Meteorological Observations. 
1 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Of ice, Calcutta , 
in the month of January, 1SG2. 
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 Hygronaetrical elements 
dependent thereon. 
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. 
Date. 
Max. 
Min. 
Diff. 
Max. 
Min. 
Diff. 
Inches. 
Inches. 
Inches. 
Inches. 
0 
0 
0 
0 
1 
30.037 
30.099 
29.981 
0.118 
65.5 
74.8 
59.0 
15.8 
2 
.044 
.108 
.985 
.123 
65.7 
74.3 
59.2 
15.1 
3 
.099 
.183 
30.053 
.130 
65.5 
74.6 
58.4 
16 2 
4 
5 
.086 
Sunday. 
.152 
.040 
.112 
65.5 
74.8 
58.0 
16.8 
6 
.003 
.080 
29.953 
.127 
66.3 
75.8 
58.8 
17.0 
7 
29.987 
.076 
.929 
.147 
67.3 
77.8 
58.4 
19.4 
8 
.933 
.035 
.870 
.165 
69.7 
78.0 
62.6 
15.4 
9 
.881 
29.938 
.818 
.120 
70.9 
75.4 
67.2 
8.2 
10 
.931 
.996 
.882 
.114 
69.7 
76.8 
65.8 
11.0 
11 
12 
30.019 
Sunday. 
30.093 
.940 
.153 
67.1 
75.4 
61.6 
13.8 
13 
.006 
.074 
.956 
.118 
67.9 
74.4 
62.4 
12.0 
14 
.048 
.112 
30.000 
.112 
68.1 
75.4 
60.8 
14.6 
15 
.059 
.140 
.009 
.131 
69.1 
76 8 
62.0 
14.8 
16 
.048 
.126 
29.996 
.130 
70.4 
78.3 
65.8 
12.5 
17 
.046 
.110 
.994 
.116 
67.4 
69.2 
65.2 
4.0 
18 
19 
.072 
Sunday. 
.150 
30.035 
.115 
67.0 
74.2 
62.8 
11.4 
20 
.084 
.167 
.028 
.139 
62.7 
71.8 
55-2 
16.6 
21 
.055 
.126 
29.982 
.144 
63.9 
73.8 
55-7 
18.1 
22 
.074 
.145 
30.034 
.111 
67.1 
77.4 
58-2 
19.2 
23 
.055 
.131 
.011 
.120 
68.4 
77.2 
60-6 
16.6 
24 
.026 
.112 
29.972 
.140 
68.6 
76.8 
63.3 
13.5 
25 
26 
29.991 
Sunday. 
.088 
.925 
.163 
69.2 
76.7 
62.2 
14.5 
27 
.828 
29.894 
.768 
.126 
69.8 
74.0 
66.2 
7.8 
28 
.907 
.990 
.858 
.132 
65.7 
72.0 
59.5 
12.5 
29 
.975 
30.046 
.928 
.118 
62.6 
71.6 
55.2 
16.4 
30 
.980 
.062 
.924 
.138 
63.7 
73.2 
55.4 
17.8 
31 
.955 
.025 
.908 
.117 
65.2 
75.6 
56.4 
19.2 
The Mean height of the Barometer, as likewise the Mean Diy and Wet Bulb 
Thermometers are derived from the twenty-foui houily Observations made during 
the day. 
