xi. Meteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of Septexber, 1863. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon.—( Continued.) 
2 | 2) | ee EL Se ee eee 
2 iS Ble 2 _ 2 ee| Bae 
2 ee hee s S62 | EE |og2 
os S © ° ° 2s Seige 
Hour. a 3 a 2 ae ro = 5 a = a oo 
3 2 3 to Whe oS a Oh Secs 
=) 3 = Bech Fl oi) eS 2) Sees 
aha lag ere | 2a | 2 ss. | eoectampoegs 
= 3s Pe 5 Pa B= | Son | SS sesrce- 
a a) S A = Sao es 28 
wie |_ 
ft) 0 ) ) Inches. |Troy grs.|Troy grs. 
aa 791 | 21 | ye | 36 | 0928 |! 9.99 | 122 | 089 
rie FOO | AO | nas I Baw Ses" | ton 18 90 
2 78.8 1.9 77.5 3.2 925 9.98 .06 .90 
3 78.7 1.9 77 A 3.2 922 .95 .06 90 
A 78.6 17 77 A, 29 922 95 0.96 91 
5 786 1.6 17.5 27 925 98 90 92 
6 78.6 1.6 77.5 2.7 925 | 98 .90 92 
by | 79.1 1.8 77.8 Salt 934 10.07 1.03 91 
8 79.9 3.0 77.8 5.1 934 .03 76 85 
9 80.3 35 77.8 6.0 934. 01 2.09 83 
10 80.6 4A 77.5 7.5 925 9.88 65 79 
11 80.7 5.3 77.0 | 9.0 910 71 3.20 VE 
Noon. | 80.7 5.5 76.8 | 9.4 .905 65 34 74, 
1 80.4: 5.0 76.9 8.5 .908 68 00 .76 
2 80.2 4.9 76.8 8.3 205 67 2.90 77 
3 80.3 4.6 77.1. 7.8 913 76 73 78 
A 80.3 4.5 771 747 913 76 70 78 
5 79.9 3.7 We | BS 919 86 17 82 
6 79.8 3.1 77.6 5.3 928 97 1.82 85 
7 79.7 2.7 77.8 | 4.6 .934 | 10.03 58 .86 
8 79.5 2.5 7747 | A3 931 02 AB 87 
9 79,4 2.4 77a Ae AG 931 02 38 88 
20 79.1 23 17.5 3.9 925 9.96 31 88 
1 79.1 21 77.6 3.6 928 .99 22 189 
All the Hygrometrical elements are computed by the Greenwich Constants. 
From the 1st January, 1863, the Greenwich New Factors have been used for 
computing Dew-points. 
