Meteorological Observations. 
xxv 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of August, 1860. 
Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 
Feet. 
Height of tile Cistern of the Standard "Barometer above the Sea level, 18.11 
Daily Means, &c. of the Observations and of the Ilygrometrical elements 
dependent thereon. 
Mean Height of 
the Barometer 
at 32° Faht. 
Range of the Barometer 
during the day. 
)ry Bulb 
nometer. 
Range of the Tempera- 
ture during the day. 
Date. 
Max. 
Min. 
Diff. 
Mean E 
Their 
Max. 
Min. 
Diff. 
Inches. 
Indies. 
Inches. 
Indies. 
o 
o 
o 
o 
1 
29.536 
29.571 
29.479 
0.092 
82.6 
87.0 
79.6 
7.4 
2 
.454 
.546 
.365 
.181 
83.5 
88.2 
80.8 
7.4 
3 
.403 
.455 
.363 
.092 
81.6 
85.4 
79.2 
6.2 
4 
6 
.471 
Sunday. 
.519 
.409 
.140 
82.4 
85.8 
79.2 
G.6 
0 
.539 
.583 
.483 
.100 
84.1 
88.4 
81.0 
7 A 
7 
.594 
.644 
.548 
.096 
82.1 
85.7 
79.8 
5 9 
8 
.621 
.661 
.573 
.088 
81.6 
81 8 
79.0 
5.8 
9 
.627 
.681 
.541 
.140 
85.3 
92.0 
79.4 
12.6 
10 
.603 
.678 
.524 
.154 
87.2 
92.8 
82.6 
10.2 
11 
12 
.515 
Sunday. 
.564 
.424 
.140 
88.5 
95.6 
84.2 
11.4 
13 
.514 
.573 
.470 
.103 
83.5 
87.4 
80.6 
6.8 
14 
.565 
.613 
.511 
.102 
83.5 
88.0 
80.6 
7.4 
15 
.587 
.615 
.526 
.119 
83.9 
87.6 
80.6 
7.0 
16 
.558 
.600 
.486 
.114 
84.1 
88.S 
81.2 
7.6 
17 
.575 
.630 
.530 
.100 
81.5 
82 7 
79.8 
2.9 
18 
19 
.661 
Sunday. 
.722 
.607 
.115 
80.7 
83.5 
78.8 
4.7 
20 
.701 
.748 
.653 
.095 
82.7 
86.8 
79.4 
7.4 
21 
.652 
.710 
.583 
.127 
80.8 
82.6 
78.7 
3.9 
22 
.635 
.678 
.591 
.087 
82.4 
86.2 
79.2 
7.0 
23 
.663 
.696 
.605 
.091 
82.3 
88 6 
79.2 
9.4 
24 
.675 
.715 
.617 
.128 
83.2 
88.4 
79.6 
8.S 
25 
26 
.719 
Sunday. 
.777 
.667 
.110 
82.5 
85.1 
80.0 
5.1 
27 
.751 
.826 
.702 
.124 
82.6 
86.0 
79.0 
7.0 
28 
.722 
.784 
.610 
.114 
85.5 
92.6 
81.0 
11.6 
29 
.669 
.734 
.585 
.149 
86.4 
93.0 
82.2 
10.8 
30 
.652 
.708 
.580 
.128 
86.6 
91.8 
82.8 
9.0 
31 
.683 
.748 
.615 
.133 
86.3 
91.5 
82. G 
8.9 
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 
tho day. 
