XXXVI Meteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta, 
in the month of May, 1865. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon,—( Continued.) 
a 




arg ae 
EI 
i 3 
a | oe 
‘ ou ° o 
Hour. es 8 3 S 
g = 3 
= ee) 
| 2 | a z. 
= 3 be g 
a a 3 
° ° 0 
Mid- | 76 | 3.0 | 75.5 
night. 
i 77.5 2.7 75.6 
2 77.2 2.6 75.4 
3 77.0 2.6 75.2 
4 77.3 2.4 75.6 
5 77.8 2.2 758 
6 ides 2.4 (Ee 
7 77.9 28 75.9 
8 78.9 3.8 76.2 
9 79.9 4.8 76.5 
10 80.4 58 76.3 
11 80.9 6.6 76.9 
Noon. 81.2 7 A, 76.8 
1 81.3 7A 76.9 
2 81.2 7.6 76.6 
3 80.9 7.6 76.3 
4 80.6 7.2, 763 
5 79.9 6.6 75.9 
6 79.5 Ball 75.9 
7 78.4 4.3 45.4 
8 77.6 4.0 74.8 
9 CT 3.6 75.2 
i0 77.9 3.2 at, 
11 kod 2.9 75.7 


All the Hygrometrical elements are computed by the Greenwich Constants. 


Dry Bulb above Dew 
———— |— | | 



f 
Mean Plastic forceo 
0.868 
871 
865 
.860 
871 
.876 
871 
879 
.887 
.896 
.890 
.908 
905 
-908 
899 
890 
-890 
879 
.879 
865 
849 
-860 
873 
.873 

Mean Weight of Va- 
pour in a Cubic foot 
Vapour required for 
Additional Weight of 
complete saturation. 
1.64 
49 
40 
39 
32 
-20 
32 
57 
2.20 
83 
3.49 
85 
4.33 
384 
A6 
42 
14 
3.74 
2.99 
42 
21 
1.98 
76 
-60 



Mean degree of Hu- 
midity, complete satu- 
ration being unity. 

