Meteorological Observations. TW 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of August, 1863. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
6 8 _ | Range of the Barometer for = 5 Betce 2 eng pone 
a s a each hour during the ao Eee hour 
oO g during the 
H O'S monte Eye month 
our. | mS o Ag . 
=| 29 ; : fal ; : 
gon Max. Min. Diff. ac Max. | Min. | Diff. 
= a 
Inches. | Inches. | Inches. | Inches. 0) Co) Co) Oo 
Mid- 5) : 
might, 29.565 | 29.715. | 29.415 0.300 81.3 83.6 79.2 4.4: 
1 551 “712 387 2325 81.0 82.8 78.4) 4A 
2 41 -706 362 a 44 80.9 83.0 78.6 4.4; 
3 .536 688 2354 304 80.7 83.2 78.4 4.8 
4. 540 679 A424 255. 80.7 82.8 78.0 4.8 
5 535 688 300 338. 80.5 82.3 75.4 6.9 
6 553 .698 .366 302 80.6 82.2 76.0 6.2 
7 567 123 382 841 80.9 82.6 76.0 6.6 
8 590 (29 458 271 82.2 84,4: 76.7 7.7 
9 594 741 407 334 83.2 86.2 17.2 9.0 
10 594 746 418 328 84.2 87.2 78.4: 8.8 
11 589 £743 423 .320 85.0 88.8 79.4 9.4 
Noon 578 730 24 -306 85.6 89.6 79.8 9.8 
1 -560 WAL 432 287 85.7 89.6 80.6 9.0 
2 537 .697 A401 296 85.3 90.3 79.8 | 10.5 
3 518 674. 396 278 85.1 90.6 80.6 | 10.0 
4 504 .659 378 281 84.9 90.0 80.3 9.7 
5 oll 669 392 277 84.5 88.2 81.2 7.0 
6 .518 694, .a90 304 83.5 86.8 80.6 6.2 
7 539 681 A418 263 82.6 85.6 78.2 WA 
8 500 691 439 202, 82.2 85.0 78.4 6.6 
9 571 -719 54: 265 $2.1 84.8 79.0 5.8 
10 .083 124, 464) .260 81.9 84.0 78.8 52 
il 581 21 454, 267 81.6 84.6 73.8 5.8 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 
Thermometer Means are derived from the Observations made at the several hours 
during the month, 
