fort Johnston Augusta Arsl. Canton. Jesup Canton. Clinch New Orleans St. Augustine Canton. Brooke
 
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REGISTER FOR 1826.
33

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PLACES OP OBSERVATION.					Fort Mackinac Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Delaware Washington city Fortress Monroe Fort Johnston Augusta Arsl. Canton. Jesup Canton. Clinch New Orleans St. Augustine Canton. Brooke
 
34
METEOROLOGICAL kuuistek run jo*o.
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Fort Mackinac Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Delaware Washington city Fortress Monroe Fort Johnston Augusta Arsl. Canton. Jesup Canton. Clinch New Orleans St. Augustine Canton. Brooke	PLACES OP OBSERVATION.				
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S8         '9Z8i hoj aaj,sioaa ivoiooioaoajLaw 
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PLACES OF OBSERVATION.					Fort Mackinac Fort Snelling Fort Sullivan Fort Howard Fort Wolc-ott Council Bluffs Fort Columbus Fort Delaware Washington city Fortress Monroe Fort Johnston Augusta Arsl. Canton. Jesup Canton. Clinch New Orleans St. Augustine Canton. Brooke
					
 

ICSEEOROLOGICAL  REGISTER FOR  1826.
37
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METEOROLOGICAL REGISTER FOR 1826.           39
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PLACES OF OBSERVATION.					Fort Mackinac Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Delaware Washington city Fortress Monroe Fort Johnston Augusta Arsl. Canton. Jesup Canton. Clinch New Orleans St. Augustine Canton. Brooke
 
METEOROLOGICAL REGISTER FOR 1826.
					
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**
Fort Mackinac Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Delaware Washington city Fortress Monroe Fort Johnston Augusta Arsl. Canton. Jesup Canton. Clinch New Orleans St. Augustine Canton. Brooke	FLACES OF OBSERVATION.				-3 as w o w H W PS
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If-
•9Z8i noa Haxsioa? 
No.  XIII.
MEAN OF THE OBSERVATIONS FOR 1826.
to
PLACES			THERMOMETER.							WINDS.									WEATHER.				
																							
			Mean Temperature.			u																	
						1-				\	N W.	NE	E	S E		S W	W.			Cl'dy.	Rain.	Snow	
OBSERVATION.	•a 3 Hi	T3 a a ,3	A.M.	P.M.	P.M.	5. eo © a cd eo	60 T3 Ja 60 X	60 "O <U is o	6D a cd Fh									Prevailing.					bb a 1
										Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.		Days.	Days.	Days.	Days.	
			VII.	II.	IX.																		
Fort Mackinac, 15.51		85.05	38.96	45.35	40.71	41.67	84	-17	101	3.91	3.08	2.58	4.58	1.91	5.25	2.50	6.58	W.	11.58	8.33	6.66	3.83	Cl'dy.
Fort Snelling	11.53 93.08		40.40	52.08	42.09	44.86	92	-23	115	0.33	2.75	.	1.42	3.50	4.00	8.33	10.08	W.	17.08	5.25	5.33	2.75	Fair.
Fort Sullivan	44.44 07.04 40.75			52.77	41.44	44.98	98	-24	122	2.33	5.58	2.25	2.00	1.16	' 7.83	5.25	4.00	s.	17.00	10.50	2.08	0.83	
Fort Howard	44.40 87.00		3S.44	54.35	42.60	45.13	100	-32	132	0.83	3.00	6.50	1.93 0.6S		1.00	12.25	4.25	s.w.	16.41	10.33	2.25	1.42	
Fort Wolcoit	41.30 71.18		47.99	55.42	50.76	51.39	85	2	83	1.42	6.42	5.42	0.25	3.83	0.17	12.08	0.83	s.w.	13.08	8.00	8.00	1.42	Cl'dy.!
Council Bluffs 41.25 95.43			43.84	62.74	48.84	51.80	104	-16	120	9.33	4.08	1.42	0.75	2.42	10.66	1.00	0.75	s.	18.08	10.25	1.42	0.06 Fair. \	
FortCoIuinbus'40.42 74.02			48.40	58.48	50.56	52.48	97	-1	98	1.25	7.83	3.42	2.25	3.25	3.92	5.66	2.83	N.W.	18.25	4.58	6.25	1.33	
Fort Delaware 39.35 75.29 53.10				62.23	54.82	56.71	94	8	86	0.42	6.83	3.25	0.75	5.33	1.83	10.25	1.75	S.W.	17.66	5.42	6.42	0.75	
Washing'n c'y 38.53 76.55			51.23	65.78	57.15	58.02	96	0	96	1.58	8.00	7.25	0.25	2.75	2.58	7.00	1.16	N.W.	17.33	8.50	5.00	0.50	
Fort.'s Monroe 37.02 .76.12			59.24	65.35	61.65	62.08	92	12	80	2.42	3.08	3.83	3.50	7.00	1.83	5.83	2.92	S.E.	117.75	6.16 G.33		0.16	
Fort Johnston	34.00 78.05		65.30	70.73	68.18	68.07	88	28	60	7.50	3.83	1.58	1.66	1.42	8.58	2.75	3.08	S.	21.00	5.16 4.25		-	
Augusta Arsl.	33.28 81.53		63.16	71.79	67.60	67.52	94	26	68|	1.16	3.00	2.47	3.83	3.58	4.25	8.33	3.83	S.W.	16.75	6.92	6.67	0.33	
Cant. Jesup	31.30 93.47		63.67 75.24		68.20	69.04	100	14	86' 3.33		4.66	5.91 3.58		5.83	3.25	2.83	1.00	N.E.	20.16	3.33	6.75	0.16	n
Cant. Clinch	30.24 87.14 65.60 74.57 69.60					69.92	93	23	70	0.41	7.58	2.41	0.41	5.66	3.83	9.75	0.33	S.W.	19.91	1.16	9.16	0.16	ij
New Orleans	29.57 90.141 68.60 .77.25 71.22					72.36	96	25	71	6.41	1.91	3.75	5.91	3.58	3.08	2.00	3.75	N.	17.66	11.41	1.33	-	»
St.Augustinc {29.50 81.27			72.43 76.09		73.23	73.91	92	33	59	1.27	3.36	13.36	0.45	5.36	0.73	3.72	2.00	N.E.	21.72	4.63	4.00	-	
Cant. Brooke 127.57 82.35 | i			68.73 80.97 1		70.24	73.31	92	28	64	0.08	3.25	2.66	5.58	3.59	3.75	5.58	5.91	W.	23.08	0.91	6.33	0.8	
 
Fort Brady Fort Snelling Fort Howard Fort Preble Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jefferson Barracks Fortress Monroe Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coijuille Canton. Brooke		O cd Ul a pa <i > ►j o 2!	o 4(	> o H m	
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** 
Fort Brady Fort Snelling Fort Howard Fort Preble Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jefferson Barracks Fortress Monroe Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille Canton. Brooke	PLACES or OBSERVATION.				
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SF      -A281 aoa SMOixvAaasacLamLooioHoaj.aw 
METEOROLOGICAL REGISTER FOR 1827
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PLACES OP OBSERVATION.					Fort Brady Fort Snelling Fort Howard Fort Preble Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull t Fort Columbus 1 Washington city | Jefferson Barracks Fortress Monroe Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille Canton. Brooke
 
METEOKoCWBlCAL REGISTER FOR 1827.
47
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5 
Fort Brady Fort Sneliing Fort Howard 1 Fort Preble F't Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jefferson Bar'ks Fortress Monroe Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille Canton. Brooke	PLACES OF OBSERVATION.				
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•isai aoa aaj.sioaa ivoiooiOHoaiLaw 
Fort Brady Fort Sneliing Fort Howard Fort Preble FortConstitu'on Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jefferson Barks Fortress Monroe Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille Canton. Brooke	OF OBSERVATION.			►fl r p» n M	-
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53
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•AS8i aoa aaj.sioaa ivoiopioaoajLaw 
No.  X.
PLACES OP			THERMOMETER				
	Mean Temperature.			CO 3	4*		
							
OBSERVATION.	A.M.	P.M.	P.M.	bog. t. g	bo	eo tH bfi eo ■a CO	
							
				ct)	.fl	>	a
	VII.	, II.	IX.	s	X	HH	tf
Fort Brady	40.74	51.42	43.19	45.12	68	23	45
1 Fort Snelling	42.00	58.19	47.58	49.26	82	26	56
Fort Howard	39.64	56.71	44.51	46.95	80	20	60
Fort Preble	45.80	56.74	49.06	50.53	71	31	40
F't Constitution	47.29	56.62	50.29	51.40	70	32	38
1 Fort Woleott	52.87	60.29	55.03	56.06	70	34	36
Fort Armstrong	46.12	60.51	50.16	52.26	78	20	58
West Point	50.35	60.45	52.54	54.45	74	34	40
Fort Trumbull	55.03	60.61	58.S3	58.16	68	40	28
Fort Columbus	52.00	60.09	55.61	55.90	71	34	37
Washington city	53.67	63.54	58.03	58.41	77	36	41
Jefferson Bar'ks	54.87	63.38 58.70		58.98	80	36	44
Fortress Monroe	58.16	66.74 : 63.48		62.79	77	39	38
Augusta Arsl. i	60.09	73.70	6619	66.66	92	39	53
Canton. Jesup j	60.09	74.35	67.06	67.17	90	40	50
Canton. Clinch	63.25	73.77	(59.96	68.99	85	47	38
Petite Coquille	62.83	75.22	69.51	69.19	88	46	42
Canton. Brooke	69.87	83.35	71,16	74.79	88	54	34
OCTOBER.
*0
WINDS.
N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.
Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.
1	11	4		8	2	4	1
.	1	.	2	1	2	14	11
7	4	3	-	-	14	. '	3
-	7	-	3	5	3	9	4
1	7	6	-	1	8	5	3
7	5	3	.	1	9,	9	4
5	5	4	2	1	6	5	3
4	11	4	2	2	5	1	2
2	3	7	-	2	6	8	3
8	5	8	-	2	5	2	1
5	/	1	1	4	5	5	3
5	9	-	.	2	4	3	8
7	5	6	3	5		5	.
5	5	3	3	3	3	6	3
.	8	7	2	8	9	3	1
7	5	3	1	5	9	5	3
1	3	7	9	2	3	4	2
-	1	■	■	5	4	2	19
N.W.
S.W.
  S.
S.W.
 s.
s.w.
  N.
N.W.
S.W.
 N.
N.W.
 W.
  N.
S.W.
N.W.
  N.
  E.
 W.
WEATHER.
Fair.
Cl'dy.
Days.
 6
24
23
19
19
12
27
17
15
16
11
14
16
23
25
24
27
25
Rain.
Days.
18
 3
 7
 8
 9
10
 4
10
 6
15
 9
12
 8
 3
 4
  1
 3
 4
 4
 1
 4
 3
 9

 4
10

11
 5
 7
 5
 2
 6
 1
 6
Snow.
Days.
Cl'dy.
Fair.
Cl'dy.
 Fair.

Cl'dy.
Fair.

Cl'dy.
 Fair. 
*s
Fort Brady Fort Snelling Fort Howard Fort Preble F't Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Colutnbus Washington city Jefferson Barracks Fortress Monroe Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille Canton. Brooke		OF OBSERVATION.	F > O PI CC	
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85
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Fort Brady Fort Snelling Fort Howard Fort Preble Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jefferson Barracks Fortress Monroe Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille Canton. Brooke	PLACES OF OBSERVATION.				
coco^^--g5Cn<j^HooT*^co©cocc^© oo co & S § 8 ^ i? X " = '^ f- «• => b " ^°	<	>		2 p 3 A 3 •a ra »H P • c ra	S3 H W 2 O S H •-3 H ffl
^§S^SS'^^:r0*kWWWWC0tOi-'tO .i°r"?*'0'wcioiw<i-j^((Ci- cn co co co ^ cc cn co to © -j to © t-i cn ^r co © cn ^ cn	X	►fl k			
SSS^SS^^^Wi^WtOCOtOtO — K-tO ^CO<NJOj©w-i<|oCOlO<\C><lCn'X<!Vli-'© fe^J^^^bcc^Jtb^^wc—^Jcbbco© cn-^oj"-4co©co4-to©©co©^co«ti.©i—i	X	•a k			
°59'?5a3';^cnco*>coji.coM>cotototoi-ito ^-lt^tO^!»-lpCOt-cOtO*»-^J©CO<l©CO© © "^ © © ^ 00 © onft^^^j^j^^j^V,^ tO*^©Cn©©^otciy-h|i.cn*>.Cn<NCii^.tOH-cO	Aggregate Mean Temperature.				
0DO0-j-^JM©©©j^C)icncncncn4i*>.coco ©tOQOOOCOCn*kCnCD*kOO©OOCO©COCOOO	Highest degree.				
1 *-^ co co co co to to i-i to i-i i-h i-i i i i-> i i^HHit^toi-'*»toi-'<ico©©toco©^ii^.cn	Lowest degree.				
to*».*».*kkt>-co*-ite.coco>b-*».iekCn*kCn*».^. ©hh.^.05001—'tO*».l—il—'SO©©©© OIN CO	Range.				
i K)m , to to cn , tOCnMtO©tOCO<«tOh-	O p -*•		<z		WINDS.
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•z,z8i aoa aaxsioaa ivoiooioaoai.aw 
Fort Brady Fort Snelling Fort Howard Fort Preble F't Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jeffersou Bar'ks Fortress Monroe Augusta Arsl. ' Canton. Jesup Canton. Clinch Petite Coquille Canton. Brooke	PLACES OP OBSERVATION.				
tOCOCOCOCOCOiiCi4-X^J-i-4H.J».*.*k*^>6>. <1 © p -h Oi M X X p — h-i -- — CO CO *■ f»- ©0 cn i-e to co io © to ** *. Jo io to ci o co i». cn co •^1 © ** © 00 (C "/, i— JO tO (O oc © *». OC © CO CO .	Latitude.				
OD OC OD CO 0C <» CO ^1 ^) M ^( CO V| <1 ^1 rx CO oc to CO --J Oi ;—' © © © >u to CO © ;— © © <l CO **0 coco"^cn — ©cn©©c.'co^-iuh-ico6r; c oo #* m ci to x cn to ci <» ci oc co oc © oo co -»	Longitude.				
©©©©©cncncn>^..*i.>6.>t».>u.fe.>t*co*.co cocn©co^cn*>-coooco^i<»©co^-ico — <i © CO J-i CO tO '<f- *»• tO — ex © OC tO © i*. CO tO CO 0DCOtO©O0C0tO(OC0OlCO©OlCiC00D0L<»	«3	> k		Mean Temperature.	B w S o H W
ao<l<J<J<!©©©cncncnoncncncncncn.fe. ^©^cnco^wico^cnooMco>-4Cocncopo co "co to i*. io lo ©. © io lu bo ex "cc CO © CO *»■ cn vj<j©o:to^HH-^}k_,c5coi^^©cn^iji.tO	ti-	k			
<J©<l©©©Cncncncn4i-it^*.>fe-*^*kifc-C0 ^cocpocno-vjgipcococoooife.cotocopo ^'^cnioco^^©©co©6ocotoco©cncn COtOOOCn*».-KjOfjcn©CO©©©©l—i^IOC*'	ps				
■^^•^OlOlOCiOlClOiClOl*.*'.^^^*' ]*>■©© co pip.>t- co — h- co © cn cn © — j- M co to bo co io OD <l M © bo <i to CO © — *>■ COCOtOtO— <J<»>(>.<»©©COC0tOC0©©©	Ascregate Mean Temperature.				
COCOCOCO©COCOCOCOX©COODCOCOCOCOOD **CntOCntO*>-^ao©'XHni*»-©tOCnOD©4i.	Highest degree.				
1 111 to to to to iO l-i i-i 1 1 1 1 1-HOtO ©C0Ji.*>.©C000C0©©O©»00D0D©t0©	Lowest degree.				
a^aM^woooocoocMooooOMMO OOtOOOl—©f— ©CO©00l— ©00©CO*^X*»	Range.				
© — CO h- totoco^coto*>.cototptoto— © W©Cni^©©i>0^^©cnbDCO©iui».oo<» cn©©cnoo©cncncnoo©coco©totococn	C p		S5		3 ex
j-i co co *^ to co *. co m *. oo cn co ^i cn to to co © 'co"— bo cn © co © cn © to *^ cn — k- — oo lb. ~JCO©C000©tO©©MG'<.OOD©<J^10Oi—	a p		2 '$		
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cn^cnoo^cnco^cnco^totoh-icopto© bo © cn *- — co^"©©tobo©tOHH-^boiii-H co^ioo^»<»coto©aocncoaocn^icncoto©			CO w		
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tOtO-H_. j^,_i o\M cocototop^-cococoto i* o o — in © i*. © —iboiNObocoii.©©*.^ to©oo^»©<ito©^icocncototo<»©to-J	o p		3'		
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co»-i©«q«jcn*»-©>u ©**>-i ©to to ©co*». cn^©co©cnbowoDtococncocobDcb'cocn occnoocooooDcocncocncootococototo©	p		£ 5'		
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ss         #-t«58i aoa aaj.sioaa liaiaoioaoaxaw 
METEOROLOGICAL  REGISTER  FOR  1828.
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ooao"<!^ioo~joo<ico<i tocoocntocotoi-n©©	-^©00-^mwcn^CnCn ©tf*»Ol£.i-'©lf*-©©GO	Highest			degree.		
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65                 8S8i  aoa aajbsioan  rmajjaaaoHoaxaw 
Fort Brady Fort Snelling Fort Howard Fort Preble Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille St. Augustine Canton. Brooke		C cc <T t? SB < > c 2		PLACES OP	
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09 
METEOROLOGICAL REGISTER FOR 1828.          61
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PLACES OF OBSERVATION.					I ort Brady Fort Snelling Fort Howard Fort Preble Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille St. Augustine , Canton. Brooke
 
62
METEOROLOGICAL REGISTER FOR 1828.
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PLACES OF OBSERVATION.					Fort Brady Fort Snelling Fort Howard Fort Preble Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille St. Augustine Canton. Brooke
 
METEOROLOGICAL  REGISTER FOR  1828.
63
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64
METEOROLOGICAL REGISTER FOR 1828.
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PLACES oir OBSERVATION.					Fort Brady Fort Snelling Fort Howard Fort Preble Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Trumbull Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille St. Augustine Canton. Brooke
 
metSoWLiJiiiuia^
REGISTER FOR 1828.
65
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ivoioorioao3iiaw 
REGISTER  FOR 1828.
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ti,fa<OOfaa;0 
No. XIII.
MEAN OF THE OBSERVATIONS FOR 1828.
CO
PLACES			THERMOMETER.							1 "WINDS.									WEATHER.				
																							
			Mean Temperature.																				
OP OBSERVATION.	AS 3	■a 3 'Ed a				3 * 8. tct"; <a cd	CO Ch bo ■a £		ho C	N.	N.W.	N.E.	E.	S.E.	S.	S.W.	w.	.9 1 eo t-, Oh	Fair.	Cl'dy.	Rain.	Snow	a 1 Oh Cl'dy.
			A.M.	P.M.	P.M.																		
										Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.		Days.	Days.	Days.	Days.	
			VII.	II.	IX .																		
	>3	iJ o / 84.83				i	X	iJ	«														
Fort Brady	46.39		37.95	49.78	39.41	42.38	91	-20	111	1.59	4.67	3.75	5.17	3.33	2.59	5.00	4.42	S.W.	11.33	9.75	5.42'4.00		
Fort Snelling	44.53 93.08		41.43	53.92	43.68	46.34	92	-22	114	2.25	5.00	0.83	1.50	2.08	5.83	5.00	8.00	w.	19.75	4.92	2.83 3.00		Fair.
Fort Howard	44.40 87-00		40.46	53.19	43.20	45.62	92	-20	112	4.92	3.58	2.75	0.25	2.25	8.67	5.00	3.08	s.	16.50	10.83	2.50 0.67		
Fort Preble 43.38 70.18 141.81				55.29145.68		48.56	90	_o	92	1.50	4.50	2.83	1.58	5.17	7.25	5.42	2.25	s.	16.17	10.00 4.50 0.07			>9
F't Constitution 43.04 70.49 45.52 '55.31) 46.87						49.25	90	1	89	0.83	6.17	4.08	2.17	1.08	6.83	4.50	4.75	s.	16.25 11.25 j 2.75 0.25				11
Fort Wolcott	41.30,71.18 48.80 57.33 51.53,52.55						86	6	80	3.75	6.42	2.92	1.50	2.58	2.08	8.92	2.33	N.W.	13.92	9.33	6.17	1.08	Cl'dy.
Fort Armstrong	41.28190.33 48.54:58.33149.04 51.97						95	-6	101	4.25	1.83	2.58	3.08	2.50	10.25	1.67	4.33	s.	23.50	5.42	J.17	0.42	Fair.
West I»oint	41.2273.57 | 50.15 61.55 53.18 54.96						98	6	92	2.67	8.67	1.58	0.75	3.83	5.50	5.08	2.42	N.W.	18.50	6.58	4.58	0.83	
Fort Trumbull	41.22 72.05, 54.00 59.40 57.26 56.89						86	18	68	1.33	3.83	3.33	2.08	5.17	3.33	7.00	4.58	S.W.	16.92	7.33	5.08	0.67	„
Fort Columbus 40.4-2 74.02 49.99 60.01 52.14 54.05							99	9	90	1.50 6.50		4.00	2.00	2.50	4.67	5.83	3.50	N.W. 18.08		7.75	4.42	0.25	„
Washington city 38.41 76.55 52.96 65.18 57.22'58.45							94	16	78	0.58 |9.50		4.00	0.33	4.75	6.58	4.17	0.58	N.W. 14.42		8.92	6.75	0.42	Cl'dy.
Jetlerson Bar'ks	38.28 90.(IS! 53.05 66.93 ;57.74 59 24						100	10	90	2.50 ,6.00		3.42	0.92	6.58	2.50	6.58	2.00	S.W. 20.83		4.50	4.75	0.33	Fair.
Fortress Monroe	:'»7.02 76.121 60.13,67.03 [63.62163.59						91	30	Gl	1.67	3.42	8.50	0.92	3.83	1.25	8.00	2.92	N.E. J17.00		7.33	6.08	0.08	
Fort Gibson	35.30 95.10 ,57.43 71.83				60.99 63.42		10J	19	82	2.08	3.25	1.67	1.50	20.42	0.50	1.00	0.08	S.E.	19.00	9.25	2.08	0.17	
Augusta Arsl.	33.28 81.53 j'61.84173.22				68.38	67.81	96	34	62	3.17	6.83	3.67	0.50	4.08	3.08	5.58	3.58	N.W.	16.75	7.58	6.17	0.00	
Canton. Jesup	31.30 93.47 63.02 74.99				66.76	68.26	97	30	67	3.92	3.17	6.92	1.83	5.17	4.75	4.08	0.67	N.E.	18.92	5.42	6.08	0.08	„
Canton. Clinch	30.24 87.14 66.26 75.16 70.22					70.55	94	36	58	2.25	4.33	2.50	1.08	3.92	4.75	10.58	1.08	S.W.	19.50	3.25	7.75	0.00	
Petite Coquille	30.10 89.38 • 70.06 75.61j/2.46 72.71						93	36	57	0.83	4.08	2.92	7.58 4.58		1.58 4.171 4.75			E. [	21.18	4.58	4.00	0.00	
St. Augustine	29.48 SI.35 1 71.35 76.41 72.21173.32						90	30	60	2.00	3.33	5.67	0.67 14.33 J.50' 2.171 0.83					S.E. 18.58 6.42			5.50		
Canton. Brooke	27.57,82.:?.">|!G8.30 81.00;73."27174.19						04	40	54	2.75 -2.25		1.75 13.50 1 4.33i 2.92: 8.08| 5.08 S.W. 23.50; 0.83									6.17	-	„
 
