lxxvi 
Meteorological Observations, 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office , Calcutta, 
in the month of February, 1861. 
Hourly Means, &c. of the Observations and of the Hygrometl'ical elements 
dependent thereon. — ( Continued.) 
-O 
a> 
C 
<U 
pq 
cs 
O 
fi 
Gs 
. 
> 
> 
Hour. 
Si 
cfl 
O 
S* 
C3 
cs a 
CD 9 
s> 
’a 
pq 
H3 
<U 
pq .5 
<5 Jj 
>» 
t- 
a 
>,2 
H 
O 
O 
O 
0 
0 
0 
0 
Mid- 
night. 
63.3 
4,0 
60.9 
6.4 
i 
62.7 
3.8 
60.4 
6.1 
2 
62.3 
3 5 
60.2 
5.6 
3 
62.1 
3.2 
60.2 
5.1 
4 
61.4 
3.3 
59.4 
5.3 
5 
61.1 
3.2 
58.9 
5.4 
6 
60.6 
3.1 
58.4 
5.3 
7 
60.3 
3.0 
58.2 
5.1 
8 
61.4 
4.5 
58.7 
7.2 
9 
63.3 
7.4 
59.6 
11.1 
10 
63.9 
106 
58.6 
15.9 
11 
64.0 
14.1 
56.9 
21.2 
Noon. 
64.1 
16.9 
55.6 
25.4 
1 
64.5 
18.5 
55 2 
27.8 
2 
64,7 
19.4 
55.0 
29.1 
3 
64,8 
19.7 
54.9 
29.6 
4 
64.6 
19.9 
53.6 ! 
29.9 
5 
65.0 
16.6 
56.7 
24,9 
6 
66 4 
11.1 
60.8 
16.7 
7 
65.2 
9.2 
60.6 
13.8 
8 
64.1 
8.0 
60.1 
12.0 
9 
63.4 
7.2 
59.8 
10.8 
10 
63.4 
61 
60.3 
9.2 
11 
63.9 
4.9 
61 4 
7.4 
Mean Elastic force of 
Vapour. 
Mean Weight of Va- 
pour in a Cubic foot 
of Air. 
Additional Weight of 
vapour required for 
complete saturation. 
Mean degree of Hu- 
midity, complete satu- 
ration being unity. 
Inches. 
Troy grs 
Troy grs 
0.539 
5.97 
1 40 
0.81 
.530 
.88 
.31 
.82 
.527 
.84 
.20 
.83 
.527 
.85 
.08 
.84 
.513 
.70 
.10 
.84 
.504 
.61 
.11 
.84 
.496 
.52 
.07 
.84 
.493 
.49 
.02 
.84 
.501 
.56 
.50 
.79 
.516 
.67 
2.51 
.69 
.499 
.44 
3.74 
.59 
.472 
.10 
5.12 
.50 
.452 
4,87 
6.27 
.44 
,445 
.77 
7.05 
.40 
.442 
.73 
.48 
.39 
.441 
.71 
.61 
.38 
.422 
.52 
.48 
.38 
.469 
5.03 
6.31 
.44 
.537 
.82 
4.22 
.58 
.534 
.81 
3.34 
.64 
.525 
.75 
2.78 
.67 
.520 
.70 
.45 
.70 
.528 
.82 
.06 
.74 
.548 
6.05 
1.66 
.79 
Alt the Hygrometl'ical elements are computed by the Greenwich Constants. 
