Meteorological Observations , 
lix 
Abstract of tie Results of tie Sourly Meteorological Observations 
talcen at tie Surveyor General's Office, Calcutta, 
in tie month of December, 1860. 
Hourly Means, &c. of tlie Observations and of the Hygrometrical elements 
dependent thereon. 
Hour. 
o s . 
f a is 
,£P o 
*<u n 
Range of the Barometer 
for each hour during 
the month. 
Is .2 
C2 £ 
*7 a 
o 
Range of the Temperature 
for each hour during 
the month. 
S3 PQ 
CJ 03 00 
Max. 
Min. 
Difif. 
a J 
S 
Max. 
Min. 
Diff. 
Inches. 
Indies. 
Inches. 
Inches. 
0 
o 
o 
0 
Mid- 
night. 
30.006 
30.100 
29.964 
0.136 
62.6 
66.4 
57.8 
8.6 
1 
.001 
.090 
.949 
.141 
62.0 
66.0 
57.0 
9.0 
2 
29.994 
.075 
.945 
.130 
61.3 
65.2 
56.5 
8.7 
3 
■9S8 
.067 
.938 
.129 
60.7 
64.4 
56.1 
8.3 
4 
.984 
.051 
.949 
.102 
60.2 
63.8 
56.8 
7.0 
5 
.999 
.079 
.963 
.116 
59.7 
64.0 
54.1 
9.9 
6 
30.019 
.108 
.989 
.119 
59.2 
63.4 
54.0 
9.4 
7 
.041 
.131 
30.005 
.126 
59.3 
64 8 
54.4 
10.4 
8 
.068 
.129 
.029 
.100 
62.6 
66.8 
58.1 
8.7 
9 
.090 
.172 
.041 
.131 
65.9 
71.4 
61.4 
10.0 
10 
.087 
.159 
.034 
.125 
69.8 
74.2 
64.6 
9.6 
11 
.071 
.140 
.021 
.119 
73.1 
77.0 
6S.8 
8.2 
Noon. 
.039 
.116 
29.987 
.129 
75.6 
78.5 
72.4 
6.1 
1 
.006 
.096 
.952 
.144 
77.1 
80.0 
74.4 
5.6 
2 
29.982 
.059 
.924 
.135 
77.9 
80.4 
75.4 
5.0 
3 
.967 
.043 
.911 
.132 
77.4 
79.4 
74.8 
4.6 
4 
.961 
.037 
.905 
.132 
75.2 
77.0 
71.0 
6.0 
5 
.965 
.035 
.919 
.116 
73.2 
75.8 
70.6 
5.2 
6 
.974 
.056 
.927 
.129 
70.4 
73.0 
GO. 8 
6.2 
7 
.991 
.063 
.948 
.115 
68.2 
71.7 
64.4 
7.3 
8 
30.006 
.075 
.955 
.120 
66.6 
69.8 
62.4 
7.4 
9 
.010 
.070 
.962 
.108 
65.4 
- 69.8 
60.4 
9.4 
10 
.019 
.076 
.977 
.099 
64.4 
68.4 
59.8 
8.6 
11 
.016 
« 
.067 
.968 
.099 
63.5 
67.2 
58.9 
8.3 
The Mean Height of the Barometer, as likewise the Mean Dry and Wet Bulb 
Thermometers are derived from the observations made at the several hours 
during the month. 
