xliv 
Meteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor OeneraVs Office, Calcutta, 
in the month of September, 18G1. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon.— (Continued.) 
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p 
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s 
Mean 
pour 
of Ai 
Additi< 
Vapo 
comp 
Meai 
midity 
ration 
o 
0 
0 
0 
Inches. 
Troy grs. 
Troy grs. 
Mid¬ 
night. 
79.4 
2.3 
78.2 
3.5 
0.946 
10.17 
1.20 
0.89 
1 
79.4 
2.1 
78.3 
3.2 
.949 
.22 
.09 
.90 
2 
79.4 
2.0 
78.4 
3.0 
.952 
.25 
.02 
.91 
3 
79.2 
1.9 
78.2 
2.9 
.946 
,19 
0.98 
.91 
4 
79.3 
1.8 
78.4 
2.7 
.952 
.25 
.92 
.92 
5 
78.9 
1.9 
77.9 
2.9 
.937 
.10 
.97 
.91 
6 
78.8 
1.9 
77.8 
2.9 
^934 
.07 
.97 
.91 
7 
79.3 
1.8 
78.4 
2.7 
.952 
.25 
.92 
.92 
8 
80.1 
2.9 
78.6 
4.4 
.958 
.30 
1.52 
.87 
9 
80.6 
3.9 
78 6 
5.9 
.958 
.26 
2.09 
.83 
10 
80.8 
4.6 
78.5 
6.9 
.955 
.21 
.47 
.81 
11 
81.1 
5.1 
78.5 
7.7 
.955 
.18 
.81 
.78 
Noon. 
81.4 
5.6 
78.6 
8.4 
.958 
.21 
3.08 
.77 
1 
81,2 
5.9 
78.2 
8.9 
.946 
.07 
.26 
.76 
2 
81.1 
5.8 
78.2 
8.7 
.946 
.07 
.18 
.76 
3 
81.2 
5,7 
78.3 
8.6 
.949 
.09 
.16 
.76 
4 
80 9 
5.4 
78.2 
8.1 
.946 
.09 
2.93 
.78 
5 
80.5 
4.7 
78.1 
7.1 
.943 
.08 
.53 
.80 
6 
80.5 
3.8 
78.6 
5.7 
.958 
.26 
.02 
.84 
7 
80.5 
3.1 
78.9 
4.7 
.967 
.37 
1.66 
.86 
8 
80.1 
3.0 
78.6 
4.5 
.958 
.28 
.58 
.87 
9 
79.9 
2.8 
78.5 
4.2 
.955 
.27 
.45 
.88 
10 
79.8 
2.6 
78.5 
3.9 
.955 
.27 
.34 
.89 
11 
79.4 
2.4 
78.2 
3.6 
.946 
.17 
.23 
.89 
All the Hygrometrical elements are computed by the Greenwich Constants. 
