Meteorological Observations. Ixxxix 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of June, 1863. 
Latitude 22° 33’ 1” North. Longitude 88° 20’ 34” East. 
Feet. 
Height of the Cistern of the Standard Barometer above the Sea-level, 18.11. 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
So 12) 22 
eos Range of the Barometer = 2 Range of the Tempera- 
= 5 & during the day. a: ture during the day. 
ag As 
of sce Be mer 
£ Sa Sl Max. Min. Diff. es Max. | Min. | Diff. 
a = = 
Inches. | Inches. | Inches. | Inches. 0) co) | © 0 
1 | 29.506 | 29.561 | 29.446 0115 89.8 97.4 82.8 | 14.6 
2 41 601 A459 142 89.8 98.6 80.8 | 17.8 
3 004 O61 428 133 88.1 96.9 78.8 | 18.1 
4, 470 523 398 125 89,5 96.7 84.4 | 12.3 
5 501 £087 AD5BL .086 90.2 97.2 85.6 | 11.6 
6 .590 688 -| .518 170 90.3 97.8 77.0 | 20.8 
i Sunday. 
8 649 695 .583 112 84.6 89.6 79.6 | 10.0 
9 659 738 .602 136 83.0 86.8 78.0 8.8 
10 .629 105 559 146 85.5 90.9 81.4 9.5 
11 565 .606 499 107 82.2 91.4, 77.8 | 13.6 
12 538 594. ATA 120 80.9 84.9 77.8 7.1 
13 049 596 004; .092 81.8 86.4 79.8 6.6 
14 | Sunday. 
15 567 .627 .525 102 82.6 87.2 79.8 7A 
16 .619 .665 500 lls 82.5 86.2 80.4: 5.8 
17 597 .656 027 129 84.2 90.4: 80.0 | 10.4 
18 508 593 435 118 83.3 88.6 80.2 8.4 
19 420 A87 347 140 83.5 89.4 80.5 8.9 
20 326 .406 .268 138 82.4 85.8 80.2 5,6 
21 =| Sunday. 
22 482 598 446 112 81.7 85.4 78.8 6.6 
23 .536 079 A82 .097 82.0 85.0 79.4 5.6 
24 491 502 A417 135 80.1 83.2 78.0 5.2 
25 306 450 .268 182 83 4 88.8 79.4 9.4: 
26 264 315 199 116 82.4 86.7 79.0 Fe 
27 289 410 2189 221 81.6 86.0 78.4 7.6 
28 | Sunday. 
29 026 578 482 096 84.7 88.8 80.6 8.2 
30 512 509 440 119 85.1 93.0 78.6 | 14.4 
The Mean height of the Barometer, as likewise the Dry and Wet Bulb 
Thermometer Means are derived from the hourly Observations made during 
the day. 
