Meteorological Observations 
xcvn 
Abstract of the Hesults of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta , 
in the month of April, 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. 
O <D 
• 
4-3 <D 
^ s -s 
.5* o 
T! J5 0 
Range of the Barometer 
during the day. 
Dry Bulb 
•mometer. 
Range of the Tempera¬ 
ture during the day. 
Mean I 
the E 
at 32 
Max. 
Min. 
Diflf. 
Mean 
The i 
Max. 
Min. 
DifF. 
Inches. 
Inches. 
Inches. 
Inches. 
o 
0 
o 
o 
1 
29.809 
29.888 
29.707 
0.181 
79.9 
88.8 
70.9 
17.9 
2 
.761 
.842 
.682 
.160 
83.4 
92 6 
77.2 
15.4 
3 
.763 
.831 
.691 
.140 
82.6 
90.8 
76.4 
14.4 
4 
.805 
.873 
.755 
.118 
82.1 
91.0 
75.0 
16.0 
5 
6 
.844 
Sunday. 
.911 
.794 
.117 
84.0 
92.8 
77 6 
15.2 
7 
.786 
.859 
.702 
.157 
87.0 
97.6 
78.2 
19 4 
8 
.783 
.876 
.699 
.177 
87.1 
974 
79.0 
18.4 
9 
.792 
.874 
.725 
.149 
86.7 
96.2 
79.0 
17.2 
10 
.810 
.876 
.740 
.136 
85.5 
93.8 
77.8 
16.0 
11 
.838 
.925 
.776 
.149 
85.6 
97.0 
74.6 
22.4 
12 
13 
.875 
Sunday. 
.959 
.819 
.140 
86.2 
97.0 
77.0 
20.0 
14 
.796 
.878 
.691 
.187 
87.8 
100.2 
77.2 
23 0 
15 
.734 
.812 
.645 
.167 
88 7 
99.8 
79.2 
20.6 
16 
.697 
.778 
.613 
.165 
88.3 
99.5 
80.2 
193 
17 
.6S0 
.748 
.580 
.168 
86.8 
95.8 
81.6 
14.2 
18 
.711 
.766 
.658 
.108 
86.2 
95.2 
79.8 
15.4 
19 
20 
.700 
Sunday. 
.765 
.631 
.134 
85.4 
92.4 
79.8 
12.6 
21 
.786 
.860 
.715 
.145 
85.6 
91.2 
81.8 
9 4 
22 
.812 
.885 
.739 
.146 
84.1 
91.4 
75.0 
16.4 
23 
.784 
.858 
.707 
.151 
83.5 
92.2 
76.2 
16.0 
24 
.726 
.780 
.619 
.161 
83.9 
91.2 
76.2 
15 0 
25 
.668 
.750 
.561 
.189 
82 1 
92.2 
72.4 
19.8 
26 
27 
.616 
Sunday. 
.717 
.536 
.181 
83.5 
90.4 
, 76.8 
13.6 
28 
.637 
.697 
.576 
.121 
82.6 
89.2 
75.8 
13.4 
29 
.658 
.714 
.604 
.110 
81.2 
89.6 
1 70.7 
18.9 
30 
.686 
.771 
.543 
.228 
80.3 
89.6 
72.5 
1 
17.1 
The Mean height of the Barometer, as likewise the Mean Dry and Wet Bulb 
Thermometers, are derived from the twenty-four hourly Observations made duiiug 
the day. 