Hancock Barracks Fort Snelling Fort Howard Fort Preble Fort Niagara Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille	PLACES or OBSERVATION.				
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69          '6S8i hoj H3j,siD3H 'isajno'ioHoaj.aw 
METEOROLOGICAL REGISTER FOR 1829.
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Hancock Barracks Fort Snelling Fort Howard Fort Preble Fort Niagara Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille	PLACES OF OBSERVATION.				
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PLACES OF OBSERVATION.				Hancock Bar'ks Fort Sneliing Fort Howard Fort Preble Fort Niagara FortConstitu'on Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city Jefferson Bar'ks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille
 
METEOROLOGICAL REGISTER FOR 1829.
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Hancock Barracks Fort Snelling Fort Howard Fort Preble Fort Niagara F't Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille	OF OBSERVATION.			3 o w	l
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Hancock Barracks Fort Snelling Fort Howard Fort Preble Fort Niagara Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille	PLACES OF OBSEP.VATION.				
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PLACES OF OBSERVATION.					Hancock Bar'ks Fort Snelling Fort Howard Fort Preble Fort Niagara F't Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Wasbiiigton city Jetierson Bar'ks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Canton. Clinch Petite Coquille
 
No. XIII.              MEAN OF THE OBSERVATIONS FOR 1829.
			THERMOMETER.							WINDS.									WEATHER.				
PLACES															>								
			Mean Temperature.																				
	eo	■a 3				eo U 3 s 1 M S KfSH	0> OS Ch bO -a	M, bo •a		N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.	tJ) a '5	Fair.	Cl'dy.	Rain.	Snow	bo a '3
			A.M.	P.M.	P.M.																		
OBSERVATION.																							
																							
	3 Ml	2	VII.	II.	IX.	c0 i	J5 X	1 o M4	bo a Ph	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Ph	Days.	Days.	Days.	Days.	eo Ih Ph
	46.10		33.38	47.44 39.63		40.15	92	-24	116	1.92	8.17	4.83	4.17	7.42	0.58	3.08	0.25	N.W.	19.42	2.75	5.42	2.83	Fair.
Fort Snelling	44.53	93.08 41.51 52.43 43.18 45.71					90	-30	120	1.42	3.580.58		1.67	2.67	5.58 4.58		10.42	W.	21.50	4.67	3.08	1.25	11
	44.40'87.001137.38 51.42141.37143.39						97	-32	129	4.50	2.50U.42 1 42			1.83	8.50 5.83		1.42	S.W.	15.75	14.67	-	-	11
Fort Preble	43.3*	70.18 40.82 53.09142.41145.44					92	-6	98	1.83	4.92 2.25 1.33			2.58	8.83 3.S3		4>3 S.		17.75	7.42	4.7)	O.bO	it
Fort Niagara	43.15	79.05	46.52 54.15,47.60 49.42				94	0	94	2.42	4.6713.50 11.50			1.42	5.92 3.83		7.171 W.		17.7b	7.58 :un		1.42	11
F't Constitution	43 04	70.49	42.58 51.40		44.00 45.99		90	-6	96	1.42	6.75J3.08 i2.08			0.92	7.83 3.42		492, S.		18.42	9.67 I2.00		0.33	u
Fort Wolcott	41 30	71.18	43.46 54.68		45.79 47.98		82	6	76	1.50	6.58 3.58		1.00	2.67	0.92 9.75		3.83 S.W.		15.50	8.67	i).25	.1.08	„
Fort Armstrong West Point	41.28	90.33	45.10 56.93		46.41 49.48		96	-16	112	9.50	0.75	1.58	1.92	1.33	12.00 0.33		3.00. S.		23.00	4 58	2.00	1.00	)'
	41.22173.571 45.33 57.59				49.05 50.66 90			0	90	2.42	9.75	1.25	0.92	5.67	3.1714.33		2.92 N.W.		17.59	7.58	4.50	1.6/	11
	40.42174.02		48.27 jf.0.21		49.15 52.54		95	7	88	0.67	11:17	4.92	0.83	4.92	0.426.17		1.33 N.W.		21.08	3.58	5.08	O.bV	'»
Washington city	38.41176.55		47.97 61.25		53 43 54.22		92	8	86	0.50	10.83	3.08	0.75	5.00	5.67;4.50		0.08 N.W.		14.00	9.58	6.00	0.83	Cl'dy.
	38.28190.08		49.35,62.92		54.36 55.54		97	1	96	3.08	6.83	3.58	1.25	6 08	5.25:3.08		1.25IN.W.		21.83	6.92	1.08	0.58	Fair.
	37.02 76.12 '1.55.81 'te.97				59.68 59.49		89	21	68	2.92	3 75	6.75	1.50	2.25	1.42 8.67		3.17 S.W.		16.58	8.42	5.00	0.42	1>
	35.30	95.10 52.57 70.41			57.68 60.22:104			0	104	2.67	3.08	4.83	1.58	13.50	1.172.58		l.OOj S.E.		18.92	6.67	4.50	0.18	11
	33.28	81.53 54.54 69.72			61.38 61.88		93	15	78	1.00	5.75	'6.75	0.83	4.67	0.42.8-00		3.42J S.W.		15.58	6.58	8.33	0.00	11
Canton. Jesup 31.30 Canton. Clinch 30.24		93.47 1.59.22 72.19			64.14 65.55		94	18	76	4.00	6.50	4.08	1.33	4.33	3.17	5.50	1.5(	N.W.	16.17	10.08	4.17	-	1?
		87.14 64.69 72.94169.34 !68.99					94	20	68	5.67	2.25	2.08	1.67	2.83	11.92	1.25	2.75	S.	1J.76	11.83	b.75	-	Cl'dy.
Petite Coquille 130.10 )		89.38 65.65 74.45 67.75 69.28					94	23	71	2.75	6.33	7.67	2.83	3.08	1.00	5.50	1.3a	N.E.	16.33	10.50	4.67		Fair.
 
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Fort Brady Hancock Barracks Fort Snelling Fort Howard Fort Preble Fort Niagara Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Petite Coquille St. Augustine Canton. Brooke	PLACES OP OBSERVATION.				
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C»^C»CBO00O00O00OO00D-<l<f<JCB<IC»©C»VI i^-Jif4-tOCn©tOtOCO'-©^tif>.cn©©<l©©cn	Highest degree.				
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Fort Brady Hancock Barracks Fort Snelling Fort Howard Fort Preble Fort Niagara Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city I Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Petite Coquille St. Augustine Canton. Brooke	PLACES OF OBSERVATION.				
^^-^©©•^©©oicncncni^cncncyiit^cnifkit^ CSCOCCCnifiMCO.>H«eo>*.CBCOH.CBiH-J«JtSO! Hn©lLnWi-iUi^^^©rfi.V3i^^^U.k.cOC0<! tS© — 00©tOOO©rH©yiCn©©tOtOC7i©Cn©	<	> 3		P 3 H 3 T5 *i P £ CD	a M to MH o g w M to
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•^-^•<!<J-»3©©OS©©Cn©CnCn©CncnCnC7!** ~JCn^j©to©~j©cn©©tOCnCO©*>.if>.©tOO0 ^to©c»^©McoMHCo©co©MH©©bi<iii:>.if!>. ©oocotOMHcintn©©rfi.tooocncn©if>.co©©OD	Aggregate Mean Temperature.				
00©00©©©00000000<(CB~I<t-I'-^©00-a-.l 00©CBCO©©f-©©T^OOtOtOtO©M-©©CntO	Highest degree.				
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<cOtOtOir^COCniOi4^tOCOCO^.COCOCOCO©i|S>.i^i^ OtO©<!©©©COOO~Jif>.COtO©tOCO©tOCn©	Range.				
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98 
Fort Brady Hancock Barracks Fort Snelling Fort Howard Fort Preble Fort Niagara Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Petite Coquille St. Augustine Canton. Brooke	PLACES or OBSERVATION.				
-^■^<J<i~I-<i<f<(0505©©cno5©oicn<icncn c»^^M^co^rH^tnii^a)ooi--.co©oo©if»© Cn©©©MHCO^COtO©io^bs'©ln©tOCntOrH ©CO©CO©COCOCCCOCO©CO©©COCO©OT©©	<	> k		s a P a H C6 a •3 C5 P S ?	X ta W M. o gj n H w to
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«0©©©©©©cx)cr,tooocOOOOOC»-<c©ODOOOO ©C0t0<ilCnt0O5tO©#>.*>.0Dt0t0lf^©t0t0C»MH	Highest degree.				
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i8          -088i noa aaj,si03H ivoiooioaosxaiv 
No. VII.								JULY														00 00
PLACES	THERMOMETEI				I.							WINDS.						WEATHER.				
																						
	Mean Temperaiure.			u																		
OF OBSERVATION.				03 <D	eO OS U tm ■a	CD CD M> WI ■»		N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.	60 '3	Fair.	Cl'dy. Rain.		Snow.	a 73	g
	A.M	P.M.	T.M.																			to
																						ta o w o f o
	VII.	II.	IX,		X	O M)	cm a cd Ph	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.	M Ph	Days. 16	Days.	Days.	Days.	Ph	
Fort Brady	G8.74 78.09		66.16	71.00	93	50	43	8	6	.	1	3	1	9	3	S.W. 1		12	3	.	Fair.	o
Hancock Barracks	G0.77 77.48		66.1S	68.12	95	47	48	0	4	6	1	7	7	6	.	S.E.	17	3	11	.		o >
Fort Snelling	80.00 88.06		7G.93	81.66	94	70	24	.	2	.	.	10	2	16	1	S.W.	26	2	3	.		
Fort Howard	71.22 83.1G		72.77	75.72	100	50	50	3	.	2	3	1	18	1	3	s.	21	6	4	.		w
Fort Preble	65.90 I 78.80		64.90	69.87	94	56	38	.	.	1	7	2	6	10	5	S.W.	16	8	7	.		M
Fort Niagara	75.74 S3.12		76.45	78.44	98	62	36	6	.	2	4	.	6	6	7	W.	27	.	4	.		O
Fort Constitution	67.58 73.32		66.45	69.12	91	56	35	4	3	7	2	1	5	6	3	N.E.	19	9	3	.		H M
Fort Wolcott	65.64 77.64		67.77	70.35	89	59	30	1	9	8	.	1	.	11	1	S.W.	16	7	8	.		
Fort Armstrong	79.1G 88.87		76.06	81.36	98	66	32	4	4	.	3	4	7	7	2	s.	31	.	.	.		W
West Point	72.84 78.29		75.93	75.69	92	60	32	4	4	1	3	9	3	2	5	S.E.	23	5	3	.		*J
Fort Columbus	74.80 87.00		74.45	78.75	98	64	34	.	2	7	1	5	2	10	4	SW	25	4	2	.		O
Washington city	74.09 89.38		79.96	81.14	96	64	32	2	7	1	.	2	8	11	.	S.W.	23	5	3 j -			
Jellerson Barracks,	75.54 86.93		76.87	79.78	98	66	32	5	3	.	2	5	14	1	1	s.	18	3	10 ! -			00
Fortress Monroe	77.29 86.16		80.94	81.46	94	72	22 '	.	1	8	.	7	.	13	2	S.W.	19	12	.			©
Fort Gibson	76.12 91.71		78.03	81.95	103	71	32	1	9	8	.	I	.	11	1	s.w.	16	7	8			
Augusta Arsl.	77.83 90.16		85.22	84.40	102	74	28 :	.	1	.	.	13	2	11	4	S.E.	21	.	10	.		
Canton. Jesup	77.32 90.00		80.48	82.93	96	72	24 l	3	5	7	2	.	2	5	7	N.W.	15	11	5	.	Cl'dy.	
Petite Coquille	S1.67 90.06		83.58	85.10	94	77	17	4	3	5	4	4	1	6	4	S.W.	26	4	1	.	Fair.	
St. Augustine	79.61 86-25		81.35	82.40	94	78	16 !	-	-	3	-	19	.	2	7	S.E.	18	1	12	.		
Canton. Brooke '	80.45 87.09		79.67	82.40	92	76	16	-	2	4	3	12	2	5	3	S.E.	8	23 ! -		-	Cl'dy.	1
 
*9
Fort Brady Hancock Barracks Fort Snelling Fort Howard Port Preble Fort Niagara Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city JciVerson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Petite Coquille St. Augustine Canton. Brooke	PLACES ov OBSERVATION.				
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PLACES		OBSERVATION.			Fort Brady Hancock Barracks Fort Snelling Fort Howard Fort Preble Fort Niagara Fort Constitution Fort Wolcott Fort Armstrong West Point Fort Columbus Washington city Jefferson Barracks Fortress Monroe Fort Gibson Augusta Arsl. Canton. Jesup Petite Coquille St. Augustine Cant. Brooke
 
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METEOROLOGICAL REGISTER FOR 1830.
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No. XIII.
MEAN OF THE OBSERVATIONS FOR 1830.

PLACES			THERMOMETER.							"WINDS.									WEATHER. |				
																							
			Mean Temperature.																				
OF OBSERVATION.		1 '5b a o				CD M, 3 0)2 H «S $> C bl.trH <a c« eo	O <D ■a 01 J3 Ql)	as a> t. bn as	0) bo a cc)	N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.	bn a '3 > U Oh	Fair.	Cl'dy.	Rain.	Snow	I '3 ► MH
			A.M. 1 P.M.		P.M.																		
										Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.		Days.	Days.	Days.	Days.	
			VII.	II.	IX.																		
	mJ	mJ				S	X	m3	«														
Fort Brady 46.39 Hancock Bar'ks 46.10		o / 84.83	40.15	49.44	40.56	43.38	93	-26	119	3.33	6.08	1.50	5.42	6.58	1.25	1 3.83 2.50		S.E.	9.50	13.17	4.50	3.25	Cl'dy.
		35.46 50.81 40.58 42.28					95	-23	118	1.17	9.33	6.83	1.92	6.67	1.67	2.75 0.08		N.W.	! 18.00	2.50	6.67	2.83	Fair.
Fort Snelling (44.53		93.08! 44.93 54.97145.91 48.60					94	-26	120	1.92	4.33	1.33	0.92	3.33	3.00 8.08.7.50			S.W.	[17.92	6.67	3.50	2.33	,,
Fort Howard 44.40		87.00J 40.89 54.99 !44 44'46.67					100	-26	126	6.18 2.67		2.00	1.58	2.18	12.58 1.25 2.00			s.	!l5.08	9.75	3.08 2.50		Cl'dy.
| Fort IVMe ,43.38 70.18: 42.71 53.44 44.12 46.76							94	-16	110	1-67 ' 2.17		2.50	2.75	2.33	4.92 5.17 8.92			W.	|14.92	8.67	5.50 1.33		,,
j Fort Niagara 43.15: 79.05 i.50.06 57.80 53.46'53-97							98	0	98	2.25	3.08	4.17	3.33	2.33	3.75 4.68 6.84			w.	115.67	6.67 6.33H.75			Fair.
Ft Constitution 43.04 70-49 44.62 52.35					45.19 47.39		91	-10	101	1.83	5.67	5.75	1.83	0.58	7.00 3.84 3.92			s.	! 17.50	9.17 3.00 ' 0.75			,,
Fort Wolcott ill.30 71.18 44.68 56-50					48.16 49.78		89	0	89	1.17	7.67	6.25	0.83 2.25		0.75 9.00 2.50			s.w.	13.67	10.75 5.25 ! 0.75			Cl'dy.
Fort Armstrong 41.28 90.33 48.51 59.81					51.42 53-25		98	-24	122	4.75	1.92	2.25	3.58	250	7.67. 3.42 4.33			s.	20.00	8.9211.25 10.25			Fair.
West Point 141.22:73.57 48.31 58.49					51.01 52-60		92	-6	98	5.58	6.50	2.08	1.50	5.75	4.08! 2.00 2.67			N.W.	19.42	7.1713.42! 0.42			n
Fort Cjilumbus 40.42 74-02			50.62|01.65 52.23 54.83				98	5	93	0.33	7.83	6.70	1.00	2.58	1.17 9.08 1.75			S.W. 21.08		6.33 2.75,0.25			,,
Washington city 38.41 76-55			50.82 56.03		56.25 54-37		98	4	94	1.42	9.42	4.17	0.92	2.50 6.171 4.92 0.92				S. 1,15.58		8.42 6.08 10.33			jt
Jefferson Bar'ks 38.28 90.08			53.25 63.77		58.55 58.52		98	-15	113	3.08	4.83	1.42	1.92	3.92 9.67| 3.25 2.33				S. [18.92		7.0814.33,0.08			
Fortress Monroe 37.02 76.12			58.40'65.14		61.3161.62		91	21	73	3.92 2.83		6.92	167	2.75	1.08 8.58 3.42 S.W- J16.08					10.25 3.92! 0.17			
Fort Gibson 35.30 95.10			56.69 76.63		61.86 65.06 107			3	104	1.7513.08 4.92 2.83				15.00	0.83! 1.42 0.58 S.E. '119.17					6.67 4.17|0.42			v
Angusta Arsl. ! 33.28 81.53j 57.75 74.07					66.25 66.02 102			12	90	0.4215.75 4.08 0.08				7.00	1.08 9.67 1.58 S.W. 18.25					6.42 5.58		0.17	ii
Canton. Jesup 1 31.30 93.47 60.69 73.91					64.90 66.50		99	14	85	3.25 5.58 5.33 0.75				2.58	4.08 5.42 3.25 N.W.'.18.58 7.75 4.00							0.08	»»
Petite Coquille	30.10189.38! 67.46 77.38 71.82 72.22						98	27	71	3.92 ! 3.33 7.08 4.08				3.83	1.83 3.0013.33 | N.K. 1123.671 5.08 1.67							-	
St. Augustine	29.48 81.35 i 68.09;75.38 70.07 71.18						94	30	64	1.58'2.33 9.08 0.67				10.67	1.0813.25 1.75! S.E. 17,^3 5.25 7.33							.	
1 Canton. Brooke 27.57' 82.351 68.24180.29170.40 73.00 92								30	62	1.0714.92 7.92 2.17 4.42					2.50,4.9211.02 1 N.E. j 19.33: 8.07 2.42							-	„
 
