Meteorological Observations. Ixvil 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor Generals Office, Calcutta, 
in the month of March, 1863. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
x) 8 _ | Range of the Barometer for = 5 Senos Mt Uehasect = 
Ses each hour during the Qo ae cachy hoe 
e & oS Ea b 5 wes 
our. as BS 2, fa g month, 
=) oe o 
f+ | Max. | Min. | Dif. | 246 | Max. | Min. | Dim 
= = 
Inches. | Inches. | Inches. | Inches. fo) fo) fo) fa) 
Mid- a 
night. 29.833 | 29.906 | 29.731 0.175 (8.1 81.8 75.0 6.3 
1 823 897 .718 79 77 A 81.4 73.6 7.8 
2 813 .888 .716 172 76.7 81.0 734 76 
3 .800 881 -708 178 76.3 80.8 73.2 7.6 
4 797 877 705 ays) 76.0 80.4 72.4 8.0 
5 .805 .891 716 175 75.4 80.0 71.2 8.8 
6 .832 918 | 732 .186 Bal 80.0 71.2 8.8 
7 .851 0957 746 211 75.4 80.2 71.6 8.6 
8 .882 .992 787 .205 78.5 82.8 75,2 1.6 
9 .898 | 30.004 797 .207 81.5 87.8 75.8 | 12.0 
10 .903 014: 811 .203 84.6 90.2 80.6 9.6 
11 .892 017 «798 .219 87.4 92.2 83.8 8.4 
Noon. .867 | 29.992 772 .220 89.8 95.0 85.0 | 10.0 
1 2836 .953 742 211 91.5 97.0 86.2 | 10.8 
2 .807 .925 701 224 92.7 98.6 87.2 | 11.4 
3 .783 .885 687 198 93.1 99.0 86.6 | 12.4 
4 771 874 681 193 92.7 98.8 85.5 | 13.3 
5 771 .858 .688 oL70 89.9 96.4 83.8 | 126 
6 772 .853 .676 77 87.1 94,2 81.9 | 12.3 
7 -785 .859 .698 161 84.5 89.4 80.8 8.6 
8 .806 .881 724 157 82.5 86.8 78.6 8.2 
9 823 .898 754 144 81.0 86.8 77.6 9.2 
10 .830 .913 748 .165 79.9 86.6 76.4 | 10.2 
11 831 915 740 175 78.9 84.0 75.0 9.0 
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. 
