Meteorological Observations. li 
Abstract of the Results of the Hourly Meteorological Observatious 
taken at the Surveyor General’s Office, Calcutta, 
tn the month of July 1871. 
Latitude 22° 33’ 1” North. Longitude 88° 20’ 34” East. 
Height of the Cistern of the Standard Barometer above the sea level, 1@11 feet. 
Daily Means, &c. of the Observations and of the IT ygrometrical elements 
dependent thereon. 
i 
& 8 Range of the Barometer a # |Range of the Tempera- 
TES during the day. # % ture during the day. 
3 oe Ee 
Date. jaa) roa) Q | a a 
go) Max. | Min. | Diff. = | Max. | Min. | Diff. 
t44 Se 
oy | | = 
Inches. | Inches. | Inches. | Inches. fo) fa) ° ° 
1 | 29.608 | 29.666 | 29.528} 0.138) 803 | 87.5 |-76.4| 11.1 
2 555 594 500 094, TOsk 80.5 75.6 5.0 
3 561 .633 522 | Pal Ut 82.4 88.0 79.0 9.0 
4 637 .683 596 O87 82.9 87.4 79.4 8.0 
5 GO2 .666 537 129 83.7 88.5 80.2 8.3 
6 576 .616 dll 105 84.4 89.8 80.5 9.3 
7 543 594 470 124 85.1 90.0 81.5 8.5 
8 519 563 .462 01 83.8 90.2 81.2 9.0 
9 528 588 -480 .108 83.1 85.7 81.0 4.7 
10 539 581 488 093 83.2 86.7 80.7 6.0 
ll 522 579 465 114) 83.3 89.0 79.4 9.6 
12 592 .660 552 108 81.9 86.5 78.0 8.5 
13 674 724 624 100 80.0 81.8 77.6 4.2 
14 -657 721 563 .158 83.5 88.4 80.5 7.9 
15 mon || Ball) aoe) S140 h Sak O° R7.8 oP Slade 68 
16 542 596 485 mae | 83.3 86.0 81.0 5.0 
17 513 555 .450 105 82.6 86.4 78.5 7.9 
18 495 537 435 102 83.9 89.9 80.5 9.4 
19 482 520 423 097 83.2 89.0 80.2 8.8 
20 512 564 463 101 82.4 86.5 80.0 6.5 
21 550 598 506 .092 80.9 84.2 78.0 6.2 
22 .600 .639 561 078 79.9 81.5 78.2 3.3 
23 600 637 553 084 81.6 84.6 | 79.0 5.6 
24 541 .607 AGL 143 82.9 86.8 80.5 6.3 
25 494, 540 421 AI9 | 79:6 | 83.9 | 77.2) -67 
26 510 583 462 121 | 82.9 89.0 78.0 | 11.0 
27 576 .618 537 O81 82.5 | 87.6 78.8 | 8.8 
28 068 611 500 Siig! 84.0 {| 89.0 49.55) “DS 
29 482 561 .390 Nl 84.8 | 90.6 81.1) 9.4 
30 A416 49 4 .B99 135 82.4 86.0 | 80.0 6.0 
31 525 .613 A57 156 80.9 82.3 79.4 3.4 
| / 
‘The Mean Hei ght of the Barometer, : as likewise the Dry and Wet Bulb 
Thermometer Means are derived, from the hourly observatious, made at the 
several hours during the day. 
