1 
2 
3 
4 
5 
G 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
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31 
Meteorological Observations 
i JResults of the Hourly Meteorological Observations 
i at the Surveyor General*s Office, Calcutta, 
in the month of May , 1861. 
&c. of the Observations aiul of the Hygrometrical elements 
dependent thereon.— (Continued.) 
Dry Bulb above Wet. 
Computed Dew Point. 
Dry Bulb above Dew 
Point. 
1 
Mean Elastic force of 
Vapour. 
Mean Weight of Vapour 
in a cubic foot of Air. 
Additional Weight of Va¬ 
pour required for com¬ 
plete saturation. 
Mean degree of Humidity, 
complete saturation be¬ 
ing unity. 
0 
o 
• 
0 
Inches. 
T. gr. 
T. gr. 
10.5 
72.3 
15.8 
0.783 
8.31 
5.41 
0.61 
8.2 
76.6 
12.3 
.899 
9.54 
4.50 
.68 
6.3 
73.5 
9.5 
.814 
8.72 
3.10 
.74 
4.9 
77.8 
7.4 
.934 
9.99 
.62 
.79 
6.7 
78.3 
10.1 
.949 
10.07 
3.77 
.73 
7.6 
76.9 
11.4 
.908 
9.64 
4,16 
.70 
7.7 
76.5 
11.6 
.896 
.52 
.20 
.69 
6.0 
71.7 
9.0 
.768 
8.28 
2.76 
.75 
6.4 
73.2 
9.6 
.806 
.64 
3.11 
.74 
6.6 
75.9 
9.9 
.879 
9.38 
.45 
.73 
8 3 
76.8 
12.5 
.905 
.57 
4.64 
.67 
7.6 
76.5 
11.4 
.896 
.54 
.10 
.70 
7 3 
76.4 
11.0 
.893 
.51 
3.94 
.71 
7.1 
75.1 
10.7 
.857 
.13 
.70 
.71 
8.0 
76.7 
12.0 
.902 
.56 
4.40 
.69 
4.4 
77.9 
6.6 
.937 
10.02 
2.33 
.81 
4,7 
76.4 
7.1 
.893 
9.58 
.42 
.80 
6.7 
76.8 
10.1 
.905 
.63 
3.62 
.73 
5.3 
78.3 
8.0 
.949 
10.12 
2.90 
.78 
64 
77.6 
9.6 
.928 
9.87 
3.50 
.74 
5.8 
77.9 
8.7 
.937 
.98 
.16 
.76 
4,2 
78.7 
6.3 
.961 
10.29 
2.24 
.82 
5.5 
78.5 
8 3 
.955 
.18 
3.03 
.77 
5,1 
77.6 
7.7 
.928 
9.91 
2.73 
.78 
2.5 
76.2 
3.8 
.887 
.58 
1.23 
.89 
4.4 
76.6 
6.6 
.899 
.63 
2.26 
.81 
4,2 
78.0 
6.3 
.940 
10.07 
.21 
.82 
are computed by the Greenwich Constants, 