METEOKH^glC^E REGISTER.
95
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Abstract [ B ] sho-wing- the difference between the mean temperature of each season and of each month.
		1	a mi ca 2		ci 3 .	DIFFERENCE OF THE SUC-															
	PLACES OP	d cd eo S £	eo*%			CESSIVE SEASONS.							DIFFERENCE OF THE			SUCCESSIVE MONTHS.					
						of	Of	of	of	of	of	of	1 0f	of	of	of	of	of	of	of	of
	(UiSERVATION.	3 3	. ti5	°. a°	a>	winter	spring	sum'r	autumn	Jan.	Feb.	March	April	May ana	June	July	August	Sept.	Oct.	Nov.	Dec.
		O fe	lla	SB'S	eo m	and	and	and	and	and	and	and	and		and	and	and	and	and	and	and
		<! e.	(52s 40.87	47.61	ss	spring.	sum'r.	autumn	winter.	Feb.	March.	April.	May.	June.	July.	August.	Sept.	Oct.	Nov.	Dec.	Jan.
	Fort Brady „ Snelling ., Preble ,, Niagara „ Wolcott „ Armstrong West Point VVasbingion Jetierson Barracks Fortress Monroe yant. Gibson lugusta Arsl. Jetite Coquille ft. Augustine Cant. Brooke	41.84			7.9-	1 17.69	23.18	7.08	23.79	2 00	6.66	10.30	16.71	3.96	7.98	1.94	1 7.72	9.76	12.68	11.2(5	4.25
		45.77	55.51 61.18		10.2(	) 28.38	27.13	25.45	30.06	5.68	11.92	11.30	20.83	8.62	2.83	3.09	113.56	8.62	15.35	19 07	1.49
		46.92,40.74147.05			7.84	17.56	23.18	18.16	22.58	2.53	8.17	11.77	9.56	10.18	4.84	1.59	9.88	8.92	8.92	7.7.;	9.98
		51.09,41.73 49.40			8.2.;.	16.77	24.96	15.21	26.52	1.66	9.19	13.13	12.25	9.13	5.50	1.54	9.21	4.91	10.82	8.80	12.10
		50.10	34.72 39.11		6.5-,	15.45	19.27	14.72	20.00	0.38	6.57	8.42	10.37	9.09	4.61	0.05	7.81	8.59	8.26	6.39	7.(58
		51.57	49 20 53.28		8.81	23.67	25.53	23.46	25.74	0.10	11.89	14.81	12.54	10.18	3.76	J.71	13.84	6.86	15.14	8.73	7.00
		52.74 4U.47I45.01			7.51	17.63	22.84	18.77	21.70	0.22	9.14	11.66	11.36	8.98	3.65	0.11	9.09	12.67	7.11	6.40	9.63
		55.68 38.98 42.12			7.02	16.85	22.13	19.86	19.12	0.03	7 97	9.21	12.17	9.60	2.54	1.04	9.99	10.58	8.91	0.38	5.22
		57.77141.17 45.46			7.58	21.26	19.91	22.01	19.16	1.79	13.05	12.50	10.86	7.86	0.77	0.42	11.98	10.99	9.76	3 29	7.65
'		(il.57 32.99 30.29			6.04	12.74	20.25	14.49	18.50	1.17	5.73	8.45	10.46	8.45	3.20	0.37	7.47	7.52	8.49	7.39	3.78
		62.90,36.83 42.03			7.00	18.18	18.05	16.24	20.59	4.22	12.26	7.77	11.41	5.96	2.84	1.79	8.67	8.65	11.-3	7.92	0.73
		65.24 30.55 32.11			5.35	13.64	16.91	16.72	13.83	0.56	6.46	8.39	8.43	8.34	0.49	0.53	8.29	7.97	H.79	3.42	2.55
		71.40	<i4.3926.12		4.35	11.08	13.31	10.46	13.93	0.76	5.39	5.42	8.13	5.32	1.04	0.06	3.27	7.46	11.15	0.63	3.61
		72.24	19.22	21.30	3.55	7.72	11.50	8.49	11.41	2.82	1.56	2.15	7.76	4.68	1.24	0.32	3.12	5.95	6.14	6.09	0.77
		73.19	16.02	17.68	2.97	6.69	9.33	6.45	9.57	2.81	0.08	4.79	6.12	3.61	^0.53	0.64	1.78	3.97	5.33	4.95	1.01
ft. Vancouver (Oregon																					
1	ler.)	51.751	J3.67	28.00 M.48	4.25	6.67	17.00	12.33	11.33	5.00	1.00	2.00	8.00	9.00	3.00	0.00	5.00	7.00	11.00	0.00	0.00
	VTortb Cape \{	B.Oo'lfl.62 s				5.94	13.68	11.26	8.36												
I ieo (J.ap.)		t7.08,'45.90 53.821				15.30	30.60	21.78	24.12												
[Sdmbnrgb U llloseow (Russ.) |. London if Environs of London 1-j		7.3i;i7.90|20.8lj			3.65	5.30	12.60	9.44	8.46	0.63	0.06	6.24	•3.17	6.18	4.48	1.57	2.13	7.24	8.77	1.10	1.67
		0.10 56.32164.44				33.28	23.04	28.80	27.52												
		0.39 23.20 26.17			4.36	9.64	13.56	11.00	12.22	3.08	2.20	5.36	7.64	4.36	3.43	0.10	4.73	7.00	8.31	3.89	2.22
		8.81,23.60 28.24 \			4.87	10.86	12.74	11.67	11.93	5.62	1.73	5.38	9.90	2.87	3.74	1.05	5.13	6.00	9.31	3.27	3 50
trenzance '5 pS. \V. oi"France I5 [Italy |5 .Madeira |(		2.1615.84 18.50J 3.05				5.00	10.84	6.67	9.17	1.50	2.00	2.00	5.50	5.00	2.00	0.50	3.50	3.10	5.50	2.50	3.50
		5.2920.42 30.S7 4.47				12.08	14.59	12.74	14.00	4.55	1.45	8.52	7.33	4.52	0.80	3.72	3.22 )	11.08	6.27	5.27	3.94
		9.4ti 27.56 32.10 5.75 1 ;,i; s).8:5 14.50 2.41				11.53 2.70	10.03 7.13	11.33 2.10	10.70 7.73	3.50 1.00	4.33 2.50	6.21 1.44	7.03 0.50	5.80 2.00	5.12 ! 5.00 1	0.82 3.00	4.30 1.50	9.53 4.00	9.06 4.90 10.64	5.85 2.20 J.61	3.40 1.00 3.24 ;
C k	'airo 7 Jurnana (S. Ameiir;i>|?	2.17 2G.5S27.72 5.50 i.sr.1 1.8(l| 5.2-2!				15.00 3.42	11.58 1.62	13.02 l.dO	13.00 0.00	2.00	8.46	13.32	0.36	5.40	2.16	O.OOJ —■—u	6.60 :	6.84 1			
 
Abstract [ C ]  containing the annual and monthly ranges of temperature.
PLACES
OBSERVATION.
a s
S3
« M
.5 £
Ft. Vancouver (Oregon
  Ter.)
Fort Brady
   ,,  Snelling
   „  Preble
   „  Niagara
   „  Wolcott
   ,,  Armstrong
West Point
Washington
Jefferson Barracks
! Fortress Monroe
Cant. Gibson
i Augusta Arsl.
Petite Co<inillc
jSt. Augustine
jCant. Brooke
i--------~~"~~ ~~~~~~
 ' London
 "Environs of London
 "Penzance (Eng.)
 Montpelier
iNice
 Rome
iNaplea
 Madeira
ANNUAL

RANGE.
 Od'Bcj.BS /  .
'js.  .£ S5  If a
i a  a   <5 3  a .2
L!».SogS  a B
N  ci
:: J3  -5
51.75 78
41.84 105:
45.77 116
46.96
51.69
50.10
51.57
52.74
:55.68
57.77
61.57
62.90
[65.24
,71.40
172.24
73.19
 98
 92;
 80
107
 911
 83;
 90
 68;
89 104
73|  98!
62  94
511  92
52'  92
 17
-19
-22;
 -7
  1
  41

-n*
 12
  7
 25
 15
 25
 32
 41
 40
37139 58
44J5U41-
5010141 ■
39 52 45
38|52 53
34;45|49
48 60,49-
4152541
40 45'58
4451,62
3l!37|G2i
49:59 77
40'43!68
31/14 7G
23 35 78
29 34 77
17 23551
■19 58 44
■23 66'49
-7 4615
  1;4952
  4 37 47;
•1165 56
  2 551571
13 46 58
1163 70
25 33 til
18 50 71 i
25 40 70
32 ^ 74
43 30 79
43 35 81
 322860
-14 59 50
-17j66,56
 -147,57
  342]57
 1038157
 -957 69
55)72
  5072
  43j75
  4269
15 54!82
30;49',80|
3(» 31 80
4!>2G78
40 35 84
32 42 70 32 43'75|32 50
-9 43 5815 44 76 32 46
■10 51 68 17 4683 37 38
1013-167 35 38,77 39 36
15 46 79 3343 85 42 28
1913467 3336 77 41 30
12 51 80 29 46 86 40 38
17 4578133 37,83 46 30
22 4378,35 35.84 49 30
32145 82'37 4389 46 37
27|37 78;41l29;82;53 25
28 5387 34'43 91i48 38
3l'50 86 36'37.9i;54 34
46 34 84 50 24 89', 65 20
53 3180 49 20'88 6817
49 35 87 5223,90 67,24
S  S
95'4E
55
86'40 32
925433
84'48!35;
86'5834
82 52 26
93 55 36
89 59
AUGUST.   SEPT.
40 51
50 36
59 35
56 30
59 26
 92 62
 96 59
 90 65
100 63131
 94 60 31
 92 7219
 90 73 14
 91 67,19
 84'5S24
 96 00 33
 93(5120
 95 63 32
 97J63 33
 936828
100 69 39'
 98J67 27
 93i74'l9
 92:78 12
 9273 19
44 45.88.43
47 38 76 38
54 43 82 39
56 3375 42
|»:s
16 66 50 26
          43 69 26 38
          55|82l27 47
          38168 30 34
61135;83l48:32 76l44 27j61
58'34:79,45|33l67!34:34 6a
as1
00 42 87:45 40:83 37 43 64 21 61
322355! 32
19 4741; -6
1154 42-12
24 51541   3
34 451611 16
28 42'56i 14
63!  2
63,  16
62'  16
    11
61 36 87,51 111 |73 32 3.6 64 28 47
62 45 90!45'43 75 32 37tf>7 30 46
64'40'90 50140 79 3942 68 26 53'64
71 '26|86 00! 18 72 54!33 72 39 35 64< 29
05 45 98 53;55 92 37,54 ^4 30 62 82; 20
68 40 92!52 37 81 44 40j75!35 51 76, 25
175 28 92[64 32-6 5437 80 43 41 79, 38
79 14:86 72:22,82 60'22|78 50 36i77k41
73 23 9108:3288 50 32 84 52 40J80! 40
50.39 64  86
48.81 67  83
52.16
57.60
|59.48
,60.70
61.40
68.89
49	76 27
59	86 27
60	87 27
62	91 29
64	93 29
23	77i 54
22  3128 5D 22 27 52
16.  38 33 49 16 3554
    24 20 54 28,2255;
    23 20 53 27,25,55;
    213158 272158
    28 29 58 2927 60
    29 29 58 29 29,60
    1212,68 561168
25 32 01,  29,37 69 32 39 75 36 48
1930 00:  24;4369'26 45 78 33 41
33J25 59;  34 26 6236 27 6841 26
3H,23 58  35 23 64;4122 71 49 24
37:24 05]  41>23 69 46 20 7741 20
33 28 65  37', 30 74 44 28 80'52 28
3l|31 69  38J35 78 43 35 86 51 32
5713.67  54! 13 71 58 15,75,60 14
86 38 33
80 39 42
72 46122
80 56 23
78 5815
88 601-27
88 50 29
76 62 12
   44 38
   41 37
73 51 22
85:6221
81 66.1a
91 64*29
93 64129
77 6510
   44'35 75
   42/11751
   5123 69
   65'20'75
87J69 21J82
9162 30'85
91 6228'88
77 67 41|77
40i33 65:3230'57
34.38l68.30 34 06
46,240440 21 57
5523
6122
5531
60 28
7148 22 62
70|48 18,01
77 46 28157
79 51'20',64
66111 76 65!12|71
27 30',54 24
22 33 53 20
36 22
40 25
43 19
39 29
     56i 34
     571 32
     59i 40
     60 31
44 27'011 34
59,lll69| 50l
+ Observations made with the Register Thermometer. 
98               METEOROt.uuiUAL keuistek.
NOTE.
  It is found, upon a  further examination of the " Diaries of the
Weather," that the observations  upon the rain-guage  have been
sufficiently extensive  to warrant  a tabular arrangement of the
data.  The following  abstract exhibits  the observations made
within the last four years, condensed into annual results.
  To determine the quantity of rain that  falls upon  any point of
the earth's surface, is an important element in meteorology.  The
table now given affords evidence  of the valuable information to
be derived from this source.  The data, however, are not  suffi-
ciently extensive to authorize general conclusions. 
ABSTRACT D.
PLACES								0) 'rt'C g-3
OP	■a 3	3 'En	OBSERVERS.	1836.	1837.	1838.	1839.	S.3
OBSERVATION.		c o m3						CO .5 a-
Fort Constitution	4305	70.45	Ass. Surg. Sargent -	28.10	28.10	31.84	27.28	28.85
Watertown Arsl.	42.21	72.12	A. Ass. Surg. Adams -		32.1 (i	44.01	42.90	39.69
Fort Wood	40.43	74.01	Ass. Surgs. Eaton and Monroe -	49.09	51.00	41.51	50.03	47.90
„ Hamilton	40.43	71.01	Ass, Surg. Eaton and A. Ass. Surg. Carpenter			39.70	51.72	45.71
Hancock Barracks	40.10	67.55	Ass. Surg. Sprague - -		33.68	38.37	38.70	36.92
Waterolirt Arsl.	42.30	73.13	A: Ass. Surgs. Hungerford and Viele -	44.30	32.06	30.80	29.73	34.22
West Point	41.24	73.51	Surg. Wheaton .....	50.14	44.88	44.00	55.80	48.70
Allegheny Arsl.	40.35	80.08	Ass. Surg. Day ......		35.67	23.10	25.64	28.14
Dearbornville Arsl.	42.22	82.55	A. Ass. Surg. Sweeney . . . -	40.00		29.84	24.05	31.30
Fort Brady	46.39	84.43	Ass. Surgs. M'Dougall, Porter, and Holt -		36.93	34.73	24.01	31.89
„ Howard	44.40	87.00	Surg. Satterlee, Ass. Surg. Worrell, and A. Ass. Surg. Ward	37.04	41.55	42.83	31.32	38.83
„ Winnebago	43.35	89.30	Surg. Foot and Ass. Surg. Laub ....		31.32	27.85	36.47	31.88
,, Snelling	44.53	93.08	Ass. Surgs. Wright and Emerson ...	..	41.57	28.21	21.19	30.32
„ M'Henry	39.17	76.36	A. Ass. Surg. Roberts .....	39.50	45.00	39.10	39.60	40.80
„ Monroe	36 51	76.19	Surg. Finley and Ass. Surg. Archer ...		40.70	44.74	72.20	52.55
Washington City	38.53	76.55	Wm. G. Cranch, Esq......	47.27	31.80	35.10	36.97	34.02
Fort Crawford	43.03	90.53	Surg. Elvves and Ass. Surg. M'Laren -		33.05	23.31	31.66	29.54
„ Leavenworth	39.20	95.05	Surg. Macomb ......	..	38.45	26.28	33.32	32.68
St. Louis Arsl.	38.40	80.10	Surg. Beaumont .....		26.33	21.90		21.12
Fort Smith	35.30	94.25	Ass. Surg. Hammond .....		37.00	27.30	42.62	35.64
„ Gibson	35.49	18.06	Surgs. De Camp and Wharton, and Ass. Surg. Bailey -		31.05	18.49	42.39	30.64
„ Towson	3333	94.55	Ass. Surgs. Wells and Southgate ....	..	43.80	34.40	62.00	46.73
,, Jesup	31.30	93.47	Surg. Craig ......	48.85	48.54	47.32	45.00	47.43
New Orleans	29.57	90.14	Dr. Barton .......			70.89	50.82	51.85
Key West	24.33	81.52	W. A. Whitehead, Esq. - - - . -					31.39
 
 
APPENDIX.
METEOROLOGICAL REGISTER
FOR THE TEARS
       1822, 1823, 1824, AND 1825,

                FROM

          OBSERVATIONS


 MADE BY THE SURGEONS OF THE ARMY,

                 AT

THE MILITARY POSTS OF THE UNITED STATES.


        PREPARES UNDER THE DIRECTION OF

    JOSEPH  LOVELL,  M.D.,
       SURGEON-GENERAL UNITED STATES AHMT.
9* 
 
METEOROLOGICAL  REGISTER.
                           REMARKS.


   On the question whether  in a series  of years there be  any material
 change in the climate ofa given district of country;  and if so, how far
 it depends upon cultivation of the soil, density of population, &c. the most
 contradictory opinions have  been advanced.   While  one contends, that
 as population  increases  and cultivation extends the climate  becomes
 warmer, another is equally convinced that it becomes  colder, and a third,
 that there is no change in this respect.   These opinions are for the most
 part founded on a comparison of the climate of Europe at the present day
 with what it is supposed to have been two thousand years ago ;  and their
 great discrepancy may in some measure be accounted for from the circum-
 stance, that the facts are few and the period of observation remote ; while
 the changes, if any, have been  exceedingly slow, and their ratio to  the
 alleged causes exceedingly uncertain.
   The United States, however,  appear to offer an opportunity of bring-
 ing the  question to the  test of experiment and  observation.  For here
 within the memory of many now  living the face of whole districts of
 country has  been entirely changed ;  and  in several of the States two cen-
 turies have effected as much  as two thousand years in  many parts of Eu-
 rope.  In this  respect, the  " Landing  of the  Pilgrims" in 1620 is as
 remote a period as that of the invasion  of Gaul or of Britain by Julius
 Caesar.
   The time  for improving this  opportunity, however,  like that for re-
 cording the history, language, manners, and customs of the aborigines of
 the country, is fast passing away; and in a few generations, both these
 sons of the forest and  the interminable wilderness they inhabited will, for
 all useful purposes, be as  though they had never been.  As, therefore,
 the military  posts within the United States afford every convenience for
 making  numerous observations over an extensive district of country, and
 regular diaries of the weather have for some  years past been kept at most
 of them, the following tables have been prepared in the form that appears
 best calculated for reference,  in order to preserve the facts thus  collected.
   The first twelve tables for  each year give the mean of the observations
 at the several posts for each month, and the thirteenth, the mean for the
 wjiole year.   The last, or general table  gives the average of all the ob-
 servations at the several  stations, and also the average for the  several
years, calculated in the manner stated in page 104.  Should it be practica-
ble to obtain similar observations for eight or ten years, it is proposed to
collect, if possible, such as may have been made at an early period after 
104              METEOROLOGICAL REGISTER.

the settlement of the country, in order to ascertain what changes, if any,
have taken place, either in the  mean temperature,  the  range of the ther-
mometer, the course of the winds, or the weather, in the Atlantic States.
   The posts at which these observations were made are situated between
27° 57' and 46° and 39' of north  latitude, and between 67° 04' and^ 94°
43' of longitude west from Greenwich ; embracing an  extent of  18° 42'
of latitude, and 28° 39'  of longitude.  The elevation of the north western,
or  interior, stations above those on  the Atlantic coast has not been ac-
curately ascertained ; the following however  is believed  to be near the
truth.  Fort Brady, situated at the outlet of  Lake Superior, is 595 feet
above the level of tide water ;  Fort Howard, at the southern extremity of
Green  Bay, which empties  into Lake Michigan, 6©0  feet; Fort Craw-
ford, at Prairie du  Chien, near the junction of the Wisconsin and Missis-
sippi rivers, 580 feet;  Fort Snelling, near the junction of the St. Peters
and Mississippi rivers, 780 feet;  Council Bluffs, a  few miles  above the
junction  of the Platte and Missouri rivers, 800 feet.  Baton Rouge, on the
Mississippi, 120 miles above New Orleans, and Cantonment Jesup, near
the Sabine river, 25 miles from Natchitoches, are in Louisiana; Canton-
ment Clinch near Pensacola, Cantonment Brooke near Tampa Bay, and
St. Augustine, in Florida.  Fort Moultrie is in the harbour of Charleston,
South  Carolina ; Fort  Johnston near Smithville, North Carolina ; Fort
Severn at Annapolis, in Maryland ; Fort Mifflin in the Delaware, 6 miles
below  Philadelphia; Fort Columbus in the harbour of New York ; Fort
Wolcott in the harbour of Newport; and Fort Sullivan near Eastport, in
the state of Maine.  The observations at the  city of Washington are  in-
troduced by way of comparison, as the latitude  of this city is very nearly
the same with  that of the centre of the several  military posts.  They were
made by  the Rev.  Mr. Little, by  whom they  were very politely furnished
for the present purpose.
   Although from the circumstances under which these  observations were
made at several of the posts, they may not  be  as accurate as could be
wished,  yet they are, perhaps, sufficiently so for the purpose of general
abstracts ; for the  mean  of  each month being deduced from 90, and of
each years from 1095 observations, occasional errors would not materially
affect the general result.
   The chief object at present  being to  record facts, the following re-
marks  are  premised  merely for the convenience of  those who maybe
curious in these matters without wishing the trouble  of  tedious calcula-
tions.   In order to ascertain the means for the several years, as  given in
the last table, the extreme stations are taken, and as  many intermediate
ones, at the north  and  south respectively, as  are found to be equi-distant
from them,  or nearly so.  Thus in 1822, Fort Snelling is the  extreme
northern, and Cantonment Clinch  the extreme  southern, post;  Council
 Bluffs is 3° 28' south  of the former, and Fort Johnston 3° 36' north of
the latter, &c.   The aggregate of these should give the mean of the centre
 of the district of country in which the observations  were made ; and the
 result appears to be near the truth.  For the  latitude of the city of Wash-
 ington is 38° 53',  and the average mean temperature is 56.56 ; the centre
 of the several stations at which these observations were  made is in lati-
 tude 38° 13', and  the average mean temperature is 56.52.   In comparing
 the eastern and western  posts, those in  about  the  same latitude  are of
 course taken ; thus, Council Bluffs is 24° 25' west, and but 0° 05' north, 
:EMARKS.
105
of Fort Wolcott; Fort Snelling is 26° 04' west, and but 0° 09' north, of
Fort Sullivan.   To prevent the constant repetition of the terms East and
West, the numbers only are stated; it being always understood that the
first relates to the  East and the second  to the West;  thus, in January,
1822 the means are stated to be 22.20 and 16.25, that is, 22.20 at the East,
and 16.25 at the West.
   In 1822 the  aggregate mean  temperature of the year was 57.06; the
highest degree 108 ; the lowest -29;  and the range 137.  The propor-
tion of winds was N. 5.07, S. W. 4.95,  N.  W. 4.93, S. 4.60, S. E. 3.39,
W. 3.10, >*. E. 2.67, E. 1.7U-  The proportion of weather, Fair  18.90,
Cloudy 5.03, Rain 5.63, Snow 0.85.  At Fort Snelling, Ihe most northern
station, the mean for  the  year was 44.32 ;  the highest degree 92, the
lowest -29, and the range 121.  At Cantonment Clinch,  the most southern
station, the mean for the year was 68.97, the highest degree 93, the  lowest
20,-and the range 73.   On comparing the eastern and western posts, it
appears  that at the former the mean temperature of the winter months is
much higher, and that of the summer months  much lower, than  at the
latter.  Thus in January it is 22.20 and 16.35, February 27.40 and 26.40,
March 35.52 and  41.10, April 42.31 and 46.53, May  55.21 and  62.60,
June 62.63 and 72.10, July 68.33  and 77.54, August 66.52 and  75.02,
September 63.54 and 64.19,  October 51.25  and 45.84, November 42.49
and 32.96, December 29.55  and 8.03.  During the six  winter months
the means are 34.73 and 28.44 ; being 6.26 higher at the east, and  during
the summer months they are 59.76  and 66.33 ;  being 6.67 lower  at the
east  than at the west; making but a fractional difference for the year,
which was 47.24 at the east and 47.38 at the west.  The highest degrees
were 88  and 108, the lowest -9 and -29, the  ranges 97 and 137; and it
was greatest at the west, not only for the year, but also for every  month
except July and August, when it was about the same.   The course of the
winds was N. 3.54 and 5.08, N. W. 6.29 and 7.25, N. E. 1.91 and 3.08,
E. 1.21  and 0.96, S. E. 1.79 and 3.63, S. 5.04 and 3.04, S. W. 7.37 and
5.37, W. 3.26 and 1.96. Weather, Fair 18.34 and 19.75, Cloudy 7.37 and
4.17, Rain 4.00 and 4.33, Snow 0.34 and 2.16.  Prevailing winds at the
east, S. W., N. W. and S. at the west, N. W., S. W. and N.  The pro-
portion  of fair weather and  rain  was nearly  equal; of cloudy weather
much more, and of snow much less, at the east.
   In 1823 the aggregate mean temperature of the year was 55.22 ; the
highest degree 100 ; the lowest -38 ; and the  range 138.   The propor-
tion of winds was S. W. 7.22, N. E. 4.S4, S. E.  4.10, N. W. 3.85, S.
3.19, N.  3.15, W. 2.29,  E. 1.65.  Weather, Fair 16.48, Cloudy 6.16,
Rain 5.98, Snow 1.77.  At Fort Brady,  the most northern post, the mean
of the year was 39.66 ; the highest degree 90  ; the lowest -30 ; and the
range 120.  At Cantonment Clinch, the most  southern station, the mean
was 68.25; the highest degree" 94; the lowest 11 ;  and the range 83.
On comparing the eastern with the western posts, the mean of the  winter
months for this year also is higher, and of the summer months lower,  at
the east.   Thus in January it is 24.12 and 21.05, February 21.90 and
15.52, March 32.65 and  32.42, April 42.41 and 48.82,  May 51.19 and
57.02, June 64.60 and 72.50, July  66.76 and  75.36,  August 66.65 and
72.89, September 58.79 and 60.14, October 49.92 and  49.12, November
35.79 and 35.67, December 32.05 and 23.77.  During the winter months
the means are 32.73 and 29.61, being 3.12 higher at the east; and  during 
106              METEOROLOGICAL KL'Uiy'l'L'ff"'

