xxxiv Meteorological Observations. 
Abstract of the . "Results of the Hourly Meteorological Observations 
talcen at the Surveyor General’s Office , Calcutta, 
in the month of September, 1860 . 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. — (Continued.) 
Date. 
Mean Wet Bulb Ther- 
mometer. 
t 
Dry Bulb above Wet. 
.3 
o 
pH 
£ 
<u 
Q 
CD 
a 
o 
O 
Dry Bulb above Dew 
Point. 
' 
Mean Elastic force of i 
Vapour. 
Mean Weight of Vapour 
in a cubic foot of air. 
Additional Weight of Va- 
pour required for com- 
plete saturation. 
Mean degree of Humi- 
dity, complete satura- 
tion being unity. 
o 
0 
o 
o 
Inches. 
T. gr. 
T. gr. 
1 
2 
80.9 
Sunday, 
3.3 
79.2 
5.0 
0.976 
10.45 
1.79 
0.85 
3 
81.1 
2.9 
79.6 
4.4 
.989 
.60 
.57 
.87 
4 
80.8 
3.7 
78.9 
5.6 
.967 
.34 
2.01 
.84 
5 
80.7 
2.8 
79.3 
4.2 
.979 
.51 
1.49 
•8S 
6 
80.9 
2.3 
79.7 
3.5 
.992 
.63 
.26 
.89 
7 
80.6 
3.3 
78.9 
5.0 
.967 
.37 
.76 
.86 
8 
9 
79.6 
Sunday. 
2.6 
78.3 
3.9 
.949 
.20 
.34 
.88 
10 
80.4 
1.5 
79.6 
2.3 
.989 
.65 
0.79 
.93 
11 
81.0 
2.6 
79.7 
3.9 
.992 
.63 
1.40 
.88 
12 
81.3 
3.3 
79.6 
5.0 
.989 
.58 
.81 
.85 
13 
80.7 
3.S 
78.8 
5.7 
.964 
.31 
2.04 
.84 
14 
80.8 
3.3 
79.1 
5.0 
.973 
.42 
1.79 
.85 
15 
16 
80.5 
Sunday. 
2.7 
79.1 
4.1 
.973 
.45 
.44 
.88 
17 
81.2 
3.0 
79.7 
4.5 
.992 
.61 
.63 
.87 
18 
80.4 
2.7 
79.0 
4.1 
.970 
.42 
.44 
.88 
19 
79.5 
2.1 
78.4 
3.2 
.952 
.25 
.09 
.90 
20 
78.8 
1.8 
77.9 
2.7 
.937 
.10 
0.91 
.92 
21 
77.9 
3.1 
76.3 
4.7 
.890 
9.59 
1.55 
.86 
22 
23 
80.9 
Sunday. 
4.1 
78.8 
6.2 
.964 
10.31 
2.22 
.82 
24 
81.7 
3.0 
80.2 
4,5 
1.008 
.77 
1.65 
.87 
25 
81.1 
3.8 
79.2 
5.7 
0.976 
.43 
2.06 
.84 
26 
79.7 
2.5 
78.4 
3.8 
.952 
.23 
1.31 
.89 
27 
79.8 
2.7 
78.4 
4.1 
.952 
.23 
.41 
.88 
28 
80.2 
3.0 
78.7 
4.5 
.961 
.31 
.58 
.87 
29 
30 
80.9 
Sunday. 
3.3 
79.2 
5.0 
.976 
.45 
.79 
• 
.85 
All tie Hygrometrical elements are computed by the Greenwich Constants. 
