300: REPORT—1852. 

















Tasie I.—Mean Monthly and Annual Temperature from daily observations 4% 
Differences from 
Years. Dec. Jan. Feb. Mar. April. May. June. 
—— | | | 


um | | | 
° °o 
1937. | 38:73 | 3830 | 43:34 | 37-03 | 42:02 | 5215 | 63-43 
1838, | 40°72 | 29°34 | 3286 | 42°38 | 4485 | 53:18 | 59:58 
1939. | 39°81 | 37-92 | 41°32 | 41°32 | 47:88 | 57-00 | 56-47 
1840. | 38°94 | 40°12 | 39°73 | 42-22 | 54°61 | 55°67 | 60°71 
1841. | 35°19 | 35-41 | 37°12 | 49°21 | 49°31 | 59°55 | 61°73 
1842. | 40°81 | 33°80 | 41°01 | 45°38 | 51°10 | 55°34 | 61-06 
1843. | 4670 | 39°64 | 36°74 | 43°03 | 49:26 | 52-41 | 57°26 
1844. | 4549 | 40°56 | 36°27 | 41-75 | 54:83 | 54°73 | 61°53 



_—— | ——$—— ————— 
Means...| 40°924 | 36°886 | 38°548 | 42°79 49232 | 55°003 | 60°221 



Tase I]—The Highest and Lowest Monthly Temperature by the Self- 
Monthly and Annual Means, and the Dif- 
1837. 1838. 1839. 1840. 












Month . 
High. | Low. | Mean. | High.| Low. | Mean.| High. | Low. Mean. | High. | Low. | Mean. |} 








° ° 
Dec...) 55°0 | 23-00 28-00 | 3850 | 52-00! 28-00] 40-00 |p 
Jan....| 51:0 | 25°50 20:00| 35°50| 54:00| 22-00| 38°00 |f 
Feb. ...| 54:0 | 28°25 22:50 | 38°75 | 51°50} 25°00 38°25 |e 
Mar...) 49:0 | 19-00 29-00 | 38:50| 57°50] 25-00| 41°25 If 
Apr....| 58:5 | 27°50 27°50| 49°75 | 81:50] 33°50| 57°50 
May ...| 69:0 | 34:00 30°50 | 54:25 | 74:00] 38:00] 56-00 § 
June...) 79°0 | 39-00 41°00 | 59°50| 80°50] 43-00] 61°75 
July ...| 79-0 | 47:00 45°00 | 60:50| 75°50] 46°00| 60°75 §/ 
42°50 | 60°75} 82°00] 46°50) 64°25 # 
42°50| 56°25] 74°00| 38°00] 56009 
36°00] 51°00] 60:00) 34:00} 47-00 
30°00] 42°50} 58°50) 27°50} 43-00% 
Aug....| 76°0 | 44°50 
Sept ..| 67°5 | 42°00 
Oct. ...| 68°5 | 33°00 
Nov..-.| 56°5 | 27°50 



Means.| 63°6 | 32°52| 48°05) 63°16| 31:96] 47°56] 65°58 | 32-04] 48°81 | 66°75 33°87 | 50°31 



Diff. fr.|An. M. —1:12 —1°61 —0°36 +114 
Mean of the 8 years 49°°17. 
Tasrez III.—Showing the Highest and Lowest Temperature of each yea 
the Means d 










1837. 1838. 1839. 1840. 
Highest ...... 79:0 June 23. 73-0 August 27. 79:0 August 2. 82-0 August 9.) 
Lowest ......| 190 March 24. | 9°0 January 20.| 20°0 January 30.} 22°0 January € 
Mean Temp...| 49°0 43°5 49°5 52°0 
Ann.Range.,.| 60°0 69:0 59:0 60°0 » 
Mean of the extremes of Temperature 50°. 
