Meteorological Observations 
xix 
Abstract of the _"Results of the Hourly Meteorological Observations 
talcen at the Surveyor General's Office. Calcutta, 
in the month of June , 1861. 
Hourly Means, 
&c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
W 4-' • 
Range of the Barometer 
3 2 
Rang 
e of the Te 
mperature 
f s ■% 
for each hour during 
« g 
for 
each hour during 
Hour. 
s 
PQ <n 
the month. 
Q g 
the month. 
S3 » CO 
OS JS -•-> 
(u « a 
Max. 
Min. 
Diff. 
e 2 
Max. 
Min. 
Diff. 
§ 
§ 
Inches. 
Inches. 
Inches. 
Inches. 
0 
0 
0 
0 
Mid¬ 
night. 
29.591 
29.754 
29.443 
0.311 
81.4 
81.4 
78.6 
5.S 
1 
.575 
.741 
.425 
.316 
81.1 
83.8 
78.6 
5.2 
2 
.560 
.733 
.423 
.310 
80.6 
83.6 
77.4 
62 
3 
.569 
.721 
.418 
.303 
80.6 
83.4 
76.8 
6.6 
4 
.548 
.711 
.386 
.325 
80.0 
83.6 
76.6 
7.0 
5 
.564 
.721 
.372 
.349 
80.1 
83.2 
76.4 
6.8 
6 
.576 
.739 
.352 
.387 
80.1 
83 6 
77.0 
6.6 
7 
.590 
.747 
.359 
.388 
80.6 
84.3 
76.8 
7.5 
8 
.604 
.766 
.305 
.461 
82.0 
86.2 
76.0 
10.2 
9 
.608 
.779 
.323 
.456 
83.3 
89.2 
76 6 
12.6 
10 
.607 
.772 
.305 
.467 
84.4 
90.8 
77.0 
13.8 
11 
.605 
.765 
.323 
.442 
85.5 
91.6 
77.6 , 
14.0 
Noon. 
.592 
.750 
.332 
.418 
86.6 
91.8 
77.2 
14.6 
1 
.573 
.739 
.311 
.428 
87.1 
93.2 
77.0 
16.2 
2 
.550 
.712 
.290 
.422 
87.2 
94.9 
77.4 
17.5 
3 
.528 
.683 
.305 
.378 
86.9 
92.4 
77.6 
14 8 
4 
.515 
.670 
.310 
.360 
86.0 
91.5 
77.6 
13.9 
5 
.520 
.675 
.381 
.294 
86.4 
91.2 
78.8 
12.4 
6 
.528 
.678 
.358 
.320 
84.8 
90.0 
77.4 
12.6 
7 
.549 
.695 
.374 
.321 
83.8 
89.3 
77.4 
11.9 
8 
.569 
.742 
.420 
.322 
83.1 
88.0 
77.8 
10.2 
9 
.590 
.757 
.432 
.325 
82.6 
87.0 
78.4 . 
8.6 
10 
.602 
.774 
.446 
.328 
82.0 
86.4 
77.6 
8.8 
11 
.600 
.770 
.449 
.321 
81.8 
85.0 
78.4 
6.6 
The Mean Height of the Barometer, as likewise the Mean Dry and Wet Bulb 
Thermometers are derived from the Observations made at the several hours 
during the month. 
