Meteorological Observations. 
exm 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office , Calcutta , 
in the month of June , 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, Sec. of the Observations and of the Hygrometrical elements 
dependent thereon. 
Mean Height of 
the Barometer 
at 32° Falit. 
Range of the Barometer 
during the day. 
Mean Dry Bulb 
Thermometer. 
Range of the Tempera¬ 
ture during the day. 
Date. 
Max. 
‘ i 
Min. 
Diff. 
Max. 
Min. 
Diff. 
1 
Inches. 
Sunday. 
Inches. 
Inches. 
Inches. 
0 
0 
0 
0 
2 
29.638 
29.731 
29.542 
0.189 
86.1 
95.0 
77.6 
17 4 
3 
.641 
.709 
.565 
.144 
84.4 
92.6 
77.4 
15.2 
4 
.549 
.610 
.425 
.185 
88.2 
96.0 
81.0 
15.0 
5 
.510 
.567 
.420 
.147 
85.6 
93.2 
75.6 
17.6 
6 
.568 
.635 
.461 
.174 
84.1 
90.8 
77.2 
13.6 
7 
8 
.625 
Sunday. 
.687 
.551 
.136 
85.7 
91.6 
80.2 
11.4 
9 
.658 
.733 
.572 
.161 
84.7 
91.6 
78.3 
13.3 
10 
.563 
.628 
.465 
.163 
88.6 
96.2 
81.2 
15.0 
11 
.559 
.612 
.504 
.108 
87.2 
95.4 
82.2 
13.2 
12 
.604 
.652 
.524 
.128 
81.4 
83.2 
77.4 
5.8 
13 
.632 
.699 
.563 
.136 
82.5 
90.3 
78 0 
12.3 
14 
15 
.625 
Sunday. 
.686 
.549 
.137 
83.3 
90.2 
77.0 
13.2 
16 
.511 
.566 
.439 
.127 
82.7 
89.2 
79.8 
9.4 
17 
.444 
.482 
.390 
.092 
81.2 
83.8 
79.2 
4.6 
18 
.504 
.604 
.435 
.169 
80.1 
83.4 
75.6 
7.8 
19 
.602 
.645 
.561 
.084 
80.8 
85.8 
75.2 
10.6 
20 
.624 
.682 
.564 
.118 
85.3 
91.7 
80.6 
11.1 
21 
22 
.594 
Sunday. 
.647 
.542 
.105 
85.5 
90.8 
81.8 
9.0 
23 
.519 
.587 
.444 
.143 
86.5 
92.0 
82.7 
9.3 
24 
.541 
.587 
.466 
.121 
86.5 
91.4 
83.0 
8.4 
25 
.511 
.582 
.421 
.161 
84.1 
90.6 
76.4 
14,2 
26 
.438 
.494 
.389 
.105 
85.8 
90.6 
80.4 
10.2 
27 
.416 
.469 
.369 
.100 
85.2 
91.9 
81.0 
10.9 
28 
29 
.402 
Sunday. 
.461 
.322 
.139 
86.1 
92.4 
82.0 
10.4 
30 
.465 
.579 
.391 
.188 
816 
83.8 
80.4 
3.4 
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. 
