306 
Tasie XI.—Mean Monthly and Annual 





REPORT—1852. 





Barometric Pressure, deduced from 
for 8 years, from 1837 to 1844 in- 























1837. 1838. 
te aa oe 
Months. 9 A.M. 3 P.M. 9 A.M. 3 P.M. 
High. | Low. | Mean.} High. | Low. Meal High. | Low. | Mean. | High. | Low. | Mean. 
ee ee ee eS 
in. in. in. in. in. in. in. in. in. in. in. in. 9 
Det. ...5<- 199-800.|28°520 |29°160 |29°837 |28-453 |29°145 |29-924 |28°723 29°323 |29°931 |28°675 |29°303 
Jan. ...... 30:030| -793| °411| -997| °700| :348| -865| -824 |29°344| 835} 809 "322 | 
Feb. ...... 29-883| -645| °264| °784| 443] °113} *868) -088 28:977| °833| °181| *007 
March *871| -748| -309| °867| °747| °307| -941) 503 \29°222 *907| °534 |29°220] 
April +881 |28:846| -°363| °878\28°755| °316| °698/ °620| -159 "624| +209 |28:916 | 
May ...... -778 |29-034| -406| °783/29°'129| -456| -828| -920| “374| °786| 962 29°374 
June...... -799 29:021| -410| -743|29°015| °379)| +700 [28-973 336 °690|28:983} °336 
July...... -776 28-669 | °222| °780 28-453] -116| 656 29:066| 361 645 |29°012| °328 
AUg....++- *856| -903| °379| °813| °883| °348| °645|28:542| -093 “601 |28°573| +087" 
Sept...... 29°803! +533) °168|29°781| -520| +150) :937| -695 *316| °915| °652) 283) 
Oct........30°137| °730| °433/30°114| 558 *386| -929 128705 29:317| °898 \28°795 |29°346 ° 
Nov....... 29-803 28-395 |29-099 |29°798 28-243 29-020 |29°879 oe 28-894 |29°844 |27:969 |28-906 
. 
Annual M eans......... 29°302 29°257 29°226 29°202 
Diff. fom Fi Mean —00i —°046 —077 —'10P 
TaBLe XI.—_ 
1841. 1842. 
Months. 9AM 3 P.M. 9 A.M. 3 P.M 
High. | Low. | Mean. | High. | Low. Mean. | High. | Low. | Mean. | Iigh. | Low. | Meam 
a a ST a =e SS SS eS 
in. in. in. jin. in. ‘in. in. in. in. in. in. in. 
December. ...|30°257 '28°716 29-486 |30°199 |28°789 |29°494 29-726 |28°519 |29°122 |29°717 \28°469 |29:0 
29:970| 451) -210;29°979| °519) °249|30°097) “754 425 |30:097| +398 
29:993| °557| °275| ‘944] °599| +271 |30°092 *680| °386 30-044} 636) “34 
30°044 | “778| 411) -983| °879| -431 29°896| °787| °341)|29°878| -889 8 
29°786 | 921) °353| °770 -961| °365(29°955] -°872| °413| -900| -884/ 39 
296 28°766, -296| -819 28677) +248 |30:021 28-660! +340) 961 /28°692| °32 
933 29°057 -495| °878|29°019| 448 29°874 |29-177| 525} *802 29°072| 46 
Jaly..oseevstt er} O49 '28'817| -268| °718|28:-962| °340| -952} °108| 530 ‘962| °093| 52 
August.....-.4. -834| .-953| -393| °782)29°080| -431| 990 |29:287 *638| °944|29°202| 57] 
September ...| °726] °623| :174| °691 28-752 +221 29-831 |28°841| °336 |29°802 |28-958 | “38 
October ...... 743) °345| -044| °579| +454) °016 (30-095 *320| °207/|30°064| °415| °2é 
November ...|/29°975 |28°314 29°144 |29-934 imal 29170 |30 096 a 29:204 30:028 |28°329 |29:1 
Ann. Means...|..-...-00.+ 29°296 29°307 29°372 | 29°34 
Diff. from Final Mean —'007 +004 +:069 +0 


