Meteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observations 
talcen at the Surveyor General's Office, Calcutta, 
in the month of May, 1860. 
Hourly Means, &e. of the Observations and of the Hygrometrical elements 
dependent thereon. 
O (U 
Range of the Barometer for 
az £ Xi 
each hour during the 
Hour. 
be © 03 
'53 ^ 
month. 
£ ® 2 
qj ~ 53 
Max. 
Min. 
Diff. 
s 
Inches. 
Inches. 
Inches. 
Inches. 
Mid- 
night. 
29.G17 
29.776 
29.461 
0.315 
1 
.607 
.756 
.461 
.295 
2 
.590 
.736 
.453 
.283 
3 
.592 
.729 
.449 
.280 
4 
.602 
.738 
.451 
.287 
5 
.615 
.753 
.473 
.280 
6 
.630 
.763 
.490 
.273 
7 
.650 
.791 
.533 
.258 
8 
.668 
.831 
.535 
.296 
9 
.676 
.845 
.546 
.299 
10 
.674 
.835 
.546 
.289 
11 
.659 
.800 
.531 
.269 
Noon. 
.646 
.792 
.523 
.269 
1 
.623 
.768 
.495 
.273 
2 
.596 
.745 
.479 
.266 
3 
.569 
.721 
.460 
.261 
4 
.547 
.703 
.428 
.275 
5 
.541 
.697 
.417 
.280 
6 
.555 
.756 
•430 
.326 
7 
.581 
.755 
.464 
.291 
8 
.599 
.758 
.477 
.281 
9 
.621 
.807 
.498 
.309 
10 
.625 
.778 
.492 
.286 
11 
.621 
.764 
.452 
.312 
Mean Dry Bulb 
Thermometer. 
Range of the Tempera- 
ture for each hour 
during the 
month. 
Max. 
Min. 
Diff. 
0 
0 
0 
0 
83.5 
87.6 
72.9 
14.7 
83.0 
87.0 
72.8 
14.2 
83.0 
86.8 
73.2 
13.6 
82.6 
86.2 
73.2 
13.0 
82.4 
86.0 
73.5 
12.5 
82.3 
85.6 
74.2 
11.4 
82.4 
86.0 
75.0 
11.0 
83.6 
87.0 
76.8 
10.2 
86.8 
90.6 
81.8 
8.8 
89.5 
93.0 
85.0 
8.0 
92.4 
95.8 
85.5 
10.3 
94.6 
100.4 
81.6 
18.8 
96.3 
102.6 
84.1 
IS. 5 
97.8 
104.6 
85.7 
18.9 
98.2 
105.1 
87.7 
17.4 
98.3 
105.8 
90.0 
15.8 
97.0 
104,8 
90.1 
14,7 
95.0 
103.6 
89.8 
13.8 
91.6 
100 6 
80.0 
20.6 
87.9 
95.0 
75.0 
20.0 
86.1 
92.2 
74.4 
17.8 
84.5 
89.4 
74.3 
15.1 
84.4 
88.6 
73.6 
15.0 
83.9 
88.4 
72.9 
15.5 
The Mean height of the Barometer, as likewise the Mean Dry and Wet Bulb 
lermometers are derived from the observations made at the several hours 
during the month. 
