SCIENTIFIC DEPARTMENT. 
189 
-Monthly Mean of Temperature , Fahrenheit. 
JANUARY. 
„ 4E . 
6 A. M. 
12 M. 
3 P. M. 
6p. m. 
9p. H 
1861 
26.9 
| 29 6 
35.3 
37.4 
33.5 
30.8 
1862 
27.1 j 
27.3 
30.1 
30.7 
29.5 
28*9 
1863.... 
31.9 
34.0 
39.4 
41.2 
38.3 
36.1 
36.8 
1864....... 
22.6 
25.2 
32.6 
35.1 
31.5 
28.0 
29^2 
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 
Mean 
26.2 
28.2 
33.9 
35.7 
32.8 
30.5 
31.2 
1861.. 
1862.. 
1863.. 
FEBRUAR1 
46.7 
35.9 
39.4 
45.5 
30.1 32.8 39.5 
3 . — Monthly Mean pf Relative Humidity. 
JANUARY. 
1864.. .. 
1865.. .-. 
1866.. .. 
Mean.. 
79.8 
79.1 
82.9 
FEBRUARY. 
“ destination ” read declination . 
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0 1 2 3 4 5 6 7 8 9 10 Missouri 
Botanical 
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