the summer months 58.40 and 64.45, being 6.05 lower at the east.  The
means for the year are 45.50 and 47.03, being 1.53 higher at the west,
where the winter was comparatively warmer than in 1822.  The highest
degrees  were 90 and 102, the lowest -10 and -30 ; the  ranges 100 and
132.  Course of the winds, N. 3 and 2.03, N. W. 7.50 and 2.79, N. E.
2.83 and 6.87, E. 1.24 and 1.87, S. E. 1.83 and 2.23, S. 5.08 and 3.20,
S. W.5.95 and 9.50, W.  2.95 and 1.83.  Weather, Fair 15.12 and 18.41,
Cloudy  9.62 and 7.95, Rain 4.16 and 2.40, Snow 1.50 and 1.58.  Pre-
vailing winds at the  East N. W., S. W. and S.; at the  West S. W.,
N. E. and S.   The proportion of fair weather was considerably less, of
cloudy weather and rain  considerably greater, at the east; the proportion
of snow about the same.
   In 1824  the aggregate mean temperature of the year was 55.56;  the
highest degree  96 ; lowest -33 ;  and the range 129.   The proportion of
winds, S. 5.33, S.W. 4.73, N.W. 4.65,  N. 3.85, S.E.  3.83, W. 3.40,
N.E. 2.84, E.  1.79.  The proportion  of weather, Fair 17.55, Cloudy
5.03, Rain 6.29, Snow 1.49.  At Fort Brady, the most northern post,  the
mean temperature  was 40.94 ;  the  highest degree 89, the lowest -33 ;
and the range 122.  At  Cantonmont Clinch, the most southern station,
the mean temperature was 69.10, highest degree 95, lowest 24, range 71.
On comparing  the eastern and western posts, the means for January were
27.22 and  25.82, February 26.62 and 22.70,  March 33.45 and  28.45,
April 44.12 and 44.78,  May 50.61 and 58.43, June  60.77 and  66.28,
July 67.49 and 74.49, August 65.61 and 71.53, September 60.44  and
62.00, October 49.96 and 46.91, November 38.50 and 30.28, December
32.41 and 26.53.   During the winter months the means were 34 69  and
30.11, being 4.58  higher at the east; and during the  summer months
58.17 and 62.92, being 4.75 lower at the east.   The means for the year
46.43 and 46.51, a difference of but 0.08.  The highest degrees were 86
and 103, the lowest-19 and -21, the range 105 and 124.   Course of the
winds, N. 3.16 and 4.45, N.W. 6.83 and 1.20, N.E. 2.58 and 6.70,
E.  1.50  and 1.00, S.E. 1.70 and 1.87, S. 4.28 and 6.78, S.W.  6.33  and
8.12, W. 3.45  and 0.36.   Weather, Fair 16.58  and 18.04, Cloudy 8.50
and  7.04, Rain 4.70 and 3.33, Snow 0.70 and 2.08.   The prevailing
winds at the east were N.W., S.W.,  and S. ; at the West S.W., S., and
N.E.  The proportion of fair weather was less, and of  cloudy weather
and rain greater, at the east, the proportion of snow much less.
   In 1825  the aggregate  mean temperature of the year was 58.27 ;  the
highest degree  102 ; the  lowest  -25 ; and the range 127.  The propor-
tion of  winds,  S.E. 5.52, N.W. 4.81, N.E. 4.72, W. 3.24,  N. 3.23,
S.W. 3.09, S.  2.79, E. 1.45.  The proportion  of weather, Fair 16.91,
Cloudy 5.67, Rain 6.49,  Snow 1.32.   At Fort Brady, the most northern
station, the mean for the year was 40.60 ; highest degree 89 ; lowest -25 ;
range 114.  At Cantonment Brooke, the most southern station, the mean
for the year was 72.37 ; the highest degree 92; the lowest 40 ; range 52.
On comparing the eastern and western posts, the means in January were
26.34 and  17.63, February 27.67 and 29.58, March 36.89 and  38.31,
April 45.12 and 57.32,  May 53.37  and  63.94, June 65.04 and  71.86,
July 70.98 and 75.42, August  68.12 and 74.83, September 59.86  and
63.60, October 51.94 and 50.36,  November 41.13 and 38.50, December
31.65 and 19.26.   During the six winter months the means were 35.94
and 32.27, being 3.67 higher at the east;  and during the summer months 
REMARKS.                        107
60.41 and 67.83, being 7.42 lower at the east.  The means  for the year
were  48.17 and 50.05, being 1.88 warmer at the  west;  the highest
degrees were 94 and 102, the lowest -5 and -25, the ranges  99 and 127.
The course of the winds was N. 2.91 and  4.03, N.W. 6.25 and 5.74,
N.E. 3.50  and  2.16, E. 1.54 and 1.50, S.E. 1.62 and 4.58,  S. 3.62  and
5.29, S.W. 7.83 and 4.37,  W. 3.54 and 2.66.  Weather, Fair 16.53 and
16.25, Cloudy 9.62 and 6.62, Rain 3.62 and 6.12, Snow 0.60 and 1.41.
Prevailing  winds at the East S.W., N.W., and S.; at the West N.W.,
S., and S.E.  The proportion of fair weather was about the same ; of
cloudy considerably greater, and of rain and  snow much less, at the east.
   By the last table it appears that  the aggregate  mean temperature  was
highest in 1825 and lowest  in 1823, there being however but a fractional
difference between this and the following year. The average  of the whole
period is 56.52, being about one degree lower than at Bourdeaux in  lati-
tude 44° 50'.  The range  was greatest in  1822  and 1823, and nearly
equal ; and several degrees less in 1824 and 1825, being least  in the latter
year.  The N., N.W., and W., and E. winds are most uniform in the
several years ;  the rest are more  variable.  The prevailing winds are
S.W., N.W., and S.E.  The proportion of  fair weather was greatest in
1822 and least  in 1823, which however differed  but little  from  1825.
The proportion of cloudy weather, rain, and snow, is pretty equal, except
that there was much less snow in  1822. " The aggregate mean for the
whole period was, Fair 17.46, Cloudy 5.47, Rain 6.10, Snow 1.36.
   In  1822  the mean  temperature at the east  and west was nearly equal.
In 1823, 1.74 lower at  the  east, and but 0.33 lower at the west, than in
the previous year ; the winter being comparatively milder at the west.   In
1824, the mean temperature was again nearly the same, but about one degree
lower than  in 1822.  In 1825, it was higher than in any previous year,
and  1.88 higher at the  west than at the east.  The average  for the  four
years was 46.83 and 47.74, being 0.91 higher at the west.  In 1822, the
range was 40°  greater  at  the west;  in  1823  it was  32°  greater; in
1824, 19° ; and in 1825, 25°.  The greatest proportion of fair weather,
both at the  east  and west, was in 1822 ; with rather the most  at the west.
In 1823, there was much less at the east and somewhat less  at the west,
than in the  former year. In 1824, there was rather more at the east  and
about the same  at the west as  in 1823 ; and in 1825 it was about the same
at the east  and considerably less at the west,  than in the previous year.
The proportion  of rain was nearly the same at the east during the  four
years, but somewhat less in 1825.   There was a great difference at the
west, being much greater in 1825, than in any other year, and much less
in 1823.  The proportion of snow  was much the greatest at the east in
1823, and least  in  1822 ;  at the west it was greatest in 1822 and  1824,
and least in 1825.  The average for the  four years was, Fair 16.64 and
18.11, Cloudy 8.86 and 6.44,  Rain 4.12 and 4.04, Snow 0.78 and 2.05;
being rather more fair and less cloudy weather, with about the same  pro-
portion of rain,  and much more snow, at the west.
  The following table may serve to compare the annual mean  temperature
at some of the  military posts in  the  United States, with that at several
places on the other side of the Atlantic, and shows that it is considerably
greater at the latter, and especially in the higher latitudes. 
108              METEOROLOGICAL REGISTER.
PLACES.	North Latitude.	Longitude.	Mean Temper-ature.
Petersburg ....	59 56	30 24 E.	38 80
Stockholm ....	59 20	18 00 E.	42 39
Edinburgh -	55 57	3 00 W.	47 70
Berlin.....	52 32	13 31 E.	49 00
Leyden .....	52 10	4 32 E.	52 25
London - - - - -	51 31	. . -	51 90
Rouen .....	49 26	1 00 W.	51 00
Paris -	48 50	2 25 E.	52 00
Vienna .....	48 12	16 22 E.	51 53
Nantes -	47 13	1 28 E.	55 53
Poitiers ....	46 39	0 30 E.	53 80
Fort Brady -	46 39	84 43 W.	41 37
Padua -	45 23	12 00 E.	52 20
Fort Snelling	44 53	93 08 W.	45 00
Bourdeaux ....	44 50	0 26 W.	57 60
Fort Sullivan - - - -	44 44	67 04 W.	42 44
Fort Howard - - - -	44 40	87 00 W.	44 50
Marseilles - - - -	43 19	5 27 E.	61 80
Fort Crawford -	43 03	90 53 W.	45 52
Fort Wolcott	41 30	71 18 W.	51 02
Council Bluffs -	41 25	95 43 W.	50 82
Pekin.....	39 54	116 29 W.	55 50
Washington - - - -	38 53	76 55 W.	56 56
Algiers - - - - -	36 49	2 17 E.	72 00
Fort Johnston -	34 00	78 05 W.	66 68 '
Cantonment Clinch	30 24	87 14 W.	68 77
Grand Cairo - - - -	30 00	31 23 E.	73 00
St. Augustine -	29 50	81 27 W.	72 23
  From this it appears that in the higher latitudes the average difference
for the same degree of mean temperature is 14° 30', and in the lower ones
7° 30', the mean of which is 11°.  Thus the mean temperature a^ Stock-
holm, in latitude 59°» 20', is about the same as at Fort Sullivan, in latitude
44° 44';  while that at Rouen, in latitude 49° 26', is  about the same as at
Fort Wolcott, in latitude 41° 20';  and at St. Augustine, in latitude 29°
50' it is but 0.77 lower  than at Grand Cairo, in latitude 30°.

                                             JOS. LOVELL.
   Washington, September, 1826. 
	THERMOMETER.					
	Mean Temperature.					
TLACES						
OP				eo 3 eo rt	ft	eg u
OBSERVATION.	VII.	II.	IX.	£ S 6J>3 a cd i	"3 X	•a % a ,-1
Fort Snelling	6.58	17.54	10.93	11.68	46	-25
Fort Sullivan	15.03	20.93	17.64	17.86	40	-9
Fort Howard	7.19	18.61	13.80	13.20	53	-23
Fort Crawford	8.48	23.03	13.09	14.86	57	-19
Fort Wolcott	24.45	30.87	24.31	26.54	45	0
Council Bluffs	13.00	29.67	20.41	21.02	59	-16
Fort Columbus	21.00	33.45	23.96	26.17	60	-1
Fort Severn	25.80	33.32	28.74	29.28	44	8
Fort Johnston	46.64	54.25	50.09	50.32	58	26
Baton Rouge	48.03	58.03	51.06	52.37	70	30
Canton. Clinch	46.57	58.83	50.16	51.85	70	-*-
JANUARY.
71
49
76
76
45
75
61
36
32
40
48
N.
WINDS.
N.W.
N.E.
Days.
 3
 4
 2
 4
 2
 2

 4
16
Days.
 9
 3
14
13
14
15
11
 4
Days.
 1
 2
 6
 1
 3
 2
 1
 2
 1

15
E.
S.E.
S.W.
w.
Days.
Days.
Days.
Days.
Days.
 5
 1
 3

14
 3
 7
20
 5
N.W.
S.W.
N.W.
N.W.
N.W.
N.W.
N.W.
 N.
S.E.
N.E.
WEATHER.
Fair.
Daya.
13
14
13
15
20
22
19
17
17
18
22
Cl'dy.
Rain.
Days. Days.
Snow.
Days. 
110            METEOROLOGICAL REGISTER FOR  1822.
H <		■3U!Ij'BA8J(J	iZ ...... '3 ss.£S----£"
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METEOROLOGICAL REGISTER FOR 1822.
WEATHER.	•SlUl'EADJJ			.Sr^.t:'........ Pn o Ph
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PLACES OF OBSERVATION.				Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Columbus Fort Severn Fort Johnston Baton Rouge Canton. Clinch
 
.11
Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Columbus Fort Severn Fort Johnston Baton Rouge Canton. Clinch	PLACES OP OBSERVATION.			
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Fort Snelling Fort Sullivan Fort Howard Fort Crawford* Fort Wolcott Council Blulls Fort Columbus Fort Severn Fort Johnston Baton Rouge Canton. Clinch	PLACES OF OBSERVATION.			
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•2281 H03 H3J.SI03H  irvnTnn-jpMn-j .rrtva 
AUGUST.
PLACES OF OBSERVATION.	Mean	THERMOMETER.						WINDS.									WEATHER.				
		Temperature.		p n! £ s?| <c i	eo eo bo C£ 13 ■G OD X	a> <-, bo a> % O rJ	cm a cd «	N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.	hn a '3 > <o Eh Ph	Fair.	Cl'dy.	Rain.	Snow.	bj) _g '5 > eo
	VII.	II.	IX.																		
								Days.	Days.	Days.)	Days.	Days.	Days.	Days.	Days.		Days.	Days.	Days.	Daya.	
Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluti's Fort Columbus Fort Severn Fort Johnston Baton Rouge Canton. Clinch	66.74 57.45 G4.51 63.80 70.09 70.00 69.09 73.64 79.67 77.41 79.25	81.74 73.00 76.77 84.64 76.03 87.96 83.93 80.90 82.48 86.35 85.06	69.83 56.19 67.51 68.67 06.29 73.87 70.93 77.16 79.64 79.45 82.35	72.77 62.24 69.59 72.70 70.80 77.27 74.65 77.23 80.59 81.07 82.22	89 88 89 92 85 104 94 89 87 90 89	56 52 G2 51 63 61 60 69 70 76 77	33 36 27 41 22 43 34 20 17 14 12	7 4 4 3 5 13 4	1 4 10 3 3 9 1 1 3 4	4 13 1 6 1 1 4 3 8	1 1 4 2	4 1 8 4 5 6 8 5 5	7 12 1 6 2 9 14 3 9 8 2	4 2 17 4 12 10 1 4 4 5 12	7 3 2 2 4 1	s. s.w. N.W. S.W. S.W. s. S.E. N. S. S.W. i	21 22 15 17 20 26 25 27 14 21 16	8 5 8 4 5 2 5	10 1 11 6 7 4 4 12 10 15	-;	Fair: » » i> n !» » » >>
																					
 
SEPTEMBER.
	THERMOMETER.							WINDS.									WEATHER.				
PLACES	Mean	Temperature.						N.	N.W.	N.E.	E.	S.E.	s.	S.W.	W.		Fair.	Cl'dy.	Rain	Snow.	
																					
OF				3 he g«	1) bo	eo 60										hi) G					bi c
																					
OBSERVATION.	VII.	II.	IX.	hir-< = CO		•O o rH1	CO be c cd «	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.	'3 CO	Days.	Days.	Days.	Days.	cd > eo
Fort Snelling	53.83	70.60	57.33	60.58	83	35	48	4	5	2	1	1	6	6	5		20	4	6		Fair.
Fort Sullivan	54.06	68.72	54.06	58.48	76	36	40	1	5	1	.	.	15	2	6	s.	19	H	-	-	
Fort Howard	51.46	66.36	59.73	59.18	80	40	40	2	.	6	.	.	1	19	2	s.w.	12	8	10	-	
Fort Crawford	52.10	72.03	59.36	61.16	86	37	49	.	15-	1	_	7	3	4	-	N.W.	21	5	4	-	
Fort Wolcott	67.06	74.20	64.50	68.58	80	51	29	2	4	.	.	7	3	13	1	s.w.	22	3	5	-	
Council Bluffs	58.70	79.80	04.93	'67.81	93	48	45	4	7	2	.	1	6	10	.	S.W.	25	3	2	-	
Fort Columbus	71.06	76.06	65.54	70.88	89	50	39	.	.	1	2	12	5	7	3	S.E.	24	-	6	-	
Fort Severn	69.06	76.00	72.02	72.36	86	60	26	6	2	1	2	9	8	1	1	S.E,	23	<>	5	-	
Fort Johnston	71.23	79.80	77.33	76.12	86	67	19	7	3	2	2	.	7	2	7	-	15	8	7	-	
Baton Rouge	70.26	83.30	74.90	76.15	91	58	33	5	2	3	6	2	4	5	3	E.	27	1	2	-	
Canton. Clinch	72.86	85.46	75.46	77.92	93	64	29	4	7	1		15	2		1	S.E.	24		6		
 
Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Woleott Council Bluffs Fort Columbus Fort Severn Fort Johnston Baton Rouge Cant. Clinch	PLACES Of OBSERVATION.			
©C7i©tnCnCOCJiCOCOif*CO ir © ^! CD W (O t- «J ») M Oi o -j o o ca c c <i bi b -4 ©ifktO^tOCOr^^r*©^	<i		p 3 ■-3 3 •O P C CD	o 3 H r"*
<f~5»j©©Cn©oiOiCJ<tn ODCOjf*cncncotocotOif*© ooao©©©©to©*M©<i co~i©©©©cn©t»co©	-			
©©<ftntnif*tnir^ir^i(*if* Ol^MJO^jpcCMOUr' 00 if* to CO © CO © CO tn to to Ont003OMir.(3rji^«lcvl	p.			
©©^5©tnit*Cnir^4^i^.ii* !OfllO"IO(OOl^MO)(5 bo©<itnrH^-oocoir^©cn <c~ICOtn©C0C0~I<!00©	Aggregate Mean 'J'emperature.			
0r)0000QOQO0O~J0OVf©OD oowif^oacocorH^mo	Highest degree.			
r^r^tn^eOtCJCOr-rH^rH ©©rH^<jjflostO<!lf*Cn	Lowest degree.			
if*eowcoif*©if*©©**© tOCOCO©COr-~JtO©tOOT	Range.			
cooocot^to>f*lf*co■ toco		3		2 o
©if*>f*©eo©wrHtoooto	a p	2 3		
WOiritO(r>tS<!c«(30r'CO	a	hi		
"-■ ir* to CO if* ' ' ' ' CO '	c p	H		
OOCJHHrS^HtOl tOCO	a			
tOrHtOQO©rf*tO' ■ . Cn '	o	m		
l-H l-H tOOir- C0t0rHtot0COlf*Cn	a p •<	tn 3		
i-HK-rHH-©' CO if* 00 © tO	p	%		
-„<■?-< *****	Prevailing.			
tototorHtsto — to toto >(*©toaocoif*-^©co©co	Days.	p		3
tOlf*COCT>if*Cn©tDGDODlf*	Days.	o •<		
cn^©aoif*toootocoeoi-i	"5	p 3		
■ ■1.....to • co	a p	cn a o 5"		
to ° to -re*- r*	Prevailing.			
•SZ8I H03 H3XSI03H TV010070H03X3JM
811 
Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Columbus Fort Severn Fort Joinston Baton Rouge Canton. Clinch	PLACES OF OBSERVATION.			
©cn©cnir*to»f*tococoto r- 00 tO r- CO 00 if* -"J © CO lf>. ©4*bo-<!e©>"*b5<tto©co ©coco©©©©©©©©	<i		P 0 H CD 3 •a CD rj P C *i a	S O
^!©©tncnif»-cn>f*if*if*CO J3pp<I>F*eOt0tOprn-j ©"-■Gcto"wbocoto<!ir*© ©OCJ©©©©CO©CO©	a			
©©©ei>P*coif*cococoto coco<ito©co©to--©p <x>co"i*bi"o"-itoaocD©to ©ocoo©©co©©©©	p			
©©©e<>f*coif*coeococo tnco©coaotn-j>f*©-^p bo©©bo<wcototoco©tn ©if*cotooo4*tn©to co oo	A egregate Mean Temperature.			
fflODv!Ol«Jffl01C)OlOl» ©©COGOr-.©r*.COaOGDCO	Highest degree.			
1 1 if* if* Cn Ir* CO 1 torn *-*0 ototo©co©coto©cnco	Lowest degree.			
4*COtOtOeO'r5eO~ICntf*00 ©oo^joooototntnoo^i©	Range.			
wcncntotoaocnr-' -3 co		2!		3 3 a 00
CC^WOSWOiOiMi ©CO	o p "Hi	2 "^		
cototoaococnif*co©cO'^	o p	•2!		
tO if* CO r- ■ ■ r- ■ ■ r- to	p •-<	W		
H^. if* CO ■ <f CO tO © » H«	p	CO		
i-H^^.^.en>f*rHtO— coto	e p	CO		
1-03 ' ■ fflOlHHMOl '	a p	00 •		
r-l-HOOtOlf*1 rH © t-e if* ■	O p V:	-p		
to- ^toto*$$'to*$	Prevailing.			
~joooo^cooocnooco<i«a		p p5'		r> H X W t<3
■ CrH|f».rH©ce^4*-~3*'	o p	o □*.		
COtOrHtotOtO©tOlf*©l*»	o p	w p B'		
■ ■ ■ ■ ** ■ ■ CO co ■ cn	p	GO » o 3=		
hrj O rrj 3 3 C! 3 S S 3 £. S- S. P *< r|	Prevailing.			
6TT          '8881 H03 H3J.SI03H TVOlOOIOHOSJiSW 
DECEMBER.
to
o
PLACES OF	THERMOMETER.							WINDS.											WEATHER.		
	Mean Temperature.							N.	N.W.	N.E.	E.	S.E.	s.	S.W.	W.		i Fair.	Cl'dy.	Rain.	Snow.	
																					
