lixiv Meteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of April, 1863. 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon.— (Continued). 
) 
é 
a 3 
i> o 
See 
a 
aQ 
ay oo] 
Pi | 2 
F 2 ea 
S| be P 
A = a 
o tr) 
1 77.5 7.5 
2 75.3 8.5 
3 gol 7.6 
4 78.9 7.1 
5 | Sunday. 
6 76.8 10.5 
7 79.3 7.8 
8 76.8 6.3 
9 78.0 6.0 
10 78.8 6.2 
11 78.4 6.1 
12 | Sunday. 
13 76.8 6.6 
14 78.7 5.8 
15 78.5 6.2 
16 75.4 5.4 
17 2) 5-6 
18 aoe 4.9 
19 | Sunday. 
20 76.6 6.1 
21 77.7 Cpl 
22 78.1 7.1 
23 78.3 7.0 
24 78.4 7.5 
25 75.8 7.3 
26 | Sunday. 
27 77.2 7.3 
28 76.5 10.0 
29 77.0 7.2 
30 74.6 5.6 
Computed Dew Point. 
Dry Bulb above Dew 
Point. 
a) 
Wo 
@ 
14.5 
12.9 
12.1 
16.8 
12.5 
10.7 
10.2 
10.5 
10.4 
11.2 
O) 
10.5 
9.2 
9.5 
8.3 
10.4 
12.1 
12.1 
11.9 
12.8 
12.4 
12.4 
16.0 
12.2 
9.5 
of 
Mean BHlastic force 
Inches. 
Mean Weight of Vapour 
in a Cubic foot of air. 
a 
et) 
wn 
pour required for com- 
Additional Weight of Va- 
plete saturation. 
complete saturation be- 
Mean degree of Humidity, 
ing unity. 
AS 
AAAD 
OA st 
All the Hygrometvical elements are computea by the Greenwich Constants. 
From the Ist January, 1863, the Greenwich New Factors haye been used 
for computing Dew-point. 
