Meteorological Observations. lxxxi 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor GeneraVs Office, Calcutta , 
in the month of February , 1862. 
Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 
Feet. 
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. 
Mean Dry Bulb 
Thermometer. 
Range of the Tempera¬ 
ture during the day. 
Max. 
Min. 
Diff. 
Max. 
Min, 
Diff. 
Inches. 
Inches. 
Inches. 
Inches. 
0 
0 
0 
0 
1 
29.923 
30.000 
29.875 
0.125 
69.6 
79.4 
60.0 
19.4 
2 
Sunday. 
3 
.903 
29.990 
.848 
.142 
68.4 
77.2 
60.0 
17.2 
4 
.899 
.957 
.852 
.105 
69.5 
78.2 
62 8 
15.4 
5 
.960 
30.046 
.914 
.132 
67.9 
78.0 
59.0 
19.0 
6 
.998 
.072 
.947 
.125 
66.6 
76.6 
58.4 
18.2 
7 
30.009 
.090 
.935 
.155 
65.5 
76.2 
56.4 
19.8 
8 
.004 
.081 
.952 
.129 
66.7 
77.0 
56.6 
20.4 
9 
Sunday. 
10 
.040 
.114 
.974 
.140 
72.6 
83.4 
63.7 
19.7 
11 
.061 
.130 
30.018 
.112 
72 7 
82.6 
63.8 
18.8 
12 
.088 
.177 
.028 
.149 
72.5 
83.4 
63.4 
20.0 
13 
.043 
.132 
29.979 
.153 
73.0 
83.8 
63.6 
20.2 
14 
.015 
.104 
.946 
.158 
74.6 
85.2 
64.2 
21.0 
15 
29.967 
.031 
.919 
.112 
75.5 
83.4 
70.0 
13.4 
16 
Sunday. 
17 
.923 
29992 
.874 
.118 
76.7 
85.4 
69.2 
16.2 
18 
.930 
30.002 
.880 
.122 
75.6 
83.8 
67.6 
16.2 
19 
.939 
.002 
.875 
.127 
75.7 
84.6 
68.0 
16.6 
20 
.918 
29.998 
.834 
.164 
74.3 
83.8 
66.0 
17.8 
21 
.850 
.919 
.782 
.137 
75.4 
84.2 
69.0 
15.2 
22 
.856 
.943 
.799 
.144 
76.6 
85.5 
70.3 
15.2 
23 
Sunday. 
24 
.865 
.932 
.815 
.117 
77.4 
85.6 
70.6 
15.0 
25 
.844 
.917 
.774 
.143 
78.3 
87.4 
72.8 
14.6 
26 
.749 
.822 
.665 
.157 
78.0 
88.8 
70.4 
18.4 
27 
.679 
.755 
.620 
.135 
79.9 
91.0 
72.4 
18.6 
28 
.741 
.811 
.647 
.164 
79.9 
89.6 
73.6 
16.0 
The Mean height of the Barometer, as likewise the Mean Dry and Wet Bulb 
Thermometers are derived from the twenty-four hourly Observations made during 
the day. 