OBSERVATIOiN.				3 2 2 tujQ. ga	CO CO t-. to CO	CO										a					60 C
																					
	VII.	II.	IX.	t?£	■&	m				•						a					>
				id i	X	CO !s o	a M	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.	u Cm	Days. \	Days.	Days.	Days.	Dh
Fort Snelling	-3.61	10.25	3.16	3.26	46	-29	75	4	16	1	2	1	1	5	1	N.W.	27			4	Fair.
Fort Sullivan	22.09	28.29	23.54	24.64	56	-4	60	4	11	.	1	1	3	1	10	N.W.	16	13	1	1	,,
Fort Howard	4.06	14.96	9.19	9.37	44	-20	64	.	.	7	-	.	.	22	2	S.W.	10	16	1	4	Cl'dy.
Fort Crawford	1.32	12.09	5.19	9.53	47	-22	69	3	15	-	-	3	.	5	5	N.W.	21	7	.	3	Fair.
Fort Wolcott	32.61	38.45	32.35	34.47	62	12	50	5	10	3	-	1	.	5	7	N.W.	17	6	4	4	>i
Council Bluffs	7.41	19.93	11.06	12.80	55	-17	72	10	6	7	.	6	.	2	.	N.	24	7	.	-	»
Fort Columbus	30.74	37.55	35.32	34.53	63	13	50	-	7	3	-	5	1	10	5	S.W.	17	5	4	5	„
Fort Severn	36.96	40.74	37.83	38.51	60	16	44	2	8	6	3	3	3	1	5	N.W.	12	11	1	7	»
Fort Johnston	52.00	58.16	54.70	54.95	73	32	41	6	5	1	1	2	10	2	4	S.	9	11	11	-	•
Baton Rouge	48.16	54.90	52.25	51.77	74	18	56	12	4	5	1	4	1	3	1	N.	16	12	3	.	Fair.
Canton. Clinch	52.19	59.45	51.74	54.49	76	20	56	10	3	7	10	1		'		"	11	3	17		Rain.
 
ISI
'8881 H03 H3J.SI03H TV0IOOT0H03X3W 
Fort Brady Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie Canton. Jesup Canton. Clinch	o ca CO ft to < > HH o 2	0	"0 > a ft OB	-
lf*r^lf*lf*>C*tOtO-HtO — H M <<oooip©ao<f©~2if*~j© ©©OOr-to"<!tntO<l"-J*SltO <!©~}©Ol-^©COtO©if*>f*	<		I P S >-3 o 3 •a a 3 c C5	S3 ft o 2 ft r3 ft r"
wcnoioii^cocotocototoeo COOll-HC71lr*CnO*COCnif*lr*© ©©cococntobo°z>©tocoto <O©CnCnif*C0©~3t©©©if* 4	X			
Cntnif*tnir*coCototOrHto — M O 00 r O H O O 00 IO O O r-©ir^toco"—eocobocsbsbo to©aocoto©cn©coif*if*>f*	*			
Cntn>**Cn4*CoeotOtOrHtOtO CO rH Q0 tO ^ _— r- tO <! p >-■ JO nboi'tr'atoiocflis-'OrJ ©O©lr*-JC71r-'-JC0r^t0©	Aggregate Mean Temperature.			
<,<!©©Cnif*.o»cn*»-rf*>**cn If*©©00~44*r^lf*00t0t0t0	Highest degree.			
1 1 tOtOtOlf*t0rHrH| tOrn| COt0t0©0D©t000~Jrn©©	Lowest degree.			
wcn4*tototo>t»-©rf*©cncn l-.|r^if*00tO00t0t0rHC0t000	Range.			
<IOOlf*©co^oco©lf*, coco	a p	2		3 3 a cc
|f».|fkCOlt*COrnO0a0rn' ©tO	a p	2 3		
t—e t—e lOtOlf*1 CO0O©if*tf*«-0t0r-'	a p	2! ft		
<yi © • ' co * ' ' ' ' co cn	a p	ft		
©COCO1©' 'torn' <ir»	a			
>-> ' l-H©« tOtOrHl , COrf*	a p	cc		
i-h i-h co»r*©co©lf*cocotoao, «-n	a p	3		
CO if* ' 00 CO if* if* ' tOrnoow	a p	3		
***»%**?*•$*. **to*$%$to$$*'	Prevailing.			
IOhMhhhMcJh i-h ©©tocn'rj~i©<Jto©cnoo	a p	ft P		3 ft > P
W 00 if* •-. © © ■ if* tO 00 tO rf*	a p	o d.		
©~JCJ»if*©rf*©1 o» ' o >-•	a p	SO 5'		
■ i i h to ' cn" to <! ** to	a p ><	50 3 O 53		
Snow. Fair. Cl'dy. Fair. »	Prevailing.			
•8881 H03 H3J.SI03H TV0I90T0H03J,3W 
METEOROLOGICAL  REGISTER FOR  1823.                123
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Fort Brady Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie Canton. Jesup Cant. Clinch	O U co ft fa «-! r> 0	0 •4	rj) ft f» O ft X	
ejcTicncnii*coeococor-»OrH OOrf*lf*tnCOtnrHrHtOQOir*rH ^©co*cn*tooococobo©bo*<! to©oooototococnco©~iif*			g p p H I T3 ►1 P C "-1	K ft fa S 0 g « H ft ft
©©Cn©CJllf*lf*lf*if*C0COCO pO0pr-CO©t0<lr-ir*lf*rn CO©*^CO©to"c**r*eOM <?"*»■ CJl©©0O©t0WTrH00Cnr*tn	a			
©©CnC7l>r*COCOCOCOt0t0rH M O _»J JO Ol OI Ol -^ CO OI -* 03 ^i©*-H*-icobocoboco©"—to ~3©COCO©©tOrJ©r-tOtn	P			
©©Oiwi**coeococof0toto cop^}po-4p©oo©tnoop >"* © © "<i if* >— eo bo eo co co "f* HOie-HH(B^(OIJ5H oo	Aggregate Mean Temperature			
<I-J01«JO>OlOSOJOlClOlOl 0000OlC0~i00C0©COlf*rH^.	Highest degree.			
WMUCOMH i- tOlt") ©t0tn©cot0COCO©rn~jco	Lowest degree.			
lr>05UWWir.OJlr*>MCnCI) t0©©~i00©©<l<!tn00CO	Range.			
l-H' H»Cl)HH ' |f».rH|f*C0	a p	3		a CO
Cn" n oi qo Oi «I Cn «4 ' —5 4=*-	a	2		
< |f*CDrHCO©lt*rH©ir*rH'	0 CO **3			
COOl H ' rn r- if* f t-e ' tOtO	a CO	«		
tO if* if* ' if*' tO <l if* ' rH|-H	a CO	CO ft		
tOWr-ao1 Mrr i « OOif*	O P	JO		
i-h I—' rH ©QOt0t0rH^^CO©CTlt3 ■	O to	CO 3		
rH00tO©t-HtoCnC0CO'-'©^J	a p	3		
■°° «r*a^ **\Lr»*	Prevailing.			
rHrHtOr-rHr-t0rHrHrHrHr-tO©rf*a000lf*>— 00©t0t0<!	O p •Hi	ft S. *"i'		H a w w
1—■ H r-1 I—- I—" rn ,£». tO © CO © ' COtOr-tO'	O "3	O "hT		
t-t t—t r- ,-n CH -*" 00 if* W ' OI-MH	a	fa p 5"		
t-^ i ■ ■ i tO CO Cn ' if* <J tn CO	a p	ex a 0		
to9to to -1 V< r| -1	Prevailing.			
"8881 H03 H3.LSI03H TV0I£)0T0H03iL3W
*SI 
• IT
Fort Brady Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie ('ant. Jesup Canton. Clinch	PLACES or OBSERVATION.			
©©©©CnCJ»rS.M*iJ*COC0CO <J©lJ*-r*-tn©l£.tnCO<!>F*rn "r-k>biir^bsbo4*<itotobDif* r^tO©©©©CC©©CO©©	<		2 <» o 3 H ftl 3 "g p c CD	H EC ft fa 3 o w w pa
<J~3©-J©©tn©tntnif*en ©~J--3©tntO~3 OS r-p© tO "f*«©tOiOtO>l*"-<!<!tO©bo rn05COCOW©COCO©CO©©	X			
©~3©©Cntni"*en>f*COCoeo 30 r- if. < CD ^ O) (O W CC OS ^ W 'n b> Vc •— "tO "tO OS "tr> '© "tO -J toco©©©©©co©©©©	s			
-4~J©©OiCni**tni**4^.COCO ©ir-tn<ltDtntotncntopp ©tneotoas<ibsc>bo©oos tO<l©tDtO<l©ir>-©CtOCO	Aggregate Mean Temperature.			
0000-l~I~300-^CO©-3©© ©4*©CO©©©©t0©O00	Highest degree.			
tnCtntnif*COCOtOCO >-■ CO©~JtOCOlr*©00©W-«jaO	Lowest degree.			
tOtO — tOCOlf*lr*©CO~Jlr.© -j ex to-^co©©totorHco©	Range.			
I m HO tO t9 ' ' r-« tOCO	H p e<	2		5 o 5°
HUHHO)C7lOl«)lr ' "3 tO	a <<	2! 3		
r-coto1 -*i © ei to to -j eo •	o p	h		
■ hOhMCOHMh ' COtO	a p	ft		
^©W't9rHtO<I<l' 'tO	o p	w ft		
■ i eoif*' to eo if* co ' <*» ^	o p	Cfi		
HHU ' r- «^©r*toco-^ieo	a p	OQ 3		
■ Cn tO if* " COrH^CO1 to -^	o p •<	•55		
* * *a>* * * ** * to^to' ^^to ' <to' to	Prevailing.			
|_irH»Ol-H|-HrHrHt0rH !-■ I-H OlCJlOOtOW-^tOrHCocOOOOO	O p •<	ft CO		3 ft > EC ft pa
rn^t0©lf*00t00Or-tD0O »	o p	O		
rf*oo' cnoentorneo©!**©	o p	fo a'		
	o p •< ca	CO s o ■*■		
to » to S'SS-33- *" S.- "°	Prevailing.			
CgT            *£Z8I H03 H3J.SI03H IVOIOOTOHOaj.CTW 
MAY.
1 PLACES OP OBSERVATION.	THERMOMETER.							WINDS.									WEATHER.				
	Mean Temperature.			si n £3 ri <o s	F-4 W X	CO be T3 % .3	eo c ri	N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.	a '5 t> u Ch	Fair.	Cl'dy.	Rain.	Snow.	bj> a > u Ph
	VII.	II.	IX.																		
								Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.		Days.	Days.	Days.	Days.	
Fort Brady Fort Sullivan Fort Howard Fori Wolcott Council Bluff's Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie ('nnt. Jesup Canton. Clinch J	40.38 43.58 44.67 52.96 54,80 54.77 61.67 62.77 71.93 74.25 70.41 75.42	57.58 55.29 62.54 60.32 70.90 65.96 68.96 72.00 76.83 76.38 83.22 84.50	42.92 43.96 49.48 51.03 59.77 55.87 60.90 64.70 73.83 74.74 77.67 78.17	46.96 47.61 52.23 54.77 61.82 58.86 63.84 60.49 74.19 75.12 77.10 79.36	76 70 76 83 88 90 89 90 86 82 90 92	29 32 30 39 46 39 40 50 62 66 60 60	47 38 46 44 42 i 51 ! 49 40 24 16 30 32	3 2 6 1 5 7 5	8 5 5 3 9 8 4 4 1 3	3 4 16 1 2 6 7 1 5 2 1	4 2 1 4 1 2 3 3	6 2 3 5 7 5 3 1 7 10 5	8 2 5 5 4 17 5 3	1 2 14 7 5 1 5 12 2 4 6 22	6 6 1 6 7 3 4 2 6	N.W. S. N.E. S.W. W. N.W. N.W. S.W. s. S.E. S.E. S.W.	16 21 20 8 21 15 21 17 21 26 20 23	5 8 16 6 7 7 4 3 2 3 5	15 5 3 7 4 9 3 10 7 3 8 3	■	Fair. » cr'dy. Fair. t, >> 19 )t >»
\ 
Fort Brady Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie Cant. Jesup Canton. Clinch	PLACES OF OBSERVATION.			
-3-5~3~3©~5©~!©tn>£*!n tnCOO'r*00t0r*t0t3-4p© ©osbo<!'^©aocobobotnco oo©©eo©©cotoco©co©	<		g CD P 3 H CD 3 T3 P C CD	r3 K H g O 5 H H to
0000<I<c<!00<!tO©Vl©<J jf*topoppco<!©co©eo«i W©to©toir^co©"<!<)cDbs 00©©©©©©CO©CO©©	r			
r5<l<!V!<!<i©<i©©cntn p ~I CO © rn © jfi. jfi. © CO © CO tncoboii*<f"— © as co tn "-I CO tO©©tn©©©CO©tO©©	X			
<!<!<}<!~j<!©<c©©tntn to-joiacooiooosirOs^jD "<jbo*r>to"s3totDto"*^©<i<i tO<J-<ltO<!tO«lCD<lrHCO<l	Aggregate Mean Temperature.			
COCD0000COCOCO©00©00CO tOrn^ifvCOOTOtOtO©**©	Highest degree.			
<!<[©©cntncnOii"*eoeoeo ©toco©ao©totooototorH	Lowest degree.			
MHHHCOlrCO*-BOl^C\ tototnOOtn©ooiotnOOCnto	Range.			
■ »-■ » ©rHl • ' OIHHH	o p	3		s O CC
if*' ' tOr-r^Cn' C0C0COCO	a p	3 3		
tOtOtO1 <K5C]ih(i)Mhh	X p	3		
i ^ieo' totn' ©■ ■ h if.	D p	W		
©r*©r-^.©t0tnCO' MOl	O p VI	CO		
' tOlr*©tOtO©lr*rni CO©	a p	CQ		
OOt0rHCOtO©l-tO4^>-tOt0	a --<			
1 tO1 tO' M H MriM cOOO	a p	3		
V^**?***?*** M^H* *>WH' r^rt* <	Prevailing.			
_l_il_ii_tototOrH»0rH|-H ~5©00~l©rHCOCO^I©tOif*	o p	s.		3 W > a w
tn' ©~iir*©rnejiao-a©ao	p	o ex		
aoir*©©oeo©totncorHoo	o p	PS 5'		
............	p •<	tn a o		
Fair. Cl'dy.	Prevailing.			
1ST           '6Z81 H03 H3J.SI03W immmminair, 
JULY.
	THERMOMETER.							WINDS.										WEATHER.			
	Mear	Temperature.																			
PLACES				aj				N.	N.W.	N.E.'	E.	S.E.	S.	S.W.	W.		Fair.	Cl'dy.	Rain.	Snow.	
																					
OF OBSERVATION.	VII.	II.	IX.	3 a 2 13 " bo 5* 41 S V- CJ 61 Ph	6 CD eo ■o CD js	a* CJ eto eo ■a to	s bo									bio c '5 >					bo a 3 s» eo
																					
					BO	o i-!	CO	Days. Days.		Days.	Days.	Days.	Days.	Days.	Days.	Ph	Days.	Days.	Days.	Days.	Ch
Fort Brady	60.51	78.79	65.96	68.44	90	50	40	2	6		2	6		3	12	w.	15	4	12		Fair.
Fort Sullivan	58.22	70.75	59.06	62.67	88	50	38	.	3	1	4	.	18	1	4	s.	20	8	3	-	
Foit Howard	65.12	81.32	68.77	71.73	94	50	44	.	.	12	.	.	.	19		s.w.	13	8	10	-	
Fort Wolcott	69.22	75.58	67.77	70.85	82	56	26	2	2	.	1	3	5	18	m	s.w.	14	8	9	.	>>
Council Bluff's	72.19	89.70	75.12	79.00	100	64	36	.	1	.	9	6	15	.		s.	29	.	2	.	„
Fort Columbus	70.45	83.00	71.43	74.96	91	60	31	.	3	2	1	7	5	7	6	.	25	.	6	.	
Fort Mifflin	8019	87.03	79.35	82.19	94	66	28	.	2	8	3	9	1	7	1	S.E.	23	4	4	.	
Washington city	75.41	83.06	76.16	78.21	91	65	26	.3	7	4	-	5	1	11	m	S.W.	15	7	9	.	„
Fort Johnston	78.83	83.22	80.45	80.83	88	72	16	5	.	.	-	1	22	.	3	s.	15	11	5	.	„
Fort Moultrie	80.16	82.92	80.45	81.17	89	75	14	-	.	4	1	11	5	8	2	S.E.	23	1	7	-	
Cant. Jesup	78.35	88.03	82.74	83.04	94	74	20	-	.	-	2	5	8	10	6	S.W.	14	4	13	.	
Canton. Clinch	78.09	86.51	81.16	81.92	94	74	20		4	2		7		18		S.W.	17	4	10		i
 
AUGUST.
	THERMOMETER.							WINDS.									WEATHER.				
	Mean Temperature.																				
PLACES								N.	N.W.	N.E.	E.	S.E.	s.	S.W.	W.		Fair.	Cl'dy	Rain.	Snow.	
OF				5 CS * b<)3<	CO CO t-bu	CO u bj										ho a					on a
																					
OBSERVATION.	VII.	II.	IX.	^H	rc											> eo					tel >
				i	QTJ X	CO o r-	bo □ cs	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Ph	Days.	Days.	Days.	Days.	£
Fort Brady	56.87	73.83	61.83	64.17	88	42	46	1	3		1	4	2	3	17	w.	15	5	11		Fair;
Fort Sullivan	58.00	71.90	56.77	62.22	90	52	38	1	5	2	.	-	16	5	2	s.	20	10	1		
Fort Howard	64.22	76.19	66.87	69.09	86	54	32	-	-	13	.	.	.	17	1	s.w.	16	7	8		
Fort Wolcott	69.58	75.77	67.90	71.08	81	60	21	-	2	1	2	5	6	15	.	s.w.	14	9	8		
Council Bluffs	67.09	88.87	74.16	76.70	100	54	46	8	-	-	7	1	12	-	3	s.	29	2	.		
Fort Columbns	69.50	81.00	69.80	73.43	90	CO	30	1	3	3	3	3	10	4	4	s.	24	.	7		
! Fort Mifflin	74.77	84.64	77.03	78.81	94	60	34	-	5	5	1	9	-	11	-	s.w.	21	5	5		
Washington city	73.48	81.64	74.90	76.67	92	63	29	3	6	4	2	1	1	14	.	s.w.	19	2	10		
Fort Johnston	77.41	82.12	80.22	79.91	85	70	15	5	2	-	3	-	20	-	1	s.	15	7	9		
Fort Moultrie	77.87	82.00	79.64	79.83	84	72	12	-	-	4	7	14	4	2	-	S.E.	26	.	5		
Cant. Jesup	75.58	90.19	83.87	83.21	94	72	22	-	-	4	4	11	4	3	5	S.E.	19	5	7		
Canton. Clinch	77.58	85.45	81.25	81.42	92	72	20		4	1	1	11		13		S.W.	17	3	11		„
 
