Meteorological Observations. 
XVil 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of March, 1865. 
Latitude 22° 33’1” North. Longitude 88° 20’ 34” East. 
Feet. 
Height of the Cistern of the Standard Barometer above the Sea-level, 18.11. 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 



rEg 
Baga 
ore 
2 3, 
Date. | “oS 
ee 
a 
Inches 
1 | 30.017 
2 29.966 
3 923 
4 -909 
5 , Sunday 
6 927 
7 -930 
8 -929 
9 +924 
10 948 
11 962 
12 | Sunday 
13 .937 
14 951 
15 .957 
16 30.004: 
ay 29.998 
18 961 
19 Sunday 
20 ~ 948 
21 946 
22 .893 
23 .859 
24 .838 
25 848 
26 | Sunday. 
27 851 
28 828 
29 852 
30 859 
31 .880 
Range of the Barometer 
during the day. 

Max. 
Inches. 
30.094 
-040 
-000 
29.971 
992 
30.021 
29.996 
30.00 
043 
023 
009 
.057 
.029 
094 
-090 
.039 
-032 
-039 
29.975 
948 
-908 
925 
932 
-912 
921 
940 
963 

Min. 
Inches. 
29,957 
.907 
832 
.820 
852 
867 
.880 
874 
888 
914 
893 
-887 
-900 
952 
937 
586 
894 
881 
819 
174 
-790 
795 
781 
-765 
790 
813 
828 


Diff. 
Inches. 

Mean Dry Bulb 
Thermometer, 
I 
we 
oO 
75.9 

Range of the Tempera. 
ture during the day. 
86.7 
§3.8 
843 
86.6 
87.8 
91.4 
93.2 
91.2 
94.8 
94.4 
94.7 
96.3 
97.6 
97.8 
94.3 
93.8 
95.0 


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. 
