Meteorological Observations. xclx 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of July, 1863. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
CS 2 u | Range of the Barometer = o Range of the Temperature 
age for each hour during AS for each hour during 
H = 2 the month. © bo the month. 
Ti | fasts a 
=| @ oO : 4 a 2 : 
sa | Max. Min. Diff. Sian iMlaxe Min. Diff. 
= = 
Inches. | Inches.| Inches.| Inches. ° 0 0 0 
wae 5 (29.422 2 81.6 
night. 29.5384 \29.665 | 29.422 | 0.243 F 83.0 80.4. 2.6 
1 526 645 .398 247 81.3 82.8 80.0 2.8 
2 519 636 | .391 245 81.1 82.7 79.8 2.9 
3 509 .623 389 .234 | 80.9 82.5 79.6 2.9 
4 013 621 .385 .236 80.8 82.4 79.6 2.8 
5 .009 631 398 .233 80.6 82.3 78.8 Ge 
6 528 651 408 243 80.6 82.2 79.0 3.2 
7 Ad .665 423 242 81.3 83.2 79.8 3.4 
8 .500 .668 430 .2388 | 82.9 85.4: 79.0 6.4 
9 .560 .683 437 246 | 84.0 86.7 79.5 7.2 
10 .560 .687 429 .258 | 85.2 88.0 80.3 Wer 
il 004 .688 420 .268 86,0 89.0 81.4 7.6 
Noon. .538 .679 .395 284 | 87.1 91.1 83.0 8.1 
1 519 .655 370 289 86.6 91.3 82.0 9.3 
2 A97 .631 349 .282 86.7 91.3 82.8 8.5 
3 480 616 329 .287 | 86.8 92.4 81.0 11.4 
4 465 .609 316 .393 85.8 89.5 81.1 8.4 
5 AG4 .609 12 .285 85.0 | 87.8 81.6 6.2 
6 470 .609 824 .285 84.3 87.4 82.2 5.2 
7 AGA .625 304 271 83.4 85.6 81.4 4.2 
8 514 641 381 .260 82.9 85.2 81.2 4.0 
9 533 .660 400 .260 82.6 85.0 80.4: 4.6 
10 046 .670 A2ZL .249 82.2 84.7 80.4 4,3 
11 043 678 A422 256 81.9 | 84.5 80.4: 41 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther- 
mometer Means are derived from the Observations made at the several hours 
during the month. 
