Meteorological Observations. xli 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of June, 1865. 
Latitude 22° 3371” North. Longitude 88° 20’ 34” East. 
Height of the Cistern of the Standard Barometer above the Sea-level, 18 ft. 11 in, 
Daily Means, &c, of the Observations and of the Hygrometrical elements 
dependent thereon. 










O35 =r : 
2c Range of the Barometer a S  |Range of the Tempera- 
"Sp 3 a during the day. > & ture during the day, 
oe a 
Deve. | HAS +e as 
222 | Max. | Min. | vie. | 32 | Max. | Min. | Din. 
a A 
Inches. | Inches. | Inches. | Inches. 0 Cy o ° 
1 29.526 | 29.582 | 29.491 0.091 83.9 90.8 80.2 | 10.6 
2 085 633 -539 094 84.2 89.0 80.4 | 8.6 
3 634 692 574 118 87.0 91.4 82.8 | 86 
4 | Sunday. 
5 646 701 71 130 88.3 93.6 83.4 | 10.2 
6 -663 722 593 129 | 88.4 94.4 83.2 | 112 
7 +670 740 .589 151} 88.3 94.6 83.8 | 10.8 
8 617 .688 539 | 149 88.6 94.4 84.2 | 10.2 
9 517 .569 433 136 88.4 | 93.0 850 | 8.0 
10 AQL 567 449 118 87.5 91.8 84.0 | 7.8 
11 572 .628 511 sual 84.7 87.8 82.8 | 5.0 
12 581 632 510 122 | 86.4 95.4 80.0 | 15.4 
13 523 572 447 | 125] 848 92.3 80.5 | 11.8 
14 478 524 .418 106 86.5 92.4 80.8 | 11.6 
15 484 526 446 .080 83.9 86.7 82.0 | 4.7 
16 495 41 439 102 82.5 87.1 79.6 | 7.5 
17 456 488 AlL 077 81.5 83.2 80.4 | 2.8 
18 451 533 405 128 79.7 81.0 78.6 | 2.4 
19 561 642 495 147 82.0 86.7 ee) |, NOE 
20 ° 643 .700 597 .103 85.8 91.2 81.4] 9.8 
21 .636 674 580 | 094 87.4 93.2 83.1 | 10.1 
22 615 662 567 095 88.2 93.8 84.0 | 9.8 
23 573 Aa 502 117 89.0 95.0 84.2 | 10.8 
24 543 .607 A491 116 88.3 96.0 81.0 | 15.0 
25 538 .600 AZ1 129 89.0 96.0 85.4 | 10.6 
26 .567 605 .510 .095 87.8 94.2 84.2 | 10.0 
27 552 613 468 145 88.9 95.4 84.3 | 11.1 
28 -590 551 408 143 86.2 89,0 83.4 5.6 
29 433 492 370 122 85.2 90.8 82.2 | 8.6 
30 417 507 B52 +155 84.2 88.8 82,0 | 6.8 





The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther 
mometer Meaus are derived from the hourly Observations made during the day. 
