Meteorological Observations. lxv 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of January, 1861. 
Latitude 22° 33' 1" Worth. Longitude 88° 20' 34" East. 
Eeet. 
Height of the Cistern of tile Standard Barometer above tile Sea-level, 18.11 
Daily Means, &c. of the Observations and of the Hygrometrical 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. 
<u 
"cd 
a 
Max. 
Min. 
Diff. 
Max. 
Min. 
Diff. 
Inches. 
Inches. 
Inches. 
Inches. 
0 
o 
o 
i 
30.0GI 
30.137 
30.000 
0.137 
63.0 
7G.0 
53.6 
22.4 
2 
.056 
.129 
29.987 
.142 
64.5 
77.8 
54.6 
23.2 
3 
.040 
.118 
.988 
.130 
66.5 
78.9 
58.0 
20.9 
4 
.021 
.114 
.953 
.161 
66.5 
78.6 
56.6 
22.0 
5 
6 
29.975 
Sunday. 
.066 
.914 
.152 
66.8 
79.0 
57.6 
21.4 
7 
.934 
.008 
.877 
.131 
69.1 
79.2 
60.7 
18.5 
8 
.941 
.026 
.895 
.131 
71.1 
78.8 
65.3 
13.5 
9 
.972 
.053 
.907 
.146 
71.3 
81.8 
65.8 
16.0 
10 
.970 
.045 
.904 
.141 
71.8 
80.0 
67.2 
12.8 
11 
.977 
.039 
.937 
.102 
71.4 
78.6 
65.8 
12.8 
12 
13 
30.029 
Sunday. 
.114 
.961 
.153 
70.5 
77.4 
67.0 
10.4 
14 
.025 
.085 
.984 
.101 
70.4 
77.8 
65.4 
12.4 
15 
.078 
.157 
30.028 
.129 
70.3 
78.8 
63.6 
15 2 
1G 
.016 
.112 
29.920 
.192 
69.3 
79.0 
61.2 
17.8 
17 
29.930 
.006 
.861 
.145 
69.9 
79.8 
63.8 
16.0 
■ 18 
.925 
.025 
.862 
.163 
70.8 
81.8 
62.2 
19.6 
T9 
20 
.961 
Sunday. 
.031 
.914 
.117 
73.4 
80.2 
68.8 
11.4 
21 
.946 
.015 
.898 
.117 
70.7 
77.6 
66.2 
11.4 
22 
.973 
.075 
.914 
.161 
66.6 
74.2 
59.2 
15.0 
23 
.966 
.046 
.917 
.129 
62.5 
64.8 
60.6 
4.2 
24 
.992 
.065 
.930 
.129 
64.8 
75.0 
57.6 
17.4 
25 
30.039 
.112 
30.002 
.110 
62.0 
73.0 
54.0 
19.0 
20 
27 
.002 
Sunday. 
.088 
29.931 
.157 
62.9 
74.8 
52.7 
22.1 
28 
29.827 
29.911 
.736 
.175 
70.2 
83.2 
61.3 
21.9 
29 
.843 
.918 
.783 
.135 
69.1 
78.0 
62 2 
15.8 
30 
.907 
.987 
.864 
.123 
65.3 
75.6 
58.6 
17.0 
31 
.962 
30.047 
.902 
.L45 
65.3 
77.2 
55.2 
22.0 
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. 
