' Jan. Feb. MaiT Ap’l. May. Juir. Jut Aug". Sept. 6ct. Nov. I)fec. Year. 
1861 .. . 32.2 40.4 44.8 58.1 64.1 76.9 77.5 78.6 69.1 57.9 46.0 39.7 67 . 1 ° p . 
1862 /.. 28.9 30.2 43.2 65.0 69.7 75.1 81.2 80.7 72.1 57 . 3 , 42.6 41.3 56 . 4 ° f . 
BELATIYE HUMIDITY. 
Mean of 
Jan. Feb. Mar. Ap’l. May. Jun. Jul. Aug. Sept. Oct. Nov. Dec. Year. 
1861 .. . 72.2 63.3 64.5 61.5 66.3 70.8 66.3 69.6 77.3 76.6 69.0 74.3 69.5 
1862 .. . 85.3 73.9 70.8 67.0 57.3 67.0 66.8 64 .fr 74.2 67.2 69.5 74.6 69.8 
III. Yearly mean of Positive Electricity of Temperature, and of 
Relative Humidity of the Atmosphere, at the hours of 6 , 9 , 12 , 3 , 
6 and 9 , from morning till night , based upon daily observations at 
these hours through the years 1861 and 1862 , at St. Louis, Mo. 
At 6 A.M. At 9 A. 1 
1861 . 8.6 . 10.0 
1862 ...... 8.9 . 10.0 
1861 . 48 . 9 ° F ... 54.9 
1862 . 48.9 . 55.0 
At 12 M. 
.... 9.2 
.... 9.1 
TEMPERATUB 
.... 61.6 
.... 60.9 
Lt3P.M. At 6 P. M. At 9 P. M. 
7.9 . 8.7 6.9 
7.3 . 8.1 6.8 
63.6 . 59.3 ...... 54.3 
62.3 . 58.0 53.6 
1861 ...... 86.4 . 71.3 
1862 . 85.3 ...... 70.6 
57.2 . 65.1 ...... 77.3 
57.5 . 67.6 . 78.0 
2 3 4 5 6 7 8 9 10 
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