‘liv 
Abstract of the Results of the Hourly Meteorological Observations 
Meteorological Observations. 
taken at the Surveyor General's Office, Calcutta, 
in the month of June, 1865. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 







a a wey EB Ss 
3 2 a= S = 
o A ° 
"a "4 ie : 
ape 8 5 3 ‘8 
Hour, = s 3 Aa < = . 
| 2 3 23 | ee 
=e) EI = Ble Fo 
& 8 FQ a. AAs he 
so be g bay SS 
SS =) ° i 
& a iS) (a) = 
° ° ° to) Inches. 
ee 81.6 | 23 | 80.0 | 39 | 1.001 
ak 81.3 2.2 79.8 3.7 0.995 
2 81.2 2.0 79.8 3.4 .995 
3 81.0 1.9 79.7 3,2 -992 
4 81.0 1.9 79.7 3.2 -992 
5 80.9 2.0 79.5 3.4 -986 
6 81.1 1.9 79.8 3.2 .995 
7 81.2 2.5 79.4, 4.3 -983 
8 81.8 3.3 79.5 5.6 .986 
9 82.2 4.3 79.6 6.9 .989 
10 82.7 5.1 79.6 8.2 .989 
11 83.1 5.7 79.7 9.1 .992 
Woon. 83.1 6.7 79.1 10.7 973 
af 83.5 6.8 79,4 10.9 983 
2 83.4 7.0 79.2 11,2 .976° 
3 83.4 7.0 79.2 11.2 .976 
4 83.1 65 79.2 10,4 .976 
5) 82.6 6.0 79.0 9.6 .970 
6 82.0 533 78.8 8.5 964 
Fh 82.0 AL 79.1 7.0 973 
8 81.7 3.5 79.2 6.0 976 
9 81.7 3.1 79.5 5.3 .986 
10 81.7 2.7 79.8 4.6 .995 
11 81.6 2.6 79.8 4.4, .995 


All the Hygrometiiical elements are computed by the Greenwich Constants. 



dependent thereon,—( Continued.) 
pour in a Cubic foot 
Mean Weight of Va- 
of air. 
Troy grs.|Troy grs. 
10.72 
.66 
69 
66 
.66 
60 
.69 
4 
53 
04 
52 
53 
Vapour required for 
complete saturation, 
$$$ —r—r—r—r—r—r—r—r—r———————————————— a ror 
Additional Weight of 
Mean degree of Hu- 
midity, complete satu- 
ration being unity. 




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