Meteorological Observations. lix 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of February, 1863. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
iro) 2 | Range of the Barometer = 8 Range of the Temperature 
age for each hour during mae for each hour during 
Hour = g loa the month. bs the month. 
4) feel as) as 
ao? : i eS : : 
sc 2 | Max. Min. Diff. se, | Max. Min. Diff. 
= = 
Inches. | Inches.| Inches.) Inches. o to) tv) ti) 
Mid- {, 9 
night. 29.944 \30.010 | 29.863 | 0.147 67.5 71.8 62.4, 9.4 
1 933 .001 .853 .148 66.7 70.8 62.8 8.0 
2 923 |29.992 841 -L51 66.1 69.8 61.2 8.6 
3 914 -981 .835 146 65.2 69.4 60.8 8.6 
4 907 974 .822 152 64.5 69.2 60.2 90 
5 929 |30.007 846 161 63.8 67.6 60.0 7.6 
6 941 04:4 856 .188 63.7 68.8 59.4 9.4 
7 961 .052 874 178 63.6 68.4 596 8.8 
8 .984 .060 .908 6152 66.5 71.4, 61.2 10.2 
9 |30.008 091 .935 £156 69.6 74.3 61.3 13.0 
10 019 .097 943 154 72.9 77.8 62.4 15.4: 
11 007 081 937 144 75.6 81.6 61.9 19.7 
Neon. | 29.984 .060. 917 143 "7.9 84.0 62.6 21.4 
1 .953 .037 .882 .155 79.4 85.8 63.8 | 22.0 
2 .920 007 844 .163 80.4 86.8 64.2 22.6 
3 .898 '29.986 .823 163 80.7 87.8 63.2 24.6 
4 .888 .977 812 .165 80.3 86.4 63.2 23.2 
5 .888 .962 824: .138 79.4 84.9 70.6 14.3 
6 894 .965 .813 0152 75.8 82.6 63.6 19.0 
7 .910 .991 837 154 73.4 79.8 63.0 16.8 
8 .927 |30.011 | 851 .160 72.0 79,2 63.0 16.2 
9 941 .028 .858 .170 70.8 78.6 63.4: 15.2 
10 .946 .020 .850 170 69.7 78.0 62.8 15.2 
il 944 021 1855 166 68,9 77.6 62.0 15.6 
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. 
