Meteorological Observations. 
xvn 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office , Calcutta, 
in the month of July, 1860. 
Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 
Feet. 
Height of the Cistern of the Standard Barometer above the Sea level, 18.1 1 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
O oj 
U ( 1 ) 4 J 
Si! 
JO £ 
Range of the Barometer 
during the day. 
3 5 
P » 
to 
Q | 
[tange of the Tempera- 
ture during the day. 
Date. 
^ CQ <M 
c V 00 
03 A2 
Max. 
Min. 
Diff . 
fiJS 
05 zJl 
a > c “* 
Max. 
Min. 
Diff. 
1 
Inches. 
Sunday. 
Inches. 
Inches. 
Inches. 
0 
0 
0 
o 
2 
29.530 
29.584 
29.462 
0.122 
■ 85.3 
91.4 
81.0 
10.4 
3 
.521 
.558 
.457 
.101 
85.5 
91.3 
7 S .6 
12.7 
4 
.524 
.561 
.458 
.103 
85.0 
89.6 
82.2 
7.4 
5 
.539 
.586 
. 48 S 
.098 
85.3 
90.6 
81.4 
9.2 
6 
.532 
.569 
.478 
.091 
85.5 
90.6 
82.5 
8.1 
7 
8 
.500 
Sunday. 
.537 
.434 
.103 
85.3 
90.4 
82.0 
8.4 
9 
.523 
.561 
.482 
.079 
85.7 
90.8 
81.6 
9.3 
10 
.505 
.566 
.468 
.098 
87.3 
93.8 
82.8 
11.0 
11 
.446 
.494 
.373 
.121 
88.8 
96.8 
82.0 
14.8 
12 
.456 
.519 
.401 
.118 
87.0 
96.4 
83.4 
13.0 
13 
.511 
.575 
.458 
.117 
87.0 
94.0 
81.4 
12.6 
14 
15 
.534 
Sunday. 
.574 
.486 
.088 
85.4 
89.8 
82.0 
7.8 
1 G 
.561 
.622 
.515 
.107 
82.6 
87.4 
79.8 
7.6 
17 
.584 
.624 
.527 
.097 
83.2 
88.8 
80.0 
8.8 
18 
.599 
.644 
.537 
.107 
83.7 
88.6 
80.0 
8.6 
19 
.567 
.605 
.514 
.091 
83 7 
87.2 
80.7 
6.5 
20 
.578 
.619 
.502 
.117 
83.0 
84.8 
80.6 
4.2 
21 
22 
.552 
Sunday. 
.592 
.491 
.101 
83.3 
87.8 
80.6 
7.2 
23 
.579 
.637 
.536 
.101 
79.4 
81.6 
77.0 
4.6 
24 
.592 
.635 
.532 
.103 
80.7 
87.2 
77.8 
9.4 
25 
.532 
.573 
.476 
.097 
80.7 
83.4 
78.0 
5.4 
26 
.496 
.546 
.434 
.112 
79.6 
80.6 
77.9 
2.7 
27 
.508 
.561 
.460 
.101 
81.6 
84.1 
78.4 
5.7 
28 
29 
.511 
Sunday. 
.545 
.464 
.081 
81.8 
87.2 
77.6 
9.6 
30 
.512 
.574 
.451 
.123 
82.3 
85.7 
79.0 
6.7 
31 
.537 
.586 
.471 
.115 
82.9 
89.0 
79.2 
9.8 
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. 
Lv) tO Cl 05 00 05 
