SCIENTIFIC DEPARTMENT. 
189 
2 . — Monthly Mean of Temperature , Fahrenheit . 
JANUARY. 
TEAR. 
6 A. M. 
■SA.K. 
12 M. 
3p.m. 
6p. m. 
9P.M 
«“» 
1861 
26.9 
29.5 
35.3 
37.4 
33.5 
30.8 
1862 
27! 1 | 
27.3 
30.1 
30.7 
29.5 
28.5 
28.9 
1863 
31.9 
34.0 
39.4 
41.2 
38.3 
36.8 
1864 
22.6 
25.2 
32! 6 
35.1 
3L5 
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 
32.2 
Mean 
26.2 
28.2 
33.9 
35.7 
32.8 
30.5 
31.2 
FEBRUARY. 
JANUARY. 
“ destination ” read declination. 
***** ****?. rsS 
C£.>RG£ •- 
