Meteorological Observations. 
xei 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Caleutla, 
in the month of December 1871. 
Latitude 22° 33’ 1” North. Longitude 88° 20 34” East. 
Height of the Cistern of the Standard Barometer above the sea level, 18.11 feet. 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
cas 
eS 
a= of 
Date. | & 3 ° 
5 An 
soo | Max. 
=| ~~ a 
Inches. | Inches. 
I 29.932 | 30.006 
2 991 071 
3 30.021 .102 | 
4, .035 116 
5 050 .138 
6 .023 094 
7 -028 L165 
8 .025 104, 
9 .013 088 
10 29.984, .057 
11 30.003 076 
12 048 | .123 
13 104} 174 
14 gs:) 197 
15 114] — .188 
16 080 | 157 
17 102 | .180 
18 114} 179 
19 114} .193 
20 059 | .128 
21 019 | 093 
22 | 29.998 | 071 
23 984] 045 
24 | 30.003} .077 
25 009 | .068 
26 037 | 118 
27 036 | .110 
28 084} 171 
29 100} —.168 
30 056 | .129 
31 036 | 114 
Min. 
Tnehes. 
29.880 
.929 
.973 
.980 
30.004 
29.960 
.968 
972 
948 
.923 
.950 
.995 
30.054 
.062 
.065 
Oll 
.048 
051 
.058 
.006 
29.968 
949 
.926 
.960 
949 
975 
.987 
80.017 
042 
29.994, 
.969 
| 
Range of the Barometer 
during the day. 
Diff. 
Inches. 
0.126 
142 
129 
136 
134 
134, 
147 
132 
140 
134 
126 
128 
120 
-135 
123 
-146 
132 
128 
135 
122 
125 
122 
119 
117 
119 
143 
123 
154 
126 
135 
145 
=| 
3 |Range of the Tempera- 
- 5 ture during the day. 
Re 
Ag er ae eae - 
A | ; 
oo | Max. | Min. | Diff. 
So 
| 2 ae ur 
Oo Oo | Oo 8) 
| 74.5 | 82.5 | 676] 15.0 
74.1 82.3 | 67.0, 15.3 
70.7 79.2 | 64.0] 15.2 
67.9 76.4 | 60.5 | 15.9 
67.7 Woe | 59.9 | 17.4 
69.6 79.2 61.1 | 18.1 
70.8 79.7 | 68.6 | 162 
69.4 78.0 | 62.7 | 153 
69.2 78.5 | 61.9 | 16.6 
69.2 | 79.5 60.4 | 19.1 
70.5 | 80.56 | 632] 173 
69.8 | 79.5 | 64.21 173 
69.3 79.0 | 61.0] 18.0 
66.8 75.4 | 58.6 | 16.8 
66.8 75.5 59.5 | 16.0 
68.1 | 78.0 | 60.5 | 17.5 
68.3 | 76.5 | 61.2] 15.3 
68.4 | 77.2 61.4 | 15.8 
68.7 76.7 61.0 | 15.7 
708°%.\° 780 | Gaol Feo 
69.5 ree | 63.0 | 14.7 
69.9 77.5 63.2 | 143 
69.8 78.2 | 62.0 | 16.2 
70.3 97.7 63.0 | 14.7 
70.9 77.2 66.0 | 11.2 
68.5 75.6 63.0 | 12.6 
67.4 | 75.0 60.0 | 15.0 
64.9 | 74.0 | 58.8] 15.2 
64.2.:\ ‘727 57.0 | 15.7 
65.7 | 75.4 57.8 | 17.6 
68.6 | 78.5 
| eed 18.3 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 
Thermometer Means are derived, from the hourly observations, made at the 
several hours during the day. 
