42 
REPORT—1854. 
Mean temperature of the month 58 0, 29; difference in the mean lunar variation 
7°'4. The warmest year was 1847, when the wind prevailed from the cast to south; 
and the coldest year was 1351, when the wind prevailed from north to cast. 
The barometer ranges on a mean from 30-0871 to 29‘2GOO ins.—difference -8271; 
but the full range extends to 1*063 in ten years. Mean height for the month is 
29-6739 ins. 
The prevailing winds are the class from south to west; the avernge of ten years 
being north to east “-fl, east to south 5*4, south to west 9'4, west to north 77. 
The mean min is 2 1539 ins., falling on rn average on 4*5 nights and 9‘4 days, or 
a total of 14 days through the month- 
No snow falls in this month, and there are upon an average 3*8 nights of frost, 
but only* occasionally, censing the thermometer on the house to fall below 32°, #nd 
giving a mean of 2°*15 of frost. 
Hail fell once in this month in 1844, and once in 1848. 
July.—L ength of the middle day about 15 hours. Mean highest temperature by 
day 77 o, 80, mean lowest by night 54° 92. Solar variation 22 * 88 . 
Mean temperature of the month 63 0, 94 ; difference in the mean lunar variation 
6 °- 8 . The warmest year was 1849, when the wind prevailed from the south to west; 
and the coldest year 1851, when the wind prevailed from south to west. 
The barometer ranges on a mean from 30*0662 to 29 3094 ins.—difference 75GS; 
but the full range extends to 1*162 in ten venrs. Mean height for the montn 
29-7104 ins. 
Ihe prevailing winds are the class south to west ; the average of ten years being 
no ,p^ to Pa9t 5 ’?> east to south 5 2, south to west 14. west to north 5‘9. 
1 he mean rain is 3*0210 ins., falling on an average of 5 nights and 9‘C day 5 ' 0 
a total of 15 days through the month. , . , , lMf 
No snow tails In this month, and on an average there arc -6 nights of frost, 
not causing the thermometer on the house to fall below 32°. 
Hail tell once m this month in 1814. ,. w 
August.—L ength of the middle day about 13 hours BO minutes. Meanijgn - 
temperature by day 76°-34, mean lowest by night 55-39. Solar influence 20 ^ 
ro., .ri te, ? ,,erntUrcHf thB month fl5°*85 ; difference in the mean lunar var 
; / he h , ott «* year was 1843, when the wind prevailed from the S.W.; 
coldest year I860, when the wind prevailed from north to east and south to ea. 
half the month. 
,, J h ft bf Tn mcter rR "S C3 on n mean from 30*1206 to 29*3872 ins.—differenced 3 .• 
- ,U ran 8 * ftttcnds to 1-096 in ten years. Mean height for the m 
29 7699 inB. 1 
. .™ e P rev a'lmg winds are the class from south to west; tbe average of ten }’*«» 
e ng north to oast 6 , east to south 6 * 4 , south to west 10 - 6 , west to north 8 . 
nndJoT" rm " fnr thii month ia 4-4299 ins., falling on an average A*, 
in fm.r c ya ’ ° r * f oto1 (>f 14 through the mouth; In 1848 it rained 6 328 
in four succcssjve days. 3 * , hu , 
n t r f n ? W | n month, and on an average there are 0-5 nights ol r ° 8 ' 
H»?l ?‘n S U,e ^PnnWBetcr on the house to fall below 32°. 
once month in 1843, and again in 1851. . . llteB The 
hn?tn MUER ' '■ 10 Ntf* 0, “ the middle dav is about 12 hours 20 »«" j >.,, 5 . 
mT mPan r,!,e9 t0 C5 °-64 «nd falls to 40*59, making a solar variation 0 !,^ 
temperature of the month 56° 09: difference in the mean 1“*« ^ 17 
IJ; * h ® hott-.ht year was 1846, when the wind prevailed from sooth 0 ^ 
data C 8t year 1843 ’ whcn tbc wind P revai,cd fr0,n ( 
thc T month a nr e . mpCr, J tUre 0f niKhts in to* month correspond very nearly to those 0 
The bam™J UDP ’ b0t tbe d “y 9 ftverage 4-5 colder. _ r „ nCC 
but^the 6 fuir?anVr^7 amcan fr °m 30-1617 to 29 1381 in . 9 \^?the month* 
29 7671 ins. S extends to 1*530 iu ten years. Mean height lor the 
r ">“ »»«• <° north; the aver a gc of WT** btii! 
Tl^mc^rn ’ 8outh south to west 10, west to north 9 7- njs ],is 
inla.fiT 80 ra ? r tus mont h w 3-0048 ins., falling on an average on 3 jgtf 
and 8 6 days, or a total of 12'4 throughout the month 8 On the 8th Sep tcmbc 
