2 Teteoroloqical Observations. 
lvii 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta, 
in the month of December, 1860. 
Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 
Feet. 
• Height of the Cistern of the Standard Barometer above the Sea level) 18.11 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
ependent thereon. 
Date. 
**- U 
O <D 
u U « 
.5® O rg 
(U 
!T! J3 O 
Range of the Barometer 
daring the day. 
£ ^ 
£>§ 
a | 
flange of the Tempera- 
ture during the day. 
Mean I 
the E 
at 32 
Max. 
Min. 
Diff. 
c Jj 
eS r 
O) T-* 
Max. 
Min. 
Diff. 
Inches. 
Inches. 
Inches. 
Inches. 
o 
o 
o 
o 
1 
2 
29.984, 
Sunday. 
30.05S 
29.931 
0.127 
70.3 
80.4 
63.4 
17.0 
3 
.999 
.056 
.950 
.106 
68.7 
79.0 
60.8 
18.2 
4 
.989 
.075 
.943 
.132 
68.9 
77.0 
60.4 
16.6 
5 
.991 
.069 
.937 
.132 
69.7 
78.6 
62.6 
16.0 
6 
.977 
.048 
.926 
.122 
69.6 
79.2 
62.1 
17.1 
7 
.967 
.049 
.905 
.144 
70.3 
80.0 
63.0 
17.0 
8 
9 
.994 
Sunday. 
.090 
.947 
.143 
69.4 
79.9 
61.2 
18.7 
10 
30.016 
.092 
.964 
.128 
67.5 
77.6 
60.2 
17.4 
11 
.014 
.100 
.951 
.149 
66.2 
77.2 
57.0 
20.2 
12 
29.993 
.072 
.932 
.140 
65.7 
77.2 
58.0 
19.2 
13 
.980 
.069 
.935 
.134 
65.5 
77.0 
56.6 
20.4 
14 
.998 
.080 
.946 
.134 
66.4 
78.6 
58.0 
20.6 
15 
16 
30.050 
Sunday. 
.149 
.994 
.155 
65.8 
77.8 
57.2 
20.6 
17 
29.993 
.078 
.932 
.146 
65.1 
76.6 
56.7 
19.9 
18 
.984 
.072 
- .925 
.147 
65.1 
76.4 
56.2 
20.2 
19 
.992 
.063 
.937 
.126 
66.3 
77.0 
57.6 
19.4 
20 
30.007 
.083 
.937 
.146 
66.9 
77.6 
59.6 
18.0 
21 
.033 
.097 
.975 
.122 
67.1 
78.0 
59.9 
18.1 
22 
23 
.050 
Sunday . 
.133 
.973 
.160 
63.8 
75.4 
55.0 
20.4 
24 
.050 
.124 
30.009 
.115 
67.7 
78.6 
58.4 
20.2 
25 
.048 
.126 
.003 
.123 
67.8 
78.7 
59.0 
19.7 
26 
.034 
.120 
29.974 
.146 
66.9 
77.6 
58.2 
19.4 
27 
.028 
.110 
.990 
.120 
68.5 
79.4 
58.8 
20.6 
28 
.023 
.095 
.980 
.115 
67.7 
78.8 
58.9 
19.9 
29 
30 
.044 
Sunday. 
.119 
30.001 
.118 
67.8 
78.6 
59.8 
18.8 
31 
.086 
.172 
.035 
.137 
63.6 
75.6 
54.0 
21.6 
The Mean height of the Barometer, as likewise the Mean Dry and Wat Bulb 
Thermometers are derived from the twenty-four hourly observations made during 
the day. 
