Meteorological Observations. xlix 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General's Office, Calcutta, 
im the month of July 1866. 
Latitude 22° 33’ 1” North. Longitude 88° 20’ 34” East. 
Height of the Cistern of the Standard Barometer above the sea level, 18.11 feet. 
Daily Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
Cy 
ae Range of the Barometer = # | Range of the Tempera- 
~r - 5 7 : 
hes during the day. a = ture during the day. 
eer ! ES 
Date.| 5 5 Q al A 
2° | Max. | Min. | Diff’ | S2 | Max. | Min. | Diff. 
Ss > 3S = Sl 
| 
Inches. | Inches. | Inches. | Inches. fo) | 0 Co) oy) 
le 956021) 29.642") 29:50) (O:001 |) ized SLOP ie Grie aoeA 
2 097 .646 O37 .LO09 76.2 77.8 (3.27) 2.6 
3 569 613 517 .O96 79.1 85.6 74.4 | 11.2 
A 538 576 476 LOO) (Sig 85.4 | 78.0} 7.4) 
5 529 580 ASA, O96 81.3 86.6 77 A 9.2 
6 604 .665 564: LOL 81.6 87.6 78.4 9.2 
7 635 .698 O70 128 83.2 89.0 79.8 92 
8 572 634 482 152 85.1 93.0 80.0 | 13.0 
9 520 878 433 142 85.8 93.2 80.6 | 12.6 
10 AQ AT 436 lil 86.2 91.6 83.2 8.4) 
dig! 50d 598 AAT ele, 85.1 90.5 81.0 9.5 
12 50d .616 .506 110 84.5 90.0 81.0 9.0 
13 646 697 593 104 84.6 89.8 81.2 8.6 
14 .660 714 602 -112 | 85.0 90.4 | 80.2 | 10.2 - 
15 575 .6d1 489 162 83.4 86.0 81.2 4.8 
16 521 560 469 O91 84.2 86.7 82.0 |. -4.7 
17, 50d 597 522 O75 83.2 91.0 78.6 | 12.4 
-18 563 .600 516 084. 82.9 86.2 80.4 5.8 
19 580 631 509 122 83.3 88.6 79.0 9.6 
20. |. .604) — 654 AT 107 82.3 86.0 80.2 5.8 
21 615 | _.662 ASS Ween LOM aster 80.37 2922) |) 76 
22 587 634 a4 _.100 83.4 87.0 79.8 7.2 
23 | 614 664, 040 119 | 84.5 89.4: 80.0 9.4 
24 | .638 681 584, O97 | 84.6 las) I tees WN GO 
25 634 .670 573 O97 84..0 99.4 81.6 | 8.8 
26 O97 645 O17 128 82.2 85.0 81.2 3.8 | 
27 597 .639 39 .-L06 83.7 88.6 79.2 9.4 
28 611 .668 D9 113 83.2 87.5 80.4: ik 
29 631 691 560 151 84.3 99.2 79.8 | 10.4 
30 629 673 573 100 84.8 99.8 80.3 | 10.5 
31 631 .668 575 093 | 83.0 84.8) | |) S06) e 7-2 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 
Bae omoter Means are derived, from the hourly observations, made during - 
lay. 
