5 a REPORT—1852. 
Tasie XVI.—Mean Monthly and Annual Dew-Point, from Observa- 














1838. 1839. 4 
9am. | 3p.m. | Means. | 9a.m. | 3P.M. | Means. | 9a.M. = 
December ........+..: 39-08 | 40-98 | 40-03 | 37-88 | 39:05 | 38-46 | 37-24 ; 
GANMALY: (een ccvoscects? 27°02 28°56 27°79 34:42 35°41 34°91 39°46 
Rebyiary:.*.<<s.seseses 30°25 32°69 31°47 36°73 38°56 37°64 36°51 | 
March noane sade cee teaces 36°51 37°88 37°19 37°22 40°34 38°78 34°21 ; 
38°76 37°83 38°77 39°62 39°19 47°58 j 
46°65 45°77 50°56 47°31 48°93 48°49 ; 
54°13 53°04 52:70 54°63 53°66 51°35 ! 
56°24 55°66 55:06 56°26 55°66 52°84 
INHGURE © vcececesseetsss 55°54 56°65 56°09 54:25 54°37 54°31 56°95 
September ............ 51°55 52°52 52°03 53°26 53°47 53°36 49°50 F; 
Octoberds ce.96 3.044500 46:00 46°45 46°22 46°93 48°02 47°47 43°90 i 
November ........-... 38°10 59°36 38°73 44:20 45°40 44:80 40°05 
Annual Means ......| 42°74, | 44:24 | 43-49 | 45°15 | 46°03 | 45°59 | 44:84 ] 
q 
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| 
| 
Taste XVII.—Highest and Lowest Monthly Dew-Point, observed at 9 A.M. | 
Annual Means | 
| 
1838. | 1839. 
Highest. | Lowest. | Means. | Highest.| Lowest. | Means. | Highest. 
° ° ° ° e if Q | 
December ........:..- 51°00 30°50 40°75 48-00 27°50 37°75 50°50 
JANUALY ...0000.202.08e 44-00 10-00 27°00 48:00 24:00 36:00 50°50 ] 
REDTUALY..y., -csavee neo 42°25 21°00 31°62 50:00 24°50 37°25 47°00 | 
March tisss.ce..0:- 005.28 47°50 28°50 38°00 50°00 26°50 38°25 44:00 ; 
AGATE eo. ace gucass fos ser 50°50 23°50 37°00 54°00 27°00 40°50 56°00 f 
WNERY) Giedeasssns weds ses 53°50 33°50 43°50 59°50 33°00 46°25 59°00 | © 
AMINE Sieiseebcesacdstes: 64°00 42°00 53°00 63°50 39°00 51:25 61:00 i 
DU Yr ies. cese >. <4. 000s 65°00 46°50 55°75 61:50 44:00 52°75 63°20 ; 
AUQUSE coocvecsceoeees 64°50 46°50 55°50 61°50 42:00 51°75 67°50 
September ......... 59°00 37°00 48-00 61:00 43°50 52°25 64:50 
October nvccterss.sssce 57°00 32°00 44:00 57°50 33°00 45°00 52°50 
November .......0000+ 52°00 24:00 38°00 52°50 33°00 42°75 53°50 
—$ | | | | | | 
54:187| 31-25 | 42676) 5558 | 33-08 | 44:31 | 55°76 | 


Annual Means 


non ® 
