Meteorological Observations. 
XxvV 
Abstract of the Results of the Tourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of April, 1865. 
Latitude 22° 33’ 1” North. Longitude 88° 20’ 34” East, 
Height of the Cistern of the Standard Barometer above the Sea-level, 18 ft. 11 in, 
Daily Means, &c., of the Observations and of the Hygrometrical elements 
os, 
Bea 
th 
Date. r Fe RS 
Sse 
Ss 
Inches. 
1 29.885 
2 | Sunday. 
3 843 
4 842 
5 1885 
6 814 
7 .786 
8 788 
9 | Sunday. 
10 811 
11 825 
12 872 
13 897 
14 .877 
15 816 
16 | Sunday. 
17 729 
18 824 
19 879 
20 -761 
21 701 
22 744A 
23 | Sunday. 
24 714 
25 .706 
26 .736 
27 782 
28 “729 
29 .639 
30 | Sunday. 

dependent thereon, 
Range of the Barometer 
during the day. 

B 
Inches. 
29.974 
908 
918 
94:7 
.888 
.878 
853 
885 
908 
949 
-985 
-964 
885 
795 
-905 
-969 
852 
778 
795 
-786 
786 
.808 
845 
802 
715 
Min. 
Inches. 
29,802 
789 
735 
811 
737 
715 
731 
-746 
771 
.785 
.833 
-794, 
.731 
675 
716 
809 
664 
622 
673 
647 
629 
653 
693 
637 
526 



Mean Dry Bulb 
Thermometer. 
fo) 
Bo 
© 


Range of the Tempera. 
ture during the day. 
Max, 

Min. 

0 
75.0 
78.4 
73.4 
72.4 
77.0 
79.0 
81.6 

Diff. 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther- 
mometer Means are derived from the hourly Observations made during the day, 
