Meteorological Observations. 
xli 
Abstract of the Results of the Sourly Meteorological Observations 
talcen at the Surveyor General's Office, Calcutta, 
in the month of October, 1800. 
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 Ilygrometrical elements 
dependent thereon. 
Mean Height of 
the Barometer 
at 32° Faht. 
Range of the Barometer 
during the day. 
Mean Dry Bulb 
Thermometer. 
Range of the Tempera- 
ture during the day. 
Date. 
Max. 
Min. 
Diff. 
Max. 
Min. 
Diff. 
Inches. 
Inches. 
Indies. 
Inches. 
o 
o 
o 
o 
1 
29.659 
29.717 
29.600 
0.117 
82.1 
88.2 
80.0 
8.2 
2 
.632 
.679 
.570 
.109 
80.8 
83.4 
78.7 
4.7 
3 
.646 
.697 
.594 
.103 
83.5 
87. S 
80.0 
7.8 
4 
.712 
.766 
.655 
•111 
82.9 
85.8 
81.0 
4.8 
5 
.760 
.810 
.706 
.104 
83.4 
88.5 
79.6 
8.9 
6 
7 
.831 
Sunday. 
.883 
.786 
.097 
84.5 
91.2 
79.4 
11.8 
8 
.851 
.927 
.810 
.117 
84.1 
89.4 
79.2 
10.2 
9 
.816 
.885 
.743 
.142 
81.7 
84.6 
79.6 
5.0 
10 
.807 
.872 
.760 
.112 
80.0 
81.6 
78.4 
3.2 
11 
.848 
.920 
.792 
.128 
82.9 
88.3 
78.8 
9.5 
12 
.874 
.940 
.811 
.129 
82.9 
89.0 
78.8 
10.2 
13 
14 
.890 
Sunday. 
.959 
.829 
.130 
83.0 
90.4 
79.0 
11.4 
15 
.848 
.925 
.794 
.131 
82.7 
90.4 
79.6 
10.8 
16 
.847 
.917 
.792 
.125 
82.6 
87.6 
79.2 
8.4 
17 
.849 
.916 
.801 
.115 
83.2 
89.4 
79.0 
10.4 
18 
.872 
.946 
.817 
.129 
82.5 
89.2 
77.2 
12.0 
19 
.876 
.950 
.827 
.123 
81.6 
88.4 
75.4 
13.0 
20 
21 
.855 
Sunday. 
.921 
.811 
.110 
81.5 
88.6 
74.8 
13.8 
22 
.865 
.945 
.809 
.136 
82.4 
89.0 
76.4 
12.6 
23 
.857 
.933 
.802 
.131 
81.3 
86.4 
76.4 
10.0 
24 
.859 
.930 
.809 
.121 
81.8 
88.8 
75.4 
13.4 
25 
.854 
.933 
.791 
.142 
82.0 
88.8 
75.8 
13.0 
26 
.827 
.908 
.758 
.150 
81.0 
87 8 
76.0 
11.8 
27 
28 
.801 
Sunday. 
.870 
.737 
.133 
78.8 
85.0 
72.6 
12.4 
29 
.749 
.802 
.702 
.100 
79.3 
85.2 
74.4 
10.8 
30 
.780 
.840 
.719 
.121 
80.3 
87.2 
74.6 
12.6 
31 
.800 
.871 
.741 
.130 
79.1 
85.8 
74.0 
11.8 
The Mean height of the Barometer, as likewise the Mean Dry and Wet Bulb 
Thermometers are derived from the twenty-four hourly observations made during 
the day. 
