Meteorological Observations. I 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
im the month of August, 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. 
oo ey RH 
re 2 2 Range of the Barometer 3 2 Range of the Tempera- 
a= — p o A 
ies 2 ey during the day. ee ture during the day. 
aa As 
4 ao | = o 
2 Sreiic Max. Min. Diff. Sa Max. | Min. | Diff. 
= é 
Bos S 
Inches. | Inches. | Inches. | Inches, 0) ty) t) Oo 
1 |29.559 | 29.601 | 29.524 0.077 83.4 89.6 8C.0 9.6 
2 | Sunday. 
3 490 5A6 A384 nih? 81.5 84.7 | 78.4) 6.3 
4, A483 .o21 443 .078 81.8 83.8 80.0 3.8 
5 534 BTA 490 .084: 82.4 86.8 78.8 8.0 
6 548 .089 498 O91 82.7 85.4 79.8 5.6 
q 529 064 465 .099 84.3 90.2 80.0 | 10.2 
8 528 578 464, 114 85.4 90.8 | 82.2) 8.1 
9 | Sunday. 
10 A487 531 402 129 83.7 89 6 81.0 86 
11 A458 515 .388 127 82.7 86.5 | 80.2] 6.3 
12 A442 .490 992 .098 82.9 87.3 81.0 6.3 
13 482 553 436 + ily 83.1 87.8 80.0 7.8 
14 023 575 A59 116 84.0 89.6 80.0 96 
15 498 .990 ALT 133 84.9 90.6 80.8 9.8 
16 | Sunday. 
17 407 467 .800 117 81.4: 85.2 79.8 5A 
18 .000 591 A439 152 80.5 84.4: 78.2 6.2 
19 .093 64:7 .050 .097 82.1 87.4 79.6 7.8 
20 601 648 099 109 84.5 88.8 81.6 7.2 
21 064 .603 B01 102 84.1 86.8 81.9 4.9 
22 049 .596 AQL 105 81.5 85.8 78,2 7.6 
23 | Sunday. 
24 631 .699 .563 136 82.4: 82.8 79.7 9.1 
25 .665 713 .618 .095 80.7 86.2 75.4 | 10.8 
26 .678 -728 641 087 81.4 84.3 78.0 6.3 
217 704 746 .659 .087 81.4 86.8 78.8 8.0 
28 678 fase) 098 137 83.2 88.6 78.6 | 10.0 
29 649 707 587 -120 83.2 87.8 80.8 7.0 
30 | Sunday. 
31 634 | .687 577 110 §2.8 87.0 81.3 5.7 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 
Thermometer Meaus are derived from the hourly Observations made during 
the day. 
