Meteorological Observations. Ixxxiil 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta, 
wn the month of November 1866. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
‘S83 Range of the Barometer rz. | Range of the Tempera- 
as 8 i for each hour during cA 3 ture for each hour 
oa the month. 2 during the month. 
Hour.) © 2s Ad 
aA am 
23 | Max. | Min. | Dif. | 3% | Max. | Min. | Diff 
ae an 
Inches. | Inches. | Inches. | Inches. fo) to fe) Sy) 
Mid- 
night.| 29.990 | 30.104 | 29.861 | 0.243 73.2 80.8 | 67.4) 13.4 
1 984 .102 852 .250 72.6 80.2 66.6 | 13.6 
2 977 100 845 -250 72.0 79.4 65.6 | 13.8 
3 sk .100 833 267 71.6 79.0 64.8 | 14.2 
4 .969 105 .829 276 71.0 78.0 64.0 | 14.0 
5 978 lll 850 .261 70.4 77.4 64.0 | 13.4 
6 994 122 .872 .250 69.9 77.0 63.2 | 13.8 
7 30.916 144, 894 .250 70.3 174, 62.0 | 15.4 
8 037 154 902 252 73.0 79.8 64.4 | 18.4 
9 052 163 910 .253 70.6 81.8 67.0 | 14.8 
10 050 157 915 242 78.7 85.2 69.9 | 15.3 
11 .028 132 893 239 80.7 87.0 73.2 | 13.8 
Noon. .002 .105 860 | .245 82.0 87.4 | 75.0 | 12.4 
1 | 29.971 072 825 | .247 82.6 SIS Vie MOud lett 
2 .949 049 801 248 83.1 87.4 77.4 | 10.0 
3 936 037 £86 | .251 83.0 88.6 | 78.0 | 10.6 
4A, .932 043 189 204 81.5 87.0 76.4 | 10.6 
5 941 059 798 .261 80.3 85.8 75.8 | 10.0 
6 953 072 .805-| .267 78.2 84.2 | 73.3 | 10.9 
7 ia 087 .840 247 76.8 83.0 71.61 11.4 
8 .989 .095 893 242 75.9 82.3 69.6 | 12:7 
9 30.001 112 856 246 75.1 81.6 69.4 | 12.2 
10 007 slate 867 | .244 74.3 81.2 | 68.6 | 12.6 
11 002 .108 868 | .240 73.6 | 80.8 | 68.2 | 12.6 
} 
| 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 
Thermometer Means are derived from the obseryations made at the several 
hours during the month. 
