Meteorological Observations. Xi 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of February, 1865. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 















S 3 a | Range of the Barometer = 5 Range of the Temperature 
“294 for each hour during pq 2 for each hour during 
H 2 2 the month, pb 5 the month, 
our, = A g ; f=: FI = 
Bo , eS 
&22 | Max. Min. Diff. Se | Max. Min. Diff. 
= = 
——— — —S es 
Inches. | Inches.; Inches.| Inches. ° 0) i) o 
Bide 5 . 70.2 
night. 9.967 | 30.053 | 29.873 | 0.180 B 74.6 66.6 8.0 
i .957 .051 863 .188 69.5 74,6 65.6 9.0 
2 947 04.4 853 191 69.1 "3.6 64.6 9.0 
3 .937 .035 845 190 | , 68.7 73.0 64.0 9.0 
4 .937 .036 842 194 68.1 72.2 63.0 9.2 
5 .951 044, 854 .190 67.4 71.8 62.7 9.1 
6 .969 -068 .862 .206 66.8 711 62,2 8.9 
Lf -994 -086 888 198 66.7 WG 61,2 10.4 
8 | 30.023 112 -913 199 69.4 74.8 66.0 8.8 
9 .048 141 945. 196 72.8 78.6 67.8 10.8 
10 .059 157 .953 .204 75.3 81.0 69.0 12.0 
11 .048 «157 917 .240 ak 83.2 70.6 12.6 
Noon. .020 134 904 .230 79.3 85.5 71.4 14.1 
1 | 29.985 .081 .867 214 80.6 86.4 72.2 14,2 
2 951 .048 843 .205 81.6 87.0 75.2 11.8 
5 .932 .025 843 182 81.9 87.8 76.0 11.8 
4 921 .O15 826 189 81.3 86.8 75.6 11.2 
5 922 .019 822 .197 79,9 86.0 74.0 12.0 
6 .927 .033 .802 .231 77.5 83.0 73.0 10.0 
@ 943 047 824 .223 75.5 80.6 72.2 8.4 
8 .958 .055 | .858 197 74.0 78.8 71.1 Te 
9 974 -070 858 212 72.8 Pgh 70.1 7.2 
10 .983 .077 .866 211 ler 76.4 68.6 78 
11 .980 073 878 195 70.8 75,2 67.4 7.8 




The Mean Height of the Barometer, as likewise the Dryand Wet Bulb Ther- 
mometer Means are derived from the Observations made at the several howrs 
during the month. 
