Ixviil Meteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of March, 1868. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon.—( Continued). 
Baie (ee oS le cl eae 
a ae 3 & “5 |sea | es 
He) 2 > ° 4h) (es += 
= 5 i i) Ome oe , (ood os 
Hour.| © a A B ie e's eo 2 (3°s 
@ 2 2 3 fel Se ees eae, bp 5 
Be |e) | ie lee | Se 6 soe eee 
ge RO) MS | pa | Boe 28 Sere ae 
= a iS) a =) = 4 = 
0 0) () Oo Inches. |Troy grs.|Troy grs. 
Mid- ss : = 
night. (2.7 5.4 68.9 9.2 | 0.701 7.60 2.62 0.74: 
1 72.4 5.0 68.9 8.5 -701 .60 41 76 
Z 718 4.9 68.4: 8.3 -690 50 .30 17 
3 72.0 4.3 69.0 7.3 «704 .65 04: 19 
4: 71.8 4.2 8.9 foal .701 63 U7 .80 
5 71.7 3.7 69.1 63 706 .69 74 82 
6 71.0 4.1 68.1 7.0 684. 44. .90 .80 
7 71.1 4.3 68.1 Tek .684: 44 $5) of) 
8 72.0 6.5 67.4 Iileil .668 23 3.12 -70 
9 72.4 9.1 66 0 15.5 .638 6.85 4,46 61 
10 73.2 11.4 65.2 19.4 .621 .65 5.74 .o4 
11 734 14.0 65.0 22.4 617 57 6.88 49 
Noon.| 74.1 | 15.7 64.7 | 25.1 611 AT 7.95 A5 
1 74.3 17.2 64.0 27.5 | .597 28 8.87 42 
2 74.7 | 18.0 63.9 | 28.8 2595 25 9.43 40 
3 74.3 18.8 63.0 | 30.1 078 .08 78 38 
4 74.7 18.0 63.9 | 28.8 595 .25 43 40 
5 74.6 15.3 65.4 24.5 .626 61 7.85 4G 
6 TA.9 12.2 67.6 19.5 .672 7.14 6.19 204 
7 7A 2 10.3 67 0 17.5 .659 04 5.31 57 
8 73.8 8.7 67.7 14.8 674 2A 4,40 .62 
9 73.5 7.5 68.2 12.8 .686 08 3.76 .66 
10 73.1 6.8 68.3 11.6 .688 AZ .o6 .69 
11 73.0 5.9 68.9 10.0 “701 .09 2.88 3 
| 
All the Hygrometrical elements are computed by the Greenwich Constants. 
From the Ist January 1863, the Greenwich New Factors have been used 
for computing Dew-point. 