Fort Brady Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie Cant. Jesup Canton. Clinch	o 00 ID ra to < > o 2	o	r > o S CQ	
-4©<!<t©~3©©Cn4*C>f* *. CO Ol U «l H p JO (D «J p f«J CO if* © OS if* OS to <I "<l if* '© "co ©©©CO©©©©©**©©	•H		as CO p 3 H CB 3 13 P C	r3 H 2 O 35 ra r3 ra to
0O00^~J-J<J<l<l<J©©© rntopDaoeo©©jf*ptoco© 1 Jf*wif*<iif*co'^'°f*©cocn!f* ©coco©©co©to©©coco	X			
«j^<i-^os<l©©tnej<oiw 00 Oi Ol Cl> OS ri h M 00 O H m © i-h boco*f*rHbsco©osif*to oco©©©coco©cocooco	K			
^OlOlW00C0irpMCO*,W <ri<»if*oo"f*to©oo©"f*cDto ©CJlC0©t0<JtOC0rHCn<c©	Aggregate Mean Temperature.			
totoooooooootoco~ioooo~i ©©©©~Jlf*©tO~J©©lf*	Highest degree.			
©cn©©if*cnif*if*if*toeoeo ©oo©-Hto©cn-^©if*cot—	Lowest degree.			
eotototoif*toif*if*eotnif*if* ©to©tncnoocnw~l©-^co	Range.			
I ,_. rn C© Ol ru • ' 4*.|-it0lf*	o p	53		3 o CQ
eo to ' ' W ~j to ' cn1 ooto	O CJ -<	25 3		
Mto©rHto~iaoif*'co©to '	P *«C	2! "m		
tO © if* CO tO ' tO ~J ' tOrHtO	o p •<	S		
cO0D©l-H|-'Cn0O^r*lf', to -J	o p f	tn H		
■ to cn to ■ ' H 00 CJ ' ©to	X p ><	CO		
CO CO if* ' Cn' tOCOCJi©1 i-h	a	CQ 3		
.t0'rf*',,'f*'r-cn*<5	a CO	3		
.-S1.^!»g^*s	Prevailing.			
rHrHtOrHrHrHrHrHl—tOtO tOCnC0COC0-itD~llf*r-t0CO	O p	ra £. 3'		
l-H H if. ** t4 Ol 00 OI ' r-tOlf*©rH	a p	o ci		
<taotn©©<JrHtSif*Cnto©	a p	ft) p 5'		3 ra > *3 ra to
,, 1 1 1 ••■•■■ If*	a p	CQ 9 O		
---------- -.5	Prevailing.			
'8S8I H03 33iLSI033 TVOI0010H03J.3W
oei 
Fort Brady Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie Cant. Jesup Cant. Clinch	o cd tn ra < > O 2S	o	rfl f > CI ra CQ	
©©©©4*0. >^if*cjicoif*eo Sr-irr^r^-JO^COai io tn tn bs "— Cn ""* "co © -J -3 to SoOlf*rHtOlf*tOGOeO©lf*tO	<		3 CD P r"l n> 3 •d CD p c CO	►d s ra PS S o ra rj H
~j<i©©©©Cn©tnif*tnif* ©ooaotornoo<<©--3ptc>p io © "to "to i- "to if* ex 'ex to ao to r-©tntn©totn©©co-Jto	«			
ai©©©tntntntnif*>f*»f*if* qo to © © to >i* © to p © tn © *e*ao©"<!CncoCOto©©>"*© ©©©<I0O©00©if*©0ocn	*			
©©©©tntntntntnif*4*if* oocowpicoaor-pitoto-gto crj(ii"to"cD©to-^©If*tneo4* OSr-©r-if*<ltnCOCD©©CO	Aggregate Mean Temperature.			
moo<i-3-5~5<'cio^5-a©~j ^^^^©OOOTOOtOlf*©©	Highest degree.			
OlOlOi'r-MWCO^MHUM' t0©tO00+*lf*lf*CO00©©©	Lowest degree.			
CotOtOtOif*>f*if'©eotntOtn t04*.tn©t0ic*t0tnif*00©©	Range.			
■ 1 tO CO it* ' ' to to ' co to	a p	f*		WINDS.
lf*l-HeO©COOOlf*tOrHl ©©	a p -<	5<! .3		
tOCOOOrHOOOOtO1 >f*CCif*rn	a	1 H		
nOlOCKH ' rHjO" ' rH"	o p	ra		
l-H HOO M ' COOiarH ' ' tn	O p	CQ ra		
tOlf*r-'CnrHl COOtO' © tO	o p	CO		
0 rr to P rnCnCOrntn©lf*rH|-n_COrH 1 ^		tn		
1 rf* tO If* ' lr HM ' rH|f*^3	X p *<	. %		
t-i m 2 S ^ kpF?^' $*• 3**	Prevailing.			
eo~J~i©COCOCDCDCO-3~}tO	X p	ra		WEATHER.
CO tOrnOO-^©lf*CDCOtO© '	o p	o C*		
cjitoeoeotntooocotoeoif*if*	1 1?	f=3 P 5'		
■ ' ' ■ ■ ' ■ ■ ' to ■ cn	o p	OQ a o		
toto ?' 5'	Prevailing.			
T8I         '8Z81 H03 H3iLSI03H TV01OO1OHO3X3W 
Fort Brady Fort Sullivan Fort Howard Fort Wolcott ("ouncil Bluffs Fort Coluiiibus Fort Mifflin ! Washington city Fort Johnston Fort Moultrie Cant. Jesup Canton. Clinch	OF OBSERVATION.		ra r o ra w	
if*tnlncncoCOCOCOCOtOt0tO ppprnoscntnp-vipao© it*C7l©"^CO>f*©if*CO©<l"-H ©cocooo©©coeoco©o	«3		p a H CD 3 •a a> •H P c -1	H BC K g O g ra H ra
©©©Cnif*cnif*tnif*COCOCO ►f*tnr-p-Ki-^tocoif*~}tneo ©eo©'-jto<!©coto©co"-j to©©©©co^toto©co©	ra			
tnoimcneoojcococotocoto CO to X Ol CO il* ,-J to <( OS p po if>. *r* if- 'co *-j to bs to to '© bo co lf*©©©©©CO©©©©©	p.			
cntntntneoif*coif*cotoeoto Cn00©tn-4tO00 — ppr-p ©ii*bobi"<!r*-to"^-aotDC3'<i tOtn©©Ci©CO>f*if*r-tntO	Aegregate Mean Temperature.			
00<!©<l©<ItnOocntncnif* ©O000tO©tO©<(Cn©rHQo	Highest degree.			
cocococotototo*Hto COtOif*if*lf*©tOOOOOOO©	Lowest degree.			
lf*if*COCOCOlf*CO<cCOif*>f*lf* -g©if*ao©©if*-jcnaocoto	Range.			
ooeoeo-^rS>totoooif*i-H|f».©	o p	2		e CO
oscorHto~^©lf*cooo, toto	o p			
CO' COtOOOOO©eo©rnrni	a p "Hi	ra		
CO ifl HU ■ ' > 1-HrHl i-h 4^	Days. Days.	w		
^r IrHMM ' ©' ' rH©		X M		
r-CnCOtO1 tO • CO* —CO©	e p	CO		
tOTjOO ■ CD CO if* I— GO ~4 C7» •	p	CO 3		
l ^HCOHHirOlWi CO©	O p V3	$		
N.W. s.w. N.W. N. N.W. s.w. s.w-s. N.E. N.	Prevailing.			
»MMHH»H»HWr' H**COif*^JCTitOtOtOCOtn-rjco	o p	ra		3 ra H ra
tOlf*lf*rH©»OtO»J©r-00|i* ** eo to to oo tn to ' © ■ tn co	e p	o d*		
	O P 00	P3 5'		
, , , | r-r-rHr-tOlf*! if*	o p	tn a o J-		
Snow. Fair.	Prevailing.			
•SS81 H03 H3J.SI031I IVOIOOIOHOSJSW         281 
SI
1 T to d to to to to
     O  O O O  O
d d to to <; to
po  P o c < o
33"J^BTJC3Srr




s--0 |.|§  5 i-ggi-g^
C7»«f*if*oieocoeoi-Hcoi—to^
HIOdOcOOrCDWpOip
Cn "rr *-j©C0©©t0©tOtoif*
00©~jeoao©Cnco»f*©©cn
O5©tntnrf*4*cocowtocoto
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cnbibobo"<i©cotoif*ooto<!
lf*r-^J©^I©tntOr-<ltO©
cncncncncococototototorH
©<l©lf*<!t)l>f*-~lpi©O0p
biif*toeotoi-'"<i"f*bo©cob3
r-©©©COr-if»00©©©tO
»J-^©©Cncnif*©tnrS*if*cn
4*©toooco©oo©tototn —
    Aggregate
Mean Temperature.
Highest degree.
Lowest degree.
Range.
mCOOiCOMhoiOOJ'  tf* —4
eocoto©©eorncr,tococoeo
CO' tOrH©C0C0COt0Q0lf*t0
r- • CO if* eo ■  rr en
COCTltOCn^tOWtOtO'  CO ^J
tO -3 CO ■  r-tOCOCn©tD©if*
r- co •  eo to
***^**^^***
Prevailing
u

a

£

R
W
rHcS-rrJMtiriHM ©Cncncnif*©rHr-.e7i©if*to	p "«1	ra E.	
totoif*tooo-'to«a-»joocoif*	a p	"■ci	
eo<itoif*<iif*co»ocn '.com	e p «< CO	ra p 5'	1
• ■ ■ • tO • Cni-H4i.<ic3i©	O p	CO B o Si	
r* 03	Prevailing.		
881               '8Z8I H03 H3J.S103H  1V0I0010H03J,3W 
1'OR THE YEAK.
CO
tU
			THERMOMETER.											AVINDS.				
			Mean Temperature.															
PLACES										N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.	
																		
OP OBSERVATIONS.	rj 3	. CO ■a 3 ~n a	VII.	II.	IX.	3 bog-btin	CD CO Z) TH.	r-	CO									to a '3 fe-ci*
																		
	rj	2				cd i	61) X 90	o ij -30	c ca PS 120	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.	
Fort Brady Fort Sullivan	46°39'	84°43'	33.38	48.72	36.90	39.66				3.08	4.08	0.75 2.50		6.41	3.58	1.58	7.75	W.
	44 44	67 04	37.16	47.75	38.86	41.25	90-10|l00			2.91 17.66		2.16 1.82 0.75			8.16	2.75	4.16	N.W.
Fort Howard	44 40	87 00	37.06	49.97	40.11	42.38	100	-38	138	0.41 0.50		12.00 0.33		-	0.08	16.50	0.66	S.W.
Fort Wolcott	41 30	71 18	46.91	54.46	46.42	49.26	83	2	81	3.08 (7.33		3.50 0.66 2.91			2.00	9.16	1.75	s.w.
Council Bluffs	41 25	95 43	44.04	61.53	48.67	51.41	102	-16	118	3.66 5.09		1.75 3.41 4.66			6.33	2.50	3.00	s.
Fort Columbus	40 42	74 02	40.48	56.88 48.43		50.59	91	3	88	1.33 8.58		4.58 1.00		4.91	3.58	3.75	2.66	N.W.
Fort Mifflin	39 51 75 12		51.27 162.33:52.04 55.21				96	6	90	1.00 |7.41		7.00 1.16		3.83 ' 1.08		6.33	2.58	N.W.
Washington c'y Fort Johnston	38 53 |76 55		52.66 [61.91 155.16 56.57				93	18	75	3.00 ,6.50		5.50 1.41		3.00 1 0.83		9.75	0.41	S.W.
	34 00 |78 05		62.81	68.50 65.83:65.71			88	28	60	S.33 [3.16		0.50 1.41 0.50 11.75				0.91	3.83	s.
Fort Moultrie	32 42 J79 56		62.62	67.27 64.24 64.71			89	19	70	2.33J1.25		7.75 3.58		7.08	3.08	4.16	1.16	N.E.
Cant. Jesup Cant. Clinch	31 30 93 47		60.99	73.76 67.60 [67.45			94	7	87	1.41 1.58		2.00 4.66		6.33	3.08	6.75	4.58	S.W.
	30 24	87 14	63.38	73.96	67.43	68.25	94	11	83	1.83 !	4.16	3.91	1.66	8.83	1.00	8.50	0.41	S.E.
WEATHER.				
Fair.	Cl'dy.	Rain.	1 Snow	tu;
				> Oh
Days.	Days.	Days.	Days.	
12.83	3.08	7.83	6.66	Fair.
17.75	8.75	2.50	1.41	
14.66	9.16	3.58 3.00		
12.50	10.50	5.83 1.58 „		
22.16	6.75	1.33 | 0.16 „		
20.00	1.91	6.83 1.66		
19.58	6.58	3.83 0.41		
15.75	5.58	8.16 i 0.91		
17.41	7.66	5.16 J0.16		
23.91	2.50	3.91 0.08		
17.83	4.91	7.66	-	
18.33	4.66	7.41	"	
 
£. i iiiUKULOGICAL REGISTER FOR 1824.
135
rl H W	'SmiieA.aij			Fair. •i >> Cl'dy. Fair.
	Snow.		1 1-1	N-HH/NricjCflnN-Hr. , , ,
	'3 ___«		>> ri Q	Nrie««nNritocoto«niocD
	3		cd a	i lOCOQONNCOiaOliHCSCOttXO
	'3 rH		>> cd Q	i^'#b-©©^(05i>'#eo©in©© rHjSJrHrHSCtrH^rHC^rHrHCNrHCM
WINDS.	•SuijiBAajj			
	£		>> cd a	N ^< N r(^l H | W 00 rH ,inS*rH
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	is		r-. cd Q	rHCO«*rHCOS<(«rt , T*< T* ,rHrH
cd w H W § o S QS H	■aSaBjj			TjICO—'COtM©00iC'"#CO-cJ(J-.©^ tOCO'cJ,-cH©^cH0O'cHCO'^<>cfl'^l^<'r>l
	•aaiSspisaMcj			H^rtN»00nffl!OO00^«n N« 1 Irn en — en en en en m II II
	•aaiSsp isatiSifj			WNO'c)icO(»N'c)lOCDNrt(»l* ■<*-cHT-fi-tiTHi^rji©mmco£>i>i>i>
	ayeSajSsy			lONniOOl^OSOSCO-TjlOCCN SHOlTflOlOHNrlOnOiOlffl oi N O Tf ^ ri N lO lO 00 lO N oo vri — -^enenenenenennen to totota
	as c-3 3 t. as Q. a ea H a cd a>	d		OOiOOiO^N^McOtJicOWiO^I ■<j<eo©'^iinaoin©©prH©coi» ao to —"coe<«-Htoco"c'co'iri©©*co* rHrHO»(Mc*eoo»eococommmm
		ts		ooNoomeC'cjiosiocotooHO © — «; n n o iq -h n q o t^ to oo t^ t# -ri" -h d n ri -■' «' ^" os* d w i-' c*e*<Meocoeoeo-tri'^«'<tmcDcom
		£		0O©CO^©CO-»H>>©CO©©©<M coppinocoinppoqoqppeo ^*r-*t^*o6-*r-*-'-*ri-^*-"o6-^e* H«HHNSNnconm^iaio
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1 Fort Brady ' Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort. Columbus 1 Fort Mifflin Washingtoncity Fort Johnston Fort Moultrie Canton. Jesup Cant. Clinch	PLACES OF OBSERVATION.			
©enejitneocooitocctototoi-'—. to-3~3©^icnto»f*if*©to**ao<i !c* to to bs bs ao © "to © co ■£* to <i to Wtotnif*<c^}cctO©©tntO©tn	< X		| p 3 H CD 3 ■o -i .p c rj	r3 as PJ to g o -S PJ H Ri F
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©©©tnif.COCOt0C0tOt0t0t0t0 tnp©ao~CO-jao-4©aococotTi "»tOo"t*.if*to"jl'f*bs©i>-eodo'rH OOt0tOtO©-~I<tt0 — ©00, ©©CO	Aegregate Mean Temperaiure.			
-j<too-j©CJitn^!CnenOTt!it->tn COCDr-OtlOOCOOtOOtOCO^lif*	Highest degree.			
1 1 £>. if* it* if* tO tO *—" r-| | r- |—i ©to©©ooif*ooeoao-«.tif*rH©4*.	Lowest degree.			
C0C0lf*C0C0C0if*©C0C;ie31Ol©» ep-i—-©if***r-~jif*~}©to-^oo	Range.			
tOCOrHOOi ■ » CO Ol a m Oi i to	O p	a.		2 cc
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■ 1 1 1 rHr-|fk^}tOlf*©tO©©	a p	Snow.		
to~to9 to S. "• E. a*" ""-".".sass p> r* ? r ■< t"'	Prevailing,			
£81         -M8I HO J H3J.SI03H lVOI30-10H03J,aw 
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Cohiinhus Fort Mifflin Washington city Fort Johnston Fort Moultrie Cant. Jesup Canton. Clinch	PLACES or OBSERVATION.			
S^SSS^^^^coeoeococ: if*<l©tOppHF>.r-:^OJtocn<<© |-JtOCZ)©©o<Jco'uj"f*COtOCO© eoco©eo©cseo©coeoco©©©	<		3 CD P s CD 3 13 CD P CD	ft w o 2 ft ^ ! ft ! r8
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OS © © © tn if* if*, if*- if* if* if* if* if* CO ^ ** ir _W Ul 00 CO vl <! CO » O m (O "wif»w©cow"r>"MOobo"-Hco<jeo tnif*^l-jtntnif*<l©©toooooif*	Aggregate Mean Temperature.			
-JOOOO-5-300—l0OOS»I*5Ol*]O! 00tOr-"<l©©t0t0COtOlf*00COtO	Highest degree.			
Cnif*if*if*COC0C0tOCOtOtOt0t0tO ©0OrH-^ifkif».t0if*tn©if^©tn©	Lowest degree.			
tocoif*coif*if*if*tntotntneoif*co QDlf*©©tO©©OOOOtO©0000©	Range.			1
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Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie Cant. Jesup Canton. Clinch	PLACES OF OBSERVATION.			
~3©<f©oi©tntntncn>f*if.tnif* eoppppr-CO©toptocoi-n<c *f*tn©"f*"»'<!"»'cO"»W00'<!r-.© rHr-©Cn©lf*©COCO©<!©tO —	<		3 p 3 H 3 ■a ri S-c "-1 a	ft o &* E3 H ft to
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•<!~5~3~3©Cncntncntntnif^Cnif* M ^1 » r f p f> _«1 p O) CO _r r M to©bsbstoco©cotn-sjcooobs'<! toto'if*-^to©©©oo<jtn~ir-.^j	P			
<J~3~3-»j©©Cn©Otejitnif*0!if* cn p ir _r- >f. co co u w po jo a ps oo <i cn ^ b bs b b b i- '*■ bi b io bi ©tnto©tocotOif*tn©co~ltDif*	Aggregate Mean Temperature.			
oocotooooooo<ito^ooto©oooo oocntoto©aoco~o;eovitOif*coco	Highest degree.			
©eji©tnif*coif.cococotocotoeo ©00r-CCCO00t0O^J©if*t0~lC0	Lowest degree.			
tococotococnco©cocn©co©tn as*5iHWHO*j-^o>*joo»too>	Range.			
CO Ol H r* » ' ' tOtOtO1 ' rnrn	tJ p •-<	2		3 tn
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1 r-r-Cn' COI-h' rHjOl ||i H O	p V!	3		
* * 1**1 * w a * ^h ^**-^'to^*^*^' -33	Prevailing.			
tOtOtO — r-tOtOtOr^tOtOtOtOrH if*tnif*tn©~ieotoaoi-Htoto©oo	o p	ft p_ *"l'		> H Pi
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■ ■■■•• •......to		Snow.		
to	Prevailing.			
681         *^8I H03 H3iLSI03H IVOIOOIOHOS^aw 
JUNE.
PLACES	Mean		rHERMOMETER.									WINDS.					WEATHER.				
		Temperature.		q;				N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.		Fair.	Cl'dy.	Rain.	Snow.	
																					
or	VII.	II.	IX.	eo 2 can Sr cu r. &£	CD fcfl	eg eo so										t*D a eg >					cub e '3 >
																					
