Meteorological Observations. xxxui 
Abstract of tie Results of tie Hourly Meteorological Observations 
taken at tie Surveyor General's Office, Calcutta, 
in the month of September, 1860. 
Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 
Feet. 
Height of the Cistern of the Standard Barometer above the Sea level, 18.11 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
O a> 
4-> • 
4J O " 
Range of the Barometer 
iange of the Tempera- 
— ° tS 
to % 
during the day. 
”§ 
p a 
ture during the day. 
Date. 
ea 
a 
Max. 
Min. 
DifF. 
<D 
S H 
Max. I 
Min. 
Diff. 
Inches. 
Inches. 
Inches. 
Inches. 
o 
o 
0 
0 
i 
29.687 
29.737 
29.'611 
0.126 
84.2 
89.6 
81.5 
8.1 
2 
Sunday. 
3 
.686 
.740 
•640 
.100 
84.0 
89.6 
80.8 
8.8 
4 
.691 
.752 
■625 
.127 
84.5 
89.4 
80.8 
8.6 
5 
.712 
.762 
.666 
.096 
83.5 
87.4 
81.2 
6.2 
6 
.724 
.791 
.669 
.122 
83.2 
88.6 
81.2 
7.4 
7 
.660 
.724 
.574 
.150 
83.9 
89.5 
80.2 
9.3 
8 
.586 
643 
.507 
.136 
82.2 
86.0 
79.4 
6.6 
9 
Sunday. 
10 
.724 
.794 
.658 
.136 
81.9 
83.8 
81.0 
2.8 
11 
.706 
.774 
.621 
.153 
83.6 
89.2 
80.0 
9.2 
12 
.684 
.736 
.613 
.123 
84.6 
91.0 
81.0 
10.0 
13 
.710 
.767 
.660 
.107 
84.5 
89.6 
80.8 
8.8 
14 
.701 
.766 
.641 
.125 
84.1 
89.0 
80.4 
8.6 
15 
.627 
•6S3 
.567 
.116 
83.2 
88.4 
80.6 
7.8 
16 
Sunday. 
17 
.588 
.650 
.536 
.114 
84.2 
89.1 
81.4 
7.7 
18 
.563 
.610 
.504 
.106 
83,1 
90.0 
80.0 
10.0 
39 
.509 
.558 
.443 
.115 
81.6 
85.6 
79.4 
6.2 
20 
.505 
.608 
.417 
.191 
80.6 
82.8 
78.2 
4.6 
21 
.653 
.717 
.563 
.154 
81.0 
86.2 
77.2 
9.0 
22 
.694 
.745 
.635 
.110 
85.0 
91.2 
79.0 
12.2 
23 
Sunday. 
24 
.694 
.756 
.620 
.136 
84.7 
89.2 
82.4 
6.8 
25 
.718 
.787 
.635 
.152 
84.9 
91.1 
81.3 
9.8 
26 
.725 
.793 
.671 
.122 
82.2 
88.4 
80.4 
8.0 
27 
.714 
.772 
.653 
.119 
82.5 
89.8 
79.6 
10.2 
28 
.719 
.796 
.642 
.154 
• 83.2 
88.2 
79.8 
8.4 
29 
.703 
.777 
.630 
.147 
84.2 
91.2 
80.4 
10.8 
30 
Sunday. 
1 
The Mean height of the Barometer, as likewise the Mean Dry andWet Bulb 
Thermometers are derived from the twenty-four hourly observations made during 
the day. 
