lxxiii 
meteorological Observations. 
Abstract of the Besults of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of February, 1861. 
Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 
Height of the Cistern of the Standard Barometer above the Sea level, 18.11 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
Date. 
Mean Height of 
the Barometer 
at 32° Faht. 
Range of the Barometer 
during the day. 
rO 
’=5 « 
rn a) 
f§ 
q a 
Max. 
Min. 
Diff. 
- s 
5 -G 
a > tr* 
53 
Inches. 
Inches. 
Inches. 
Inches. 
i 
29.967 
30.065 
29.905 
0.160 
65.4 
2 
3 
.931 
Sandai/. 
.004 
.857 
.147 
64.9 
4 
.834 
29.917 
.765 
.152 
69.0 
5 
.742 
.827 
.668 
.159 
73.7 
6 
.751 
.826 
.682 
.144 
75.2 
7 
.8S4 
.961 
.808 
.153 
71.6 
8 
.917 
30.004 
.854 
.150 
71.2 
9 
10 
.890 
Sunday. 
29.981 
.828 
.153 
72.5 
ii 
.900 
.977 
.850 
.127 
71.2 
12 
.912 
.994 
.859 
.135 
72.0 
13 
.908 
.994 
.844 
.150 
71.3 
14 
■87S 
.960 
.814 
.146 
73.4 
15 
.808 
.884 
.724 
.160 
75.0 
16 
17 
.871 
Sunday. 
.965 
.800 
.165 
73.3 
18 
30.035 
30.125 
.977 
.148 
71.6 
19 
.065 
.155 
30.017 
.138 
72.8 
20 
.042 
.146 
29.968 
.178 
72.9 
21 
.011 
.096 
.949 
.147 
72.4 
22 
.016 
.100 
.964 
:136 
72.8 
23 
24 
29.989 
Sunday. 
.093 
.914 
.179 
70.6 
25 
.886 
29.957 
.797 
.160 
76.2 
26 
.897 
.973 
.842 
.131 
77.9 
27 
.925 
30.017 
.858 
.159 
77.2 
28 
1 
.873 
29.953 
.802 
.151 
78.9 
Range of the Tempera- 
ture during the day. 
Max. 
Min, 
Diff. 
o 
o 
o 
77.6 
57.0 
20.6 
77.0 
54.4 
22.6 
80.4 
59.6 
20.8 
85.8 
65.8 
20.0 
86.0 
66.2 
19.8 
82.6 
, 61.6 
21.0 
83.0 
1 61.2 
21.8 
83.8 
62.8 
21.0 
83.4 
61.8 
21.6 
83.6 
63.1 
20.5 
83.2 
62.6 
20.6 
85.6 
63.8 
21.8 
88.5 
64.4 
24.1 
82.6 
64.7 
17.9 
85.2 
60.4 
24.8 
85.3 
63.0 
22.3 
84.0 
62.3 
21 7 
84.2 
62.0 
22.2 
84.8 
64.8 
20 0 
84.4 
59.2 
25.2 
89.6 
66.6 
23 0 
89 8 
70.8 
19.0 
88.9 
66.6 
22.3 
90 6 
72.0 
18.6 
i The Mea11 height of the Barometer, as likewise the Mean Dry and Wet Bulb 
Thermometers are derived from tile twenty-four hourly observations made durine 
the day. » 