OBSERVATION.				*** c cd		&	c									£					*. 0h
				i	a	J	K	Days.	Days.	Days	Days.	Days.	Days.	Days.	Days.		Days.	Days.	Days.	Days.	
Fort lirady	59.50	67.06	53.66	60.07	84	39	45	1	4		4	6	2	2	11	W.	14	10	6		Fair.
Fort knelling	62.50	72.53	63.06	66.03	85	54	31	1	7	2	.	7	fi	3	4		14	3	13		
Fort Sullivan	52.36	63.96	51.13	55.85	86	42	44	2	4	4	3	1	11	3	9,	s.	15	19!	3		
Fort Howard	54.90	78.13	62.33	65.12	100	38	62	-	1	14	_	m	2	13		N.E.	17	9,	11		
Fort Crawford	61.63	76.66	65.43	67.90	88	45	43	6	.	.	.	3	13		8	S.	12	4	14		Rain.
Fort Wolcott	63.fi 3	71.63	61.93	65.69	80	53	27	3	6	2	3	2	2	12		S.W. 1	16	8	fi		Fair.
Council IJluffs	65.70	72.86	63.80	67.45	97	48	49	-	-	1	4	6	19	.	.	*■	21	5	4		
Foit Columbus	63.76 7 6.04		65.00	68.26	90	50	40	-	12	3	.	5	4	5	1	N.W.	17		13		
Fort Mifflin	72.86 1 82.06		70.80	75.24	94	52	42	-	4	1	.	11	.	14		S.W.	23	.	7		
Washington city	69.46 79.06		72.30	73.60	88	52	36	2	8	3	.	3	2	11	1	S.W.	13	7	10		
Fort Johnston	75.96 80.43		77.53	77.97	92	71	21	6	2	.	2		10	2	8	s.	18	9	3		
Fol-t Moultrie	77.13 83.06		78.50	79.76	91	70	21	-	1	2	3	6	13	4	1	s.	29		1		"
Cant. Jesup	78.90 90.70		84.83	84.81	96	72	21 ;	2	.	2	4	6	13	3		s.	23	1	6		"
Canton. Clinch	76.40 87.06		80.46	81.30	95	74	21 1	-	2		1	2	3	17	5	s.w.	21		9	•	
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Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie Cant. Jesup Canton. Clinch	o a Cfi ft to < > H 5 "2,	0	*d ft > a	
ooaooooo<j~i<!^©©©cn<i© ©©ppcyi-~jptoto<cif*OD©i-n ooeooobotnb©"— cnbstnco-^bs ©tn©©rrio©tOif*~jaoaocoif*	<		2 n a H ct> B •a p c n	H a w 50 o S h H ft w
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ODaoaooovc-j~3»3©©©cn©en rHf*r-tOp-J©p<}aooopooOO 6otncocobif*©-^bto'f*bt5-»j COlf*CntOCOrn©if*©UiCnCOtO©	X			
aoaoOOOO<!aO<!^!*3~3-~I©-J© WOltOtOp©ppr-.r-.pcOp>f* bibbobi— tobscOr^cobbibbi tnco — eoeo©*oto©if*^ctoco©	Aggregate Mean Temperature.			
t©©totocotototooototoaocoao cn — ©o©©©coto©oo.f*©if*	Highest degree.			
-l<!O0<j©<i©©©©incncnif* *jaOW*JOt0H0\c505M0Hfl	Lowest degree.			
rnto — r- totococorHeoif*eoif*co 0Otn©0OW©if*tO-Jif*t0t0r-tn	Range.			
■ i i©tO" ■ co to co ■ 'en'	O CC	2		3j 5 o CO
tO1 ■ rH©tO©' COr ' Cn^ICO	p	55		
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Fair. 99 99 Rain.	Prevailing.			
Xf-l          'f'S81 H03 H3J.S103"  I '  II—illlll I I INI 
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Columbus Fort Mitlliii Washington city Fort Johnston Fort Moultrie Cant. Jesup Canton. Clinch	or OBSERVATION.	*o ft > a w ex	
■<t~J<(Tl»*'~<'©©©©CJ>tn©en pOD-sip — r-©CO©OlC£-^©tO cnb'cncnto©!f*tox"t*'xbenb rHCOO0if*Cn-^tOtncocn<l©if*©	<	p s H 1 •a ri P H 3	J H X ft 50 *•? O sg ft H ft to
00 CO X 00 «J X *J CO «J «J ^ «J »1 «J <J © CO tO X Ci <! p if* p tO CO X © to b tn if* '© <c © © © co bo © '© bs en©r-Q04-ccxcoenx©©if-if*	X		
ODOO<joo<irjos~l©©crsCn©cn r-COCO©Cn©-^rH47'OS^-©©p oobii-'bi©b'©b'r*tnb--3colo cooooo©©oorHeor-if*co^i*ieo	R		
topo©if*p©cnx©-jto©ti oo a, i- ii b '- a r Ic i- b M w « ©-~J©O00X-»}Cn©t0t0~5©^}	Aggregate Mean Temperature.		
COCOaOOOOOaOtOOOtOtOCOtOOO tO©tO©lf*00©C000if*t0©t0r-	Highest degree.		
-4"<l»J<l©©tncntncnif*tnCntn toif*enif*co©oo©ootnODtocorH	Lpwest degree.		
t0tOrHr-t0t0C0Cnt0C0lf*»iCOCO ©toif*.torHootoeo©coif*ooco©	Range.		
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Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie Cant. Jesup Canton. Clinch	o to tn ft < > -3 O 3	0	rj) ft > n w OQ	-3 a n so o b H ft PS
«3-j(<l»I©~3©Cn©cnenentnen COr-if*p©p©©rn©p*otnif* tobstnif*b"toeototobbbicob to©eo©©©co©coeococo©o	<\		n P 3 fc? I 1 P C CD	
ODOO--''-i^500<!^J^3^J^J©03© ©>f*p©p©rn if* © © tO if* tO © bobif*botneob'<itotob©©bi eo©©©©©co©eocococoeo©	X			
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~!<!<!^3©~3©©©©tntn©tn <!~3tnti'00CO>f*if*if* — CO©rr^J bbbi— ©if*i— if* '—■ ao bi © b ao ©OOCn©COif*Cntn©if*.if*coco©	Aggregate Mean 'I'emperature.			
00CO00000O00QO00~J00©0000-<< oo rn <i eo © oo © oo, co to © to if* to	Highest degree.			
©©©©tntn>t*tnif*if*COif*if*ir* toeo-atooooooo©©totototoif*	Lowest degree.			
t0tOtOtOtOCOCOCOCOif*tnif*if>.CO ©ac©r-to©aoao©©ao©tocn	Range.			
■ © to co cn • ' if* en 00 • if*tvtO	D P	2		o cc
Cnif*' <IO)OiOc3Chh i en cn <!	O P •<	£5		
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rHtOl-H c5(ScSrr.HcJ"HHH ©C0lf*00if*t0©tO©CnrH00^rI	X p	pi'		3 ft > i-3 a H 50
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'W8I H03 H3I,SI03H  rIV0ID0T0a03lL3M 
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie Cant. Jesup Cant. Clinch	PLACES or OBSERVATION.			
J5©©©tnif*c)iif*ejiif*co4*.co'L-*-"©©© jo ^pW"->-»o»jp r" r -*i cn io »-h © if* if* © if* bs b co *-,tocorHcocn©ooxcoai4-©to	-h		3 a p a H CD 3 ■a cc p s .*; CO	
-^^■^—i©©©©©C^tnenJ*.iC* CX CO OS w M ft M M O ** M M » <l r ■^rntO©t0COt0r-biif*eoeO© tO^©Cn~^Cncocn©r-rHtocn©	r			
©©©©Cntncn-f*tn*.if*if*.coco tn-t-ppp-r*tocoto-f*©cotoco biitocBascocorHr-bbsbcobo ©citO©-~J©COCO©©<lCOCn~3	p			H ft 50 C ft H ft ft
©©©©CncnoiCncnif*»c-if»if»,-f* 00©00p^©CnrH*r*©*CCnr-|O '-jb'coooto'-'bcobstnbicocobs C0C0CO^3-vItOa0©©C0<0C0t0rH	Aggregate Mean Temperature.			
aoaoooao-a-.i-iao-irq-j©©© CO©tO©i-HtO©lf*JOCO©©00~q	Highest degree.			
►r*if*if*if*cococor-eototoco>oco ©©~ICOr-if*lf*aOlf*-f*if*©tnr-	Lowest degree.			
coif*cocoif*coif*©coif*if*coif*e« ~j©cnrH©aoto©aoco©©eoos	Range.			
' MrMBCO ' ' ©COr-' r- — tO	a p •<	58		
OltXMtSMOOCDMHif. i CO©00	a p	te,		
•^ © © ' ►- ft H ■ ■ ' tO' ' ■	o p	2! ft		
1 M^MH' tO' ' • r-rHl r-	D p	ft		
CO ~I © ' rHCntOrHeotO' tO rn cn	X p	ex ft		5 O OQ
1 co to ^i cn • ©co1 oo1 cn ~* •	o p *<s	CO		
Cncnt0CO©tOrHent0t00E©Cot0	D	CQ 3		
1 H CO ' to' ' if* 10 if* • ^ICOCO	X p ■hJ	3		
	Prevailing.			
t0tOtOt0tOtOtOt0rHHHrH*arH CXC0»"c»niH*3-irsftO>if.O)lfi	O p *< m	P		
> ' r-if*©-*Iif*if*t0C0COlf*'f*©	a a ><	2 d		3 ft >
l-H ©00COif*if»COC3i©CntO©COif*-*J	X a	50 p 5'		
..............	O n	an a o		ft 50
to9to »«>.-<•>••.-»-:;« -to " " -...... r&a	Prevailing.			
t«8l H03 H3J.SI03H 1V0I9010H03J.3W
H*l 
81
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Crawford Fort Wolcott Council Bluffs Fort Columbus Fort Mifflin Washington city Fort Johnston Fort Moultrie ICant. Jesup Cant. Clinch	PLACES OF OBSERVATION.			
cntncntneo>f*totocotototototo pstoeoppopppptntocsiao bcobtnbsif*bo<t<!tn©"<!tD"-n eo©©©©©©co©eo<j©©©	<		3 Q P 3 ct 9 "a ex P C P	H BC ft 50 3 o ft H ft 50
©©©©cnm>f*coif*eoeoeoeoco -aw©to©pp©»^©©©tncn is b b ex -4 b ex b b ic u b a bi ©o©©cocootoocococo©©	s			
©cncncnif*if*if*tOif*eotoeotoco pp©ptototo<ii-'©co©oo© rHtn©r-CO©00tnif*C»blbsit*it. coco©©eo©eo©coco©co©©	p			
©cncn©»t*if*if*coif*eoeocotoco r- <! p © p © tO © tO _r- 5 if* S rn ^tocoi^ixw-^b^jbotntobco lf*lf*CO©00COr-<IrHOS©00©Wi	Aggregate Mean Temperature.			
-3<!<f~j©©©~j©encnit*cnir* ©oo©toi—if*.coto©oo©oo-jao	Highest degree.			
coeoif*if*tototo to »oir-i-OOO*lOftM00HOOH^	Lowest degree.			
if*if*eoeoeoir*eo'~jcocnejitocnee woo©tOif*if*-a©to<i©ooooi-H	Range.			
M r H JON ' ' O*! (Dn05«JM	O p •<	3		o CO
l-H |-H *j ex • coaooco©©rH(ooDcncn	N.W. Days.			
©©tOrHCOl-H' M»HMOI ' CO	O p v:	55 ft		
HlrOl ' ' 'l-ii-Hi I lM,_,l	X P	ft		
to comihhom i coif*i • eo ao	X p •<	tn ft		
t-e ' ft -J <l ' H»H^ 1 • OOCO	X p •<	CO		
W ~5 if* tO Cn CO r- ' 00if*if*C0C0C0	o p •<	CQ		
■ ' cn if* if* ■ to' eoto' cneo©	Days.	**3 '		
V>**2„* * * » *	Prevailing.			
tOtOtOtOtOtOl-HI-HrHrH rHtototoeococoif*—'rH«jocooex	X p •<	P		•3 ft ► H EC ft 50
rH)fk.tOif*CO©CXCntOCXCnaotOtO	a p •<	2		
ooif*©if*if*rH©to©cncoif*exao	a a	50 p 5'		
' ' ■ ' ' ' • cc h <! C7i ' Cn cn	X p	Snow.		
M d * 3---S3SSS S.2S £0	Prevailing.			
SH       'tssi ao3 aSiLsiosa ivoiooiohoSiLsw 
ddtoto-t*ztodtotototototo
ff£SO^OOO =  OOOOg


I  Z 2 \\ | i r-1 sj £ a « £ «
r- 2 =  : 'i 2 ;  g c  ; -j cr. rb"l
"2.5 -"•;. o  = g-'i_B<  --hc
5    3* 2 3  " Hs5'S.sn
Cntnif*C3ltOCOeOtOCOtOtOtOrHto
tOppppipp©lr*tOtOCnpp

eo bo co tn oo "co to © *-h eo © it- '— eo
aOCOOOOO<!COtOlf*tOa>»ar-©Cn
tncxcncncoeocotocotocotototo
Cx~jif*excotn©Oitntnr-©©cn
bbbtocoif*"»}b'totoif*'<!bo©
CO©©tOtOGO>f*'yj©COr-©<(if*,
cxcxcnex>J-eoeotoeotototototo
Ol©if*<!©ppp^J©<]<!tO©

bbbeoiotocnooi—cnlobstoif*
Q0l-H©if*aJt0rHrHOS©Cn-^COtn
    Aggregate
Mean Temperature.
-j-j©<i©encnif*enif*.oi!f*if*r*
lf*Oltn»OtO©COtOi£*tOr^-OOtO©
Highest degree.
Lowest degree.
Range.
tO CX if* eO • ' rHifkCnOlfkaOCOrH	Days.	2	1 5 o CO
•rjif*t0if*©©if*cn©cntooo©«3	o p	21 3	
,f*eorHcneocoto' mmooh^h	o p	Si ft	
■ rn©rnrn til " ' • ' H ' tO	o p	ft	
©CO' r- CO CO CX ' 1-HtO' 1-HtOrn	X p *<s	CO ft	
Mr i rn eo ' to to to ao ■ M ex H	p *«	CQ	
lf*lf*CO' — <J © ' COC0<llf*lf*rH		CQ 3	
to1 ex' ' ' r- ' torn' as CO ^1	o p	|S	
***?*****%> *\Z	Prevailing.		
rHr-tOr-rHtOtOrHrHrH i— r-<i-»j — ©©to©©©if*co co © ~?	o p	P_	WEATHER.
toeoto©ao©-j©rH©oococx '	D p •<	o •*<	
torHoocxcotoeoeoif*if*i-Hif*i—co	X p •<	50 p 5'	
■ ■ i i hi- rco ' u u m ex ex	o p	CD 3 O	
r«0 d CO to is _ 3 SS5--3^S = S s. d: ' cT©	Prevailing.		
K
•tssi  ao3  aaiLsioaa ivoiooioaoSiLSiv               9H 
s s

bcr
2 c
toto<totodtotototototo



rS^!g£S.*3£S»a>M
oti-S  «-- o  •— ^3  o c D -i
°  3  c\
etj S
COCOCOC0COC0if*if*if*if*-if*lf*if*if*
©!-HtOlf*0OtD©l— rn CO if* if* if* ©
                                        O
toeoif*sexcxif*toco©if*if*cnco
if*©to©coi— tocx©co©it*eoto
ooto<<<j-a<i<ccc<iccoo©cooo
~-jeocooo©cnif*cni—©<c<"eoif*
                                        o
l-H|f*Cn©CnrH©if»i-Hi3T©©©if*
if*-i©tnextotocoooco©if*aoco
-3<J~I©©©Cxcncntntnif*Cnif».
WptOtO--if*00<i©COlf*p©00

"*ji-'b©bcO<cCOCOif*i-Hif*©*-H
tocxeocoto©to<icoto©to©<!
Latitude.
Longitude.
©©©©CXif*if*lf*lf*lf*lf*COlf*CO
pcocn©ptoppaoeotop©<i

^bi©cntobsaobito<ito"-aco©
00Cn©tO^J©rH©to-^tnt0t0tn
©©©©exO<Cnif*tnil^if*if*if*if*
pppppptOpppif^rnpO
rn"to*»bbwto©"»aoco©"-,to
©<icx©©cntoODtoif*-a©<iif*
     Asgregate
Mean Temperature.
coeoeococococo©ooc©©aoc©oo
cx©toto©if*©coto©o©©co

                      I      I   I   1   I   I
                           tO I— I-h »0 CO
<!©©©~ioocotoaotor-©toto
r^0DQ0if*CO4^if*lf*©if>00CX60t0
Highest degree.
Lowest degree.
Ranpe.
o
w
H



w
•>
r-tOrrptO    p ^ tl) ID r JO JJ H

                  tnooi-oobrHeneo
                  ooco©cooo©oco
CXtO©C00OtnrHi-HV!tO©©©tn
eo ex ft H if. » JO H » O M N JO p

vboyicobbi-Htooo 'ex't— co b bo
JIICO00COr-CC©CXCOCO©CO©C0
O if. Ol M O O ri H m p O - O JS
b b ex tx b eo b oo b to b b b h
H-ao©©©co©coooeooorH©©
©ppppppptoto    r^J0*^
i-Hlf*bbibtnao"»jif*cn|  ©coco
oiHHOoocoeooiro    ©coco
W if. p p p M to to to p © © jf* JO

Cnbto©bsif*tn©rH©bif*cnb
ooexftftHooftoic)Hi-.oco
p if* if* rn © p © © p to Oi CO <i to
*^to*f*.if*<ibtobbcoco©cn"-H
osoinrexoociiHocoeooooi
rn © tO W rr jo rH © rn jo © tn CO CO

b b b Ih b b bo 'ex b b ^ b eo eo
ao©r-©©©coaorni-Hex©coeo
**%    ***    * y^***   ,

^ to to * 3 *i "^ * ^ * '« '« "<! 3
333:
Prevailing.
r-ptOpenWlf*<i<!<l<cp<ip

bcotnif*bbsbb"<i©btotoi-'
©r-©r-r-©©OOtn©©CXtn©
©<!if*Cn©pextO©Cnif*tOif*<<

f^ftftcxribbbbbftbb-]
r-©©©O500r-©©00©i— r-ex
pOOrjOpHHOcJft

©cxif*©co©bioo-Kj©b
oo©r-©eo©©cocn©©
Prevailing.
Lfl
•fgsi  ao3  asiisiosa  iv 
JANUARY.
hr*.
CX
	THERMOMETER.							WINDS.									WEATHER.				
	Mean Temperature.																				
PLACES OP OBSERVATION.				s « cd 2	eo U on •a X	CO 60 Is o rJ	eo bo a CO «	N.	N.W.	N.E.	E.	S.E.	s.	S.W.	W.	_c 'c5 >	Fair.	Cl'dy.	Rain.	Snow.	bis a 'a >
	VII.	II.	IX.																		
																					
								Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.		Days.	Days.	Days.	Days.	
Fort Brady	13.54	24.96	17.70	18.73	36	-25	61	3	8	2	1	13	1		3	S.E.	10	1	2	18	Snow.
Fort Snelling	8.38	23.35	12.80	14.84	38	-14	52	6	6	2	.	8	4	5	.	S.E.	17	8	1	5	Fair.
Fort Sullivan	17.80	25.74	20.00	21.18	44	-4	48	8	8	2	3	.	3	1	6	.	16	12	.	3	
Fort Howard	11.87	26.80	16.87	18.51	42	-12	54	- i	.	13	.	.	.	18	.	S.W.	22	6	1	2	
Fort Wolcott	28.67	36.39	29.48	31.51	48	14	34	5	12	3	1	1	1	4	4	N.W.	14	10	4	3	
Council Bluffs	13.51	29.58	18.19	20.42	55	-4	59	6	5	.	.	.	16	1	3	s.	24	2	1	4	
Fort Columbus	28.45	37.96	31.83	32.74	47	15	32	-	10	4	3	2	2	7	3	N.W.	21	6	3	1	
Washington c'y	31.00	40.41	34.83	35.41	50	19	31	3	13	4	-	.	1	8	2	N.W.	18	10	1	2	
Fort Johnston	50.32	52.96	51.18	51.82	63	32	31	5	9	4	.	1	3	8	1	N.W.	20	3	7	1	
Cant. Jesup	45.06	60.38	52.64	52.69	77	32	45	2	3	9	.	4	3	7	3	N.E.	17	6	8	.	
St. Augustine	60.29	63.35	59.67	61.10	79	48	31	-	14	17	.	.	.	.	.	N.E.	25	2	4	.	
Cant. Brooke	55.45	66.54	59.25	60.41	74	40	34		4	13		1	5	8		N.E.	18	6	7		>) j
 
*CT
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Washington city Fort Johnston Cant. Jesup St. Augustine Canton. Brooke	PLACES OP OBSERVATION.			
excnexcxeo«otocotOrnrH_ tOOOtOr- **OO-Jpt0©-^p Jf*©tO©tOU>'-ni-n'<lbs — 00 ©~jr-©©©if*excn~3-ato	<		S cn P P H B ■o *i P	pi to g o H PI to
«?©©cxif*co>f*cocotoeoco r-jf*-3-j»f*p©pcx<I©cn cnbsbcoif*i-'bo"r-co©"-Hto vi~i-QCx©if*cxcnexif*©cn	a			
©ex©exeocococototototo to p © If* p r- © © © to ex to bobtobbtov5©"co--i'tn*-H toco—'-j©cncntoexex©©	P			
©©cxexcocococototototo if*ocoif*totototoptopp ©<iboCOrH©tOCD"-HCOtO© HCOUf^rCOncOCiexeXtd	Aggregate Mean Temperature.			
oo<j<l©excxcxif*>e*if*exi^. 0050>CD«)MCOCXCB»}0«]	Highest degree.			
1 t I lf*lf*COtO-H MM | |rH|-H ©©toto©cor-if*t0tocnif*	Lowest degree.			
if*eoif*coif*if*<icoexif*©© ©©©COrHtO©r-©COCXrH	Range.			
				
■ ' to to CO ' <i if* to © ■ to	o p	3		3 o p
if»©coi-H©~iex©' ©©to	a	1 $		
CCOOCxei5 0000tOOOtO<Ir-r-	X »	•a, hi		
■ ' ' 'tOCO' ' i Mhh	X p *<	m		
■ |f»©> I ,5 1 r i MCB M	a p	tn pi		
' • eococor-©' • i-Hcxif*	c	p		
rn' if*tO©CXi-HCXif*tOlf*tO	X p «^ CA	tn		
1 1 1 |—rHl tOCOlf*' COtOlf*	P CO	3		
'^**9-it******* to hi to ^ to hi ■-to ^ to to to	Prevailing.			
H()H rHrHH^ H r-<I©»JtDtOCXif*C000r-tO©	a p •<	to p_ cv		> H W M JO
if*rH|f».tOrHexooootoexi—if*	a p >-<	o G*		
•<!«3'v!«jcxif**oeoif*tococo	o p	SO 5'		
• ' • co if* if* if* if* • ex i-h	o p	tn o o		
Snow. Cl'dy. Fair. Cl'dy. Fair.	Prevailing.			
6H        'sz8i ao3 a3J.si93a ^rvf^-rnfinniLfllK 
PLACES OF OBSERVATION.	THERMOMETER.						
	Mean Temperature.			3 3 2 boa 2| bo" '"a i	CO eo u BO TO in ■C bo X	Co t. bo CO to % o -J	CO bn c cd «
	VII.	II.	IX				
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Washingtoncity Fort Johnston Canton. Jesup St. Augustine Cant. Brooke	24.35 29.45 28.16 28.58 38.03 34.74 38.96 44.09 59.61 56.93 69.28 64.38	39.12 44.22 39.00 42.12 40.45 47.35 50.77 55.12 65.00 72.22 71.58 74.58	29.45 35.22 31.61 31.45 38.12 38.93 41.41 47.41 61.29 64.87 69.58 63.22	30.97 36.29 32.92 34.05 40.86 40.34 43.71 48.87 61.96 64.67 70.14 67.39	52 61 53 60 55 71 69 66 70 82 76 84	6 21 14 18 28 3 30 34 52 44 62 54	46 40 39 42 27 68 39 32 18 38 14 30
tx.
©
WINDS.						WEATHER.				
E.	S.E.	S.	S.W.	W.		Fair.	Cl'y.	Rain.	Snow.	
										ho
					c					a
					H					--
										CtJ
										
Days.	Days.	Days.	Days.	Days.	Ph	Days.	Days.	Days.	Days.	Ph
5	7	2	3	5		20		2	9	Fair.
.	10	5	3	1	S.E.	13	8	10	-	>»
3	4	4	3	4	NW.	14	12	2	3	»
.	.	.	9	_	N.E.	18	6	3	4	>»
1	4	3	7	2	.	20	4	i	-	>»
2	4	3	.	.	N.	6	16	9	-	Cl'dy.
.	.	.	5	4	N.W.	16	7	7	1	Fait.
3	4	3	4	2	N.W.	16	11	4	-	„
.	2	13	.	.	S.	15	10	6	-	„
.	12	4	.	1	S.E.	20	1	10	-	»
.	13	.	5	.	S.E.	20	3	8	-	»
	5	4	15	'	S.W.	15	6	10		>»
 
