Meteorological Observations. XCVIi 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
in the month of July, 1863. 
Latitude 22° 33’ 1” North. Longitude 88° 20’ 34” Rast. 
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. 
Oo 3 : ou 
bow Range of the Barometer a 3 Range of the Tempera- 
io 5 3 during the day. Rei ture during the day. 
© le = 4 
Date. | ™© Ea a 5 l 
634 | Max. | Min. | Dif. | 2&8 | Max. | Min, | Dif. 
a a 
Inches. |! Inches. | Inches. | Inches. 0 0 0 0 
1 29.472 | 29.533 | 29.399 0.134 82.8 87.0 80.0 | 7.0 
2 AB ATS 364 LIL 83.9 88.7 80.0 | 8.7 
3 410 456 343 113 85.0 91.3 80.4 ! 10.9 
4 462 004 407 127 82.1 84.1 80.0 | 4.1 
5 | Sunday. 
6 519 567 AT2 095 83.3 86.9 81.4] 5.5 
7 565 643 O11 132 83.2 88.6 80.2 | 8.4 
8 612 .670 509 eT a S220) Si) |) SLB) || Dar 
9 .622 679 574 105 83.5 88:8 19:9) | 89 
10 645 .688 .600 .088 83.8 88.4 80.0 | 8.4 
VW .620 665 .048 117 83.9 89.8 80.4 | 9.4: 
12 | Sunday. 
13 580 627 515 112) 85.1 SO ty Sli) Seo 
14 574: 615 .o13 102 84.4 89.5 80.4 | 9.1 
15 530 592 ATA: | 118 82.9 89.3 81.0 | 8.3 
16 A495 543 443 .100 82.7 87.1 80.4 | 6.7 
17 AGL 502 402 100 82.6 85.7 79.9 | 5.8 
18 .396 464: 312 152 82.7 88.9 80.2 | 8.3 
19 | Sunday. 
20 528 589 ABA 105 83.3 87.5 79.2 | 83 
21 575 622 528 O94 83.3 87.6 80.2 | 7.4 
22 594. 641 043 .098 84.2 89.7 80.8 | 8.9 - 
23 .569 617 496 121) 83.5 89.7 81.0 | 8.7 
24 529 585 AGL 124 84.7 89.9 80.9 | 9.0 
25 501 .000 410 140 85.9 92.4 81.6 | 10.8 
26 | Sunday. 
27 5A O15 368 147 82.2 87.2 79.0 | 8.2 
98 463 512 ALS .097 83.5 88.7 80.6 | 8.1 
29 ATS 013 24) 089) 81.7 85.5 79.0 | 6.5 
30 .436 488 371 cll zl 82.7 86.8 78.8 | 8.0 
3l .505 564 456 L108 83.5 87.6 80.3 | 7.3 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther- 
mometer Means are derived from the hourly Observations made during the day. 
