li 
leteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observations 
taken 
at the Surveyor General's Office, Calcutta, 
in the month of January, 1863. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
Hour. 
MOODTIA MA WHE: 
ft fo 
Noon. 
moO ONTOS OU CO DS 
fo food 
Mean Wet Bulb Ther- 
mometer, 
° 
60.1 
59.3 
58.8 
58.5 
58,1 
56.9 
57.0 
56.8 
58.6 
60.0 
61.4 
62,8 
63.4 
64,1 
64.4 
64.6 
64.1 
64,2 
64.4 
63 6 
62.9 
62.3 
61.6 
61.1 
dependent thereon.—( Continued), 
ae a | 6 o 1 © wo 1 © 29 
o r=] o sf OS om ° ~~ 
Bo) ee | Bee ee 
2 5 S OS ES! omen alam 
io) oO i=) Ce op es , o 2 a) fo) 
2 a 3 Sete weiss aS 
Ge aS Se a ies. Soo le S 
S 3 ee tape lees |eas ole ce 
I 2 ee, Bs |B, oo 1§ 68 clos fe 
ra a. el: Pi so |5 Sisle= 2s 
E a pe | SS | Bae SrPStisaas 
A 5 1S = = 4 = 
0 ° re) Inches. |Troy grs./Troy grs. 
3.4 57.0 6.5 0.473 5.27 1.28 - 0.81 
3.4: 56.2 6.5 A461 14 25 80 
3.3 55.8 6.3 455 09 18 SL 
3.1 55.7 5.9 453 07 10 82 
3.1 50.3 5.9 447 -OL .09 82 
3.0 54.2 5.7 431 4.83 .02 Fists) 
2.9 54.4 5.9 434 86 0.99 38 
2.8 54,3 5.3 A432 86 94 84 
4.4, 54.6 8.4 437 .88 1.57 | 76 
5.5 55 6 9.9 452 5.02 96 72 
7.0 55.8 12.6 455 02 2.60 .66 
8.5 56.0 | 15.3 458 02 3.31 60 
10.2 56.3 17.3 462 05 Aste) a7 
10,8 56.9 18.4: 465 07 4.21 .00 
11.6 56,3 Ur / 462 02 538 ay] 
11.9 56.3 20.2 A468 .02 73 02 
11.2 56.3 ONO) 462 .03 37 OL 
8.8 57.2 15.8 476 .20 3.56 09 
6.5 09.2 Aloe .009 5.09 2.64 .68- 
5.9 59 2 9:9 .009 62 16 72 
5.0 58.9 9.0 004 OF 1.94: AYE! 
4.4) 58.8 7.9 .503 06 67 17 
4.0 58.4 | 7.2 496 .50 .00 79 
3.5 58.3 6.3 494 49 29 81 
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. 
