Meteorological Observations 
XXVil 
Abstract of the 'Results of the Hourly Meteorological Observations 
talcen at the Surveyor General's Of ice, Calcutta , 
in the month of July , 1861. 
Hourly Means, Scc. of the Observations and of the Hygrometrical elements 
dependent thereon. 
Hour. 
•U-. %- 
o a> 
-4-9 
43 ^ J 
£ sx 
too o 73 
‘55 ~ ^ 
e 
cS ^3 -u 
<d -p d 
§ 
Range of the Barometer for 
each hour during the 
month. 
Dry Bulb 1 
mometer. 
Range of the Tempe rtf- 
ture for each hour 
during the 
month. 
Max. 
Min. 
Dim 
r- S 
£ -a 
a> Sr* 
Max. 
Min. 
Dim. 
—-,— 
Inches. 
Inches. 
Inches. 
Inches. 
0 
0 
0 
0 
Mid¬ 
night. 
29.546 
29.631 
29.341 
0.290 
81.6 
83 3 
79.2 
4.1 
1 
.538 
.648 
.333 
.315 
81.3 
83.0 
79.2 
3.8 
2 
.527 
.640 
.325 
.315 
81.1 
83.0 
79.2 
3.8 
3 
.514 
.638 
.316 
.322 
80.9 
83.0 
79.2 
3.8 
4 
.524 
.632 
.370 
.262 
80.9 
82.6 
79.2 
3.4 
5 
.517 
.643 
.321 
.322 
80.6 
82.4 
79.2 
3.2 
6 
.534 
.649 
.353 
.296 
80.7 
82.4 
78.8 
3.6 
7 
.550 
.658 
.388 
.270 
81.3 
83.3 
79.2 
4.1 
8 
.576 
.672 
.394 
.278 
82.9 
85.4 
78.8 
6.6 
9 
.573 
.673 
.399 
.274 
84.1 
86.6 
79.9 
6.7 
10 
.573 
.678 
.404 
.274 
85.0 
88.0 
80.8 
7.2 
11 
.567 
.670 
.382 
.288 
85.6 
90.2 
80.6 
9.6 
Noon. 
.552 
.650 
.374 
.276 
85.4 
90.4 
80.1 
10.3 
1 
.537 
.639 
.353 
.286 
85.6 
90.2 
79.8 
10.4 
2 
.517 
.625 
.335 
.290 
85.7 
91.0 
79.0 
12.0 
3 
.500 
.609 
.305 
.304 
85.9 
91.6 
80.7 
10.9 
4 
.483 
.589 
.263 
.326 
85.5 
89.6 
80.6 
9.0 
5 
.482 
.591 
.259 
.332 
84.8 
88.6 
79.4 
9.2 
6 
.495 
.601 
•285 
.316 
83.8 
88.4 
79.2 
9.2 
7 
.510 
.614 
.296 
.318 
82.9 
86.3 
78.4 
7.9 
8 
.529 
.643 
.313 
.330 
82.5 
85.2 
79.1 
6.1 
9 
.547 
.662 
.334 
.328 
S2.3 
84.2 
79.6 
4.6 
10 
.558 
.673 
.351 
.322 
82.0 
83.9 
78.8 
5.1 
11 1 
.559 
.669 
.350 
.319 
1 
81.7 
83.8 
1 
78.8 
5.0 
* 
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. 
