Meteorological Observations 
H 
Abstract 
of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office. Calcutta , 
in the month of October , 1861. 
H ourly Means, &c. of the Observations and of 
the Hygrometrical elements 
dependent thereon. 
Range of the Barometer 
~0 u 
— <D 
Rang 
e of the Temperature 
3 3 -g 
for each hour c 
uring 
• 
for each hour during 
Hour. 
bt> O Ex. 
ffl « 
the month 
£ o 
o a 
the month. 
fc-H £ 
CO 
a <u 
<U & 
Max. 
Min. 
Diff. 
5 -3 
r. 
<u tr* 
Max. 
Min. 
Diff. 
S 
S 
Inches. 
Inches. 
Inches. 
Inches. 
0 
0 
1 o 
o 
Mid¬ 
night. 
29.796 
29.951 
29.618 
0.333 
79.3 
83.0 
75.8 
7.2 
1 
.791 
.943 
.604 
.339 
79.0 
82.6 
75.6 
7.0 
2 
.783 
.935 
.585 
.350 
78.5 
82.8 
75.2 
7.6 
3 
.770 
.927 
.573 
.354 
78.5 
82.4 
74.7 
7.7 
4 
.777 
.935 
.559 
.376 
78.0 
82.2 
74.2 
8.0 
5 
.799 
.949 
.628 
.321 
77.9 
81.0 
73.8 
7.2 
6 
.805 
.979 
.581 
.398 
77.8 
81.8 
73.0 
8.8 
7 
.824 
30.001 
.597 
.404 
78.5 
82.4 
73.8 
8.6 
8 
.836 
.007 
.653 
.354 
80.0 
83.2 
76.0 
7.2 
9 
.863 
.049 
.653 
.396 
81.5 
84.6 
77.2 
7.4 
10 
.862 
.041 
.676 
.365 
82.9 
86.3 
77.6 
8.7 
11 
.844 
.023 
.648 
.375 
83.6 
87.8 
77.2 
10.6 
Noon. 
.823 
29.998 
.621 
.377 
84.3 
88.7 
77.7 
11.0 
1 
.794 
.978 
.589 
.389 
84.9 
89.6 
78 8 
10.8 
2 
.771 
.945 
.566 
.379 
85.5 
900 
79 6 
10.4 
3 
.757 
.934 
.551 
.383 
85.4 
89.6 
80.0 
9.6 
4 
.765 
.931 
.535 
.396 
85.3 | 
89.0 
80.0 
9.0 
5 
.761 
.936 
.523 
.413 
83.7 
87.4 
78.4 
9.0 
6 
.769 
.917 
.543 
.404 
82.2 
86.0 
77.3 
8.7 
7 
.790 
.964 
.567 
.397 
81.2 
85.0 
76.4 
8.6 
8 
.808 
.977 
.577 
.400 
80.5 
84.2 
74.8 
9.4 
9 
.819 
.978 
,60 0 
.378 
80.0 
84.0 
74.6 
9.4 
10 
.815 
.972 
.604 
.368 
79.7 
83.6 
74.0 
9.6 
11 
.824 
.963 
.624 
1 
.339 
79.2 
83.0 
74.0 
9.0 
The Mean height of the Barometer, as likewise the Mean Dry and Wet Bulb 
Thermometers are derived from the Observations made at the several hours 
during the month. 