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Washington city Fort Johnston Cant. Jesup St. Augustine Canton. Brooke	PLACES OF OBSERVATION.			
©©exexif*if*£*>f>eoeoexeo co©eococo©co>f*ex©©-i to©bbitobootncoif*bto ©©eococo©©©©eoco©	<		3 CD a a CO s CD P C= CO	*3 SC ft fS 2 O s» H ft
<i©-j©©©~3cx©ex©if* pcoif*exif*©tocx©toif*p ©<i©beoi--*-Hto"v-"-''r^ao ©©eo©eom©©co©toto	s			
<i©©©cxif*exif*if*eocnco O CI ft r if. _") ft f JX CO r "J bococoboaicoif*btocor^.© ©©©©co©©©©©co©	l-H			
~i©©©exesitnif*if*if*cxif* M -• ft » ft r (O »• ^ JO pi _r k b b h « « '** b '(3 m in b O-J-JiHOOexCXOSCOtOCOr*	Aggregate Mean Temperature.			
oo-3ao--3"*50oao©ao--}ao-*3 ©©t0lf*-~ltO00'rIif*©t0tO	Highest degree.			
os©if*if*eotocotototoeorn ©©©©CntOtOC©©tOlf*ao	Lowest degree.			
toi-HCocoif*cxcxco©*r*if*ex ©©©if*toco©ooif*aoaoif*	Range.			
1 H«)r CO 1 |f».eOl-H|f*rH'	U p	S!		3 3 o tn
to if* ex ' if*©' ex' if*©if*	O p V3	=5		
cooooo-*icoif*tO'*jcnif*tOrH	X •<	2		
© I-' ' ■ ' eOrnrnl (J H H	X p	ft		
1 ©cxrHtoextocorn' 00©	o p	in ft		
tococoocx' 00 H ' CX©i-h	O p	CO		
rn ,_ 1 rHCX-*JtO©CO©COrH	D p	tn 3		
' tOtO' tOrnrn' » CXCOtO	O p	*rS		
*v*w*r ?*%*<> 3ww^^3-a3w3rt^	Prevailing.			
*o_ii_i_ifco*arn.— toto^.-* ©00lf*00©rHO3C0r-©CO©	O p	ft P		3 h > -3 S ft to
exeo~jcxif*if*tcr-' ooif*'	o p	g ci		
extcto<iexif*cnexooto-jrn	o p	to a 3'		
1 1 1 1 MH' HH' 1 W	X 0 •hS	CO 3 O S3		
to r(	Prevailing.			
isi          -928i ao3 aSiisiosa i 
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Blufls Fort Columbus Washington city Fort Johnston Cant. Jesup St. Augustine Canton. Brooke	1 PLACES OF OBSERVATION.			
^■*j«j^i©ex©cxif*'f*cxif* eojf*r- p©-jr-if*-acn<cp ^-©tobstocobob<ceo"--bo O) »I CX - COtOif*©if*cn©©	< X		p a H 3 •□ *j p c	
ao~joo<i~3^c~i©©©©en p p >f* © r- (0 tO p <J p 00 p ©toif*©oo<ieoexb©beo ^cxr-co~i~icnooeoif*cocx	X			
-j^-5-}©ex©tnexif*cx4^ ~3©~jcoto~a©tocx**-jp toto©b>i-H*c*"<ito©if*cnbi tOtOrHr-©ex-JOlCOif*r-rH	p			X ft to g
^^j-^<(os©©Cnexcx©tn 00©-JCOif*tO©©©©©tO *-a-I<5Cocotnb©co"—' b ex Or"CXCB»|HCOr.O)lrOeX	Aggregate Mean Temperature.			o B H ft
CO00CO0000tOCO~J00<I0000 »OrS*©lf*t0©r-C000~jeO©	Highest degree.			
©©ex©if*if*coeococoif*eo OD©O0rH©COO0-vJt0if*.t0©	Lowest degree.			
to—'eotocoif»excocxif*if*ex if*ootoeo©-vieo©©corH©	Range.			
i • corn' ' ' >-> rn rn CX rn	o p	£		
tO i rni ,s*o;©©HH©t0CO	o p *-ci	N.W.		
<llf*COt0COt0COt0<ct0t0HH	•<	25 ft		
CO CO CO tO CX ' rnl I ^.^.^	o p	ft		-55 p
lrHHMOHOHlf.1 1-HOOtO	o p	CO ft		
CXt0CXtOt0~JCOrHl tO©rH	O p •<	ex		
l-H 9~* if^rSlf.r'CDOSr'UtClCnUr.	o p ■h!	tn		
■ rr-MHrcOCO ' • H 00	P	'		
^** * *<% ** P to w * ' to * ^ k * a to	Prevailing.			
tOtOrHtOrnfcOi-'tOtOtO-nr-©if*cxto©if*ex©cxcoi-HCx	o p	to p ►J'	
OS' 00©CXtOOO-»JtOif*©Cn	e p	O CX	
cx-jooco©exooif*if*if*if*©	e p ca	ft p 5'	3 ft >
'	a	ex a o 3	ft
tototo . , . . . 5 ; » s £. p B. ?' 5' r'	Frevailin	B-	
•j^t -joj^i.TQin-JM lV0I0010a03i!3W
*S 
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Washington city Fort Johnston Cant. Jesup St. Augustine Canton. Brooke	PLACES OF OBSERVATION.			
~3oo-j~j~i"-j©©©ex©© oo©cx©to©p<itop©© "-■toif*"»3exbtoi-'"»"<!coeo cococo©©coco©©o©©	<		S CO p a » B ■a CO •H P c	H 33 H ft 3! O 3 h ft ft
000000000000-J<I<!-^<I© ex to © if* to to <i .f* p i-h p p tobbeobbbto'tobbto ©co©©coco©©©toco©	ft			
<J0000^Jr3»4~J©©Cn©ex pppp if* ©to ©pp<l<i bobicnbif*tobob©co"<lto oco©oto©©os©©co©	l-H			
O00OO0<!Vf<I<l©©©-<!© ©i-H©p©lf*COCOpp©r-"-jtobbcocxbi-tobbb r-COOOOO©OOCXtO©-^v{©	Aggregate Mean Temperature.			
cocotooococoaoaococoaooo ©©if*~jeo^ico<iif*tocooo	Highest degree.			
-3~*"©©tnexcxcnif*>f*cxif* tOif*if*tOif*©tO~l©©lr*if*	Lowest degree.			
rHhHCOtOCOif*COCOif*if*tOif* ao©©cncoi— © © ao © co if*	Range.			
Mr* ' coco' eoHMiH i i	X p	S!		3 o Cfi /
totoco1 ooootoif*to^eotn	X p	3 3		
*H l-H ©©CO' if* rf*- CX i-" CO ' r- ,-	X p	5! ft		
COtOCX' CO' CXtO' if*' r-	O p •<	ft		
OOtOCOrHtotOCOrH' rncoco	a p V!	CO ft		
extoexrHcocotoco' to if* i-h	X p	cn		
toif*rH©extoif*coco©coif*	o p v:	tn 3		
eo>f*' cotOrn©ex' to' ex	O p	$		
to to to- ^ 3.^ ^ ■ • 3r5	Prevailing.			
-HtOr-fcH|-HtOl-'rHrHh- H r-©aoif*<!©ooeooocotD^	o p	ft £.		3 ft > H CC ft ft
©tOCOtOOOtOCOOOrHtOr-tO	O p	■*5		
COOOCO-01CnOOCOtOrHt8©rH	o p "<3	ft P_ 3'		
............	o p	CO 3 O S3		
to9to ,1y ,1	Prevailing.			

891
■sz8i ao3 aSiisiosa 
PLACES or OBSERVATION.			THERMOMETER.				
	Mean Temperature.			c* 3 CO 2 is v taDg *- V tier <§	a* eo cm o >a JS cm X	eo SS as ■a o	
	VII.	II.	IX.				CJ til c a Ccj
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Washington city Fort Johnston Cant. Jesup St. Augustine Canton. Brooke	64.70 72.00 61.35 72.25 71.96 69.09 75.45 75.22 79.06 77.80 82.56 78.19	74.41 81.64 80.00 87.03 80.51 85.03 92.41 84.83 83.35 88.61 85.03 86.38	63.06 73.00 60.74 78.12 71.42 71.80 76.03 77.77 80.80 81.96 81.52 77.61	67.39 75.54 67.33 79.13 74.63 75.30 81.29 79.27 81.07 82.79 83.03 80.72	89 92 94 100 88 98 104 95 87 94 90 90	51 54 52 54 63 54 67 64 72 74 79 72	38 38 42 46 25 44 37 31 15 20 11 18
JULY.
N.  N.W.
S.E.
Days. Days.
Days. Days.
Days.
 2
 1
 1
14
 1
 4
 2
 2

 4
 9
 3
 6
 3
 7

10
12
10
s.	s.w.
Days.	Days.
3	5
2	11
11	7
-	15
1	25
5	11
4	18
8	5
7	3
2	6
2	5
7	8
Days.
12
 W.
S.W.
 s.
s.w.
s.w.
s.w.
s.w.

 N.
 S.E.
 S.E.
 S.E.
WEATHER.
Days
15
16
19
25
19
13
25
18
17
16
19
 9
Cl'dy
Days
Days.
22
Snow.
Days.
Fair.
Cn
*r*-
Rain. 
AUGUST.
		THERBIOMETER						WINDS.											WEATHER.			
	Mean	Temperature.																				
PLACES				OS				N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.		Fair.	Cl'dy	Rain.	Snow.		
																						
OP				2 £ 8>g.	eo eo U	OS CO t. cu													1			
																			1			
OBSERVATION.	VII.	n.	IX.		T3	■a	eo									a '3					a	
				ccj i	X	■s o rJ	a cd M	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Ph	Days.	Days.	Days.	Days.	> Oh	
Fort Brady	65.61	74.83	63.54	67.99	88	55	33		6		1	3	1	7	13	w.	21	9,	8		Fair	
Fort Snelling	68.58	77.25	73.22	73.01	89	59	30	3	6	1	3	3		9	6	s.w.	21		10			
Fort Sullivan'	58.31	76.87	59.33	64.83	91	50	41	4	4	4	1	1	13	9,	2	s.	23	7	1			
Fort Howard	61.16	82.22	62.41	68.56	100	54	46	1	4	13		.		13			21	4	6			
Fort Wolcott	68.35	75.45	70.45	71.41	83	59	24	1	1	8	_	4		16	1	s.w.	13	1?,	6			
i Council Bluffs	69.74	89.00	71.25	76.66	102	60	42	4	2	8	8	3	3	1	2		18	9	4			
Fort Columbus	69.54	81.09	71.35	73.99	94	62	32	1	4	6		4	4	12		s.w.	22		9			
Washington city	72.48	83.22	71.61	75.77	94	62	32	4	7	5	.	8	1	fi		S.E.	24		7			
Fort Johnston	78.51	82.83	80.25	80.19	89	72	17	7	2	1	3	.	5	2	11	w.	16	8	7			
Cant. Jesup	78.70	92.19	84.45	85.11	97	72	25	3	4	10	5	5	1	3		N.E.	94	3	4			
St. Augustine	83.00	86.41	82.41	83.94	94	80	14	.	3	5	5	6	_	7	5	S.W.	20	7	4			
Cant. Brooke	77.16	87.29	71.54	78.99	92	72	20		3	5	4	9	2	8		S.E.	13		18	-	Rain.	
 
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Washington c'y IFort Johnston Cant. Jesup St. Augustine Cant. Brooke J	PLACES OF OBSERVATION.			
<!<J<!<J©exCX©if*CXCXCX © p © to r- p ex © to © oo to tocooocncoco*<jbcxblf*if* o©eoo©©i(*.©©oo©co	<		g cc (» 3 H 1 •a cn rj P> £ ct>	« K g O w 50
K95?0"vI*vI*^^':ft,*»35O5© pt0p<jpr-ptOt0V100© ©©cocoextobexiobbi-H ©eoco©©©©©os©coco	El			
■*^oo<i-a©©©oscxcx©cx COOOSOI^c*-HO|C\iHWr excocxrH©bcobbooor-b co©co©co©©©co©co©	P			
■*J00<i<i©©o5©tnex©tn p©-jex<i-jif*eo©©tOif* if*~jcn©ex"f*co"— cn ex bo oo 0)OSOSOr.MK*0!Ol*J»Jif.	Aggregate Mean Temperaiure.			
tO00CO000000tO<!00<I<J^3 O*Jf%if*CllWtJQ0UCDCOr.	Highest degree.			
■**(-*iex©©if*if*cncoif*if*if* ©©©©tOCOtOtOtOr-COtO	Lowest degree.			
tOrHCotocococxtocxeocoto ©r-00lf*00lf*©©rH00©CO	Range.			
rn .'CX©©' ] |(IH 1 HUH	o p *«(	ss		3 p
l-H rH rHi_ioo©^©^j^if*.oo~jeo	X 5			
9^ --©lf*~Jt0'*Jlf*t0lf*tOlf*lf*rH	X V *< ■	55		
II ■lrHl^|_ll|_|ll	X CO •Hi	W		
•*J 00 © ' 00 CX © © ' • Hffl	PI	tn hi		
t0> tOtOCOlf*lf*rHi CX1 if*	O p=	tn		
l-'tOl-HeOlr*'*ItOtOif*CXODtO	CO p •Hi	tx		
CO' ■ -J' ■ r- r-i © <} ©	CJ p>	3		
***„*******<, *^w3^h33.^3^3^	Prevailing.			
M-MHtOcJrrrlSttM t0COif*©-lrn00-3if*i— — ©	p.-	to S.		> H K M 50
■ ©coex1 ■ csotnco h '	o pi	o el		
r- to 00-JCOtoCOCO©if*rHi-ioo©	■5 m	50 E 5'		
............	a	CO a o 5=		
toto	Prevailing.			
'9S8I a03 a3*LS103a IVOIDOIOaOSiLSW        951 
f I
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Washington city Fort Johnston Canton. Jesup St. Augustine Cant. Brooke	PLACES OF OBSERVATION.			
~5-5©©exCXlf*CXif*if*lf*lf* M Cn O Oi B h Oi U h OJ p M t0**3©'<'--!00~3Coift.00b<I iH«lif.OOOO00lHW05O	<		g 0) p 3 H CO S •o cn ri P s rj	H IS M 50 O S3 H H W 50
oo<ioo-j©©©©excxcxcn If*a0©rn»3p©rnpir*coto excob*c*b'<cbeoooboo<c' ©t0©i-©if*©t0©©©^3	P			
<f-a©©Ciitnexcx^*if*if*if*. if*©pppptOp©if*COtO bex"<iif*baoif*cxtn©i-n© ©oo^tn©©aoif*ooi^.tOif*	P			
•^~}©©©cxexcxif*if*i^.if* ©ppp©<i*f*©p<ipp bboi— borHrn<ibbbob<i ocooicnosiHirOotnMrjoo	Aggregate Mean Temperature			
toaocoooooooco-jaoaDOo^j ©oi©to<iex©©if*<itooo	Highest degree.			
©tneoi^eocotoeototototo ©oo©tocncx©cx©oo©to	Lowest degree.			
cotoexif*tncx<iif*©cn©if* ©-Jif*©tO©©i-Hif*.tOtOCO	Range.			
• toco©' ' lf*lf*' tOCOrH	o p	21		a p
^tOh-vOOCOeO©^' -4 00 ©	X pi	04		
-^©©toweor-cooo* ©to	•2	04		
ex to ~* ' ■ t- t^ ' ' uhh	E. Days.			
ex if* © • toexooto1 ' co©	a	tn hi		
■ ' h«IMA--«* ' U H 19	X PI	tn		
rn "(5 w ^.rnl ■ r-eX0Dr-t0©tXCO	a	tn		
OS r* ' if*' ' tO' i-h © if* ©	p	$		
*^*^x* ***** a bi hi * 3 3 " 33 3 3 3	Prevailing.			
JOtOtOtOtOtOr- r- r- _ _ ©tO-3r-rHr-tO©©<lCntO	tn p •h;	to E.		3 w > H a
to<jcoif*ex~5if*ao©to©ex	p	O •*"f		
COt0i-,©CnCO'*Jif*if*t0©©	a p	50 P. 5'		
......rn i rn I qo	Days.	tn o		
to ° to - S 5 5 - = B. r^.- ** S 2.	Prevailing.			
o

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M
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£31
es8i ao3 a3j.sio3a ivc 
158          METEOROLOGICAL KEUISTEK FUK 1825.
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tn P	•SuHpua.!,!			m fc tt fc fc « fc fc fc
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	r5 CC		c? p	CO*>00rH00 it*© |C0 |rH CM <-<
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			Days. Days.	t»w iN irn ,i-h ,coioeo
	H			Ot^eMrH , , , , Mil*) I t-
	S5		cd P	i hNhOO i rt(D«b»H N i-h
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	•aajSap isaq3ijj			»»©t©coeo©eo©©c».cori< i*-co»Ncoorj(Oiot»fjot»oo
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	CD t-i 3 ca in as P. S as H a cd 3	r-l		eocoeoco©Ti<tocoeo©eoeo rHc*peo^©ppcoj>in© ic3rHincdco©i>coosirii>*i^ cocococo,cs**^*T^T3Hinincoto
		K		tooco©©to©©eo©eoco WOS(Bftt-OSr-r.c3B«^IO r^OSTONOONOOeOCSSTj'osoO <*CO^^^ii0^iiOiOtotON
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	CO W o < J	o	o H «c! cd w CO CQ O	Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Bluffs Fort Columbus Washington city Fort Johnston Cant Jesup St. Augustine Canton. Brooke
 
PLACES OF OBSERVATION.	THERMOMETER.					
	Mean Temperature.			3 fe0q *. OS 'tffn <i c cd o S	0* eo hD as to as B 6J> X	
	VII.	II.	IX.			ru to a> -u 5* o
Fort Brady Fort Snelling Fort Sullivan Fort Howard Fort Wolcott Council Blufls Fort Columbus Washington city Fort Johnston u Canton. Jesup St. Augustine Cant. Brooke	13.70 9.40 25.41 11.96 32.38 18.54 28.22 31.58 44.61 36.55 54.35 54.58	21.45 19.15 32.12 21.74 38.22 31.51 35.53 41.38 51.90 54.00 60.83 65.22	17.29 14.54 27.48 14.87 34.32 22.48 31.35 35.45 48.90 44.80 54.64 56.30	17.48 14.36 28.33 16.19 34.97 24.17 31.70 36.13 48.47 45.11 56.60 58.70	40 40 50 40 55 54 50 54 67 72 76 78	-21 0 -5 -25 -1 -2 -3 10 28 20 42 40
DECEMBER.
	WINDS.									WEATHER.				
	N.	N.W.	'N.E.	E.	S.E.	S.	S.W.	W.		Fair.	Cl'dy.	Rain.	Snow.	
as bo									c '3 > OS					c '3 > e»
cd cd	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Ph	Days.	Days.	Days.	Days.	Ph
61	1	4	6	7	9		3	1	S.E.	5	12	3	11	Cl'dy.
40	1	17	1	.	5	1	3	3	N.W.	24	2	1	4	Fair.
55	2	5	2	5	■	4	2	11	W.	14	12	5	-	„
65	.	1	.	.	-	-	26	4	S.W.	14	11	1	5	»
56	4	8	5	-	2	-	10	2	s.w.	15	7	9	-	»
56	17	2	.	1	2	9	-	.	N.	18	8	-	5	»
53	1	11	5	1	1	1	4	7	N.W.	19	2	10	-	>>
44	3	11	2	1	1	7	5	1	N.W.	17	7	7	-	>i
39	11	8	3	.	.	3	1	5	N.	16	8	7	-	»>
52	5	7	1	2	9	4	3	.	S.E.	23	3	4	1	»
31	.	1	24	.	5	-	1	.	N.E.	23	5	3	-	>>
38	1	9	4	2	3		2	10	W.	21	6	4		"
 
„ FOR THE YEAR.
					THERMOMETER.							WINDS.								
PLACES •					Mean Temperature.			eo 3				N.	N.W.	N.E.	E.	S.E.	S.	S.W.	W.	.
																				
or OBSERVATION.		to ■a £ -1		6 T3 a 3> c o r*l	VII.	II.	IX.	co cd £ o. c c .	be CO ■o CO J3 an	tc ■a r*	as bs c cd									tis s 'cd > CO *.
																				
								S	X	I-)	«	Days.	Days.	Days.	Days.	Days.	Days.	Days.	Days.	
Fort Brady	46	'39'	84	>43'	39.67	50.30	40.60	43.52	89	-25	114	0.83	5.00	1.58	2.08	8.00 2.16		3.08	7.66 S.E.	
Fort Snelling	44	53	93	08	42.38	54.54	45.62	47.51	92	-15	107	2.16	6.58	1.91	1.08	6.16 2.83		6.16	3.41 N.W.	
Fort Sullivan	44	44	67	04	39.50	52.65	41.02	44.39	94	-5	99	3.33	6.41	2.41	2.58	0.66, 6.00		4.75	5.08 N.W.	
Fort Howard	44	40	87	00	39.30	56.35	44.47	46.70	100	-25	125	0.91	1.25	11.50 0.09		0.25! -		15.83	0.58 S.W.i	
Fort Wolcott	41	30	71	18	49.13	57.31	49.48	51.97	88	-1	89	2.50	6.08	4.58 0.50		2.58' 1.25		10.91	2.00 S.W.	
Council Bluff*	41	25	95	43	45.93	61.65	50.27	52.61	102	-11	113	5.91	491	2.41	1.91	3.00 7.75		2.58	1.91I s. j	
Fort Columhus	40	42	74	02	49.36	61.13	51.98	54.15	104	-3	107	0.41	9.25	4.41	0.91	3.16 2.58		7.91	I.75 N.W.	
Washington cily	38	53	76	55	52 11	63.52	55.52	57.05	95	10	85	2.41	7.91	4.50 1.25		3.58 3.50		6.41	0.83 N.W.	
Fort Johnston	34	00	78	05	63.38	68 95	66.22	66.18	89	28	61	9.58	3.83	2.41 0.66		0.50 7.00		2.25	4.16: N.	
Cant. Jesup	31	30	93	47	61.39	75.78	67.50	68.22	97	20	77	3.25	4.50	5.33 2.66		8.41 2.75		2.66	0.83, S.E.	
St. Augustine	29	50	81	27	70.94 74.46		71.29	72.23	94	42	52	1.08	2.91	12.50'1.75		7.50 0,75		2.50	1.41 N.E.	
Cant. Brooke	27	57	82	35	68.64	79.05	69.42	72.37	92	40	52j	0.16	4.00	7.08	3.00	4.58	2.83	6.25	2.50	N.E.
 
"QWa 3HJ.
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© 00 "1 CO 00	© CO © © to © © 00	cococo©cocococococo©©ooco©cocoto tstf*cx©<iccOtocxto©if*ooao©©if*.©©	Highest degree.		
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