Meteorological Observations. | XEKV 
» Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta, 
in the month of May 1866. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
63 Range of the Barometer = .. | Range of the Tempera- 
ce for each hour during aS ture for each hour 
Sin) . 
eS the month. 2 during the month. 
as e 
Hour. 3 a0) A 5 
N a = 
s es oo | Max. Min. Diff. 5 a Max. | Min. | Diff. 
jas a 
Inches. | Inches. | Inches. | Inches. fc) oO ° oO 
Mid- 
night.| 29.660 | 29.868 | 29.545 | 0.323 82.2 86.8 | 73.2 | 13.6 
1 .650 .858 534 | .324, 81.9 86.2 | 73.2 | 13.0 
‘2 .639 .839 525 314 81.7 85.6 72.9 | 12.7 
3 .630 826 511 315 81.4 85.8 72.6 | 13.2 
4 635 823 531 .292 81.1 85.8 72.2 | 13.6 
5 646 .830 540 | .290 81.0 85.6 | 71.7.) 13.9 
6 .660 846 571 275 81.1 86.6 72.0 | 14.6 
7 677 .868 573 | .295 82.5 88.2 | 73.4 | 14.8 
8 .693 895 582 313 85.2 89.8 77.0 | 12.8 
9 400 -900 582 318 88.1 93.6 80.7 | 12.9 
10 701 .896 582 | .314 90.5 96.5 | 83.6 | 12.9 
11 .690 874 .568 | .306 92.6 97.4 | 85.2 | 12.2 
Noon. 673 851 548 303 94.1 101.4 85.6 | 15.8 
1 .650 827 53d 292 95.1 103.0 86.8 | 16.2 
2 626 820 521 299 95.3 104.4 74.3 | 30.1 
3 604 818 512 -306 95.4) 105.8 76.7 | 29.1 
| 585 811 A481 -330 94.3 105.0 75.6 | 29.4 
a) 576 812 476 396 92.7 101.5 75.7 | 25.8 
6 589 Sle 488 325 89.8 96.5 74.8 | 21.7 
7 613 822 496 326 86.8 91.6 74.2 | 17.4 
8 635 .838 .516 22 84.6 90.0 74.2 | 15.8 
9 653, 843 549 294 83.7 88.2 73.6 | 14.6 
10 .661 842 561 281 83.3 88.0 74.2 | 13.8 
11 663 856 013 283 82.7 87.6 73.8 | 13.8 
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. 
