r 
SCIENTIFIC DEPARTMENT. 189 
2 . — -Monthly Mean of Temperature, Fahrenheit. 
JANUARY. 
TEAR. 
6 a. m. 
! 9 a.m. 
12 M. 
3P.H. 
6 „ m . 
9p. M 
m3* 
1861 . 
26.9 
29.5 
35.3 
37.4 
33.5 
,30.8 
32.2 
1862 
27.1 
27.3 
30.1 
30.7 
29.5 
28.5 
28.9 
1863 .. . 
31.9 
34.0 
39.4 
41.2 
38.8 
36.1 
36.8 
1864... 
22.6 
25.2 
32.6 
35.1 
31.5 
28.0 
1865. . 
21.9 
24.2 
31.5 
33.1 
30.2 
27.9 
28.’ 1 
1866..... 
27.0 
29.1 
34.8 
36.8 
33.8 
31.5 
32.2 
Mean. 
26.2 
28.2 
33.9 
35.7 
32.8 
30.5 
31.2 
FEBRUARY. 
JANUARY. 
“ destination ” read declination. 
0 1 2 3 4 5 6 7 8 9 10 Missouri 
Botanical 
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