Meteorological Observations. lix 
Abstract of the Results of the lourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutla, 
tu the mouth of August 1871, 
Latitude 22° 33’ L” North. Longitude 88° 20’ 84” 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. 
_-J | / a 
| py 3 _ | Range of the Barometer | EE Runge of the Tempera- 
| as during the day. | fe ra ture during the day. 
cD BS ; ee 
Date. | eo | | ie F | =—— — i 2 
| Seo | Mex. { Min. | Dif. | FA | Max. | Min. | Diff 
i | gael | 
i Tuches. | Inches. | Inches. | Inches. | 0 a. 64) a 
| 
1 , 29.624 | 29.672 | 29.681; 0.088) 7839 | 798 | 775! 28 
2 | 612, 692) 6H; .102| 80.9 84.3 | 758, 5.6 
3 614) 667 | 649 118] 82.9 | 889 | 793] 98 
4 564) 603 | 484) 119 | 844 | 885 | 805 | 8.0 
5 535; 580,480 | .100| 849 | 882 | 82.7| 58 
6 624) 664) 457; .107/ 847 89.2 | 82.0 | 7.2 
7 452 628 |  .870 168 | 838 | 88.7 | 806; 8.1 
8 407 456 369 | .097 | 82.1 | BAO | 805!] 68 
9 Add 500 .396 104} 826 | 88.0 | 805/76 
10 465 598 | = 401 107 | 83.8 | 896 | 805! 9.1 
11 482 624 | .436 088 | 83.4 913 | 80.6 | 10.8 
12 AGA 508 392 116 | 83.2 | 87.0 | 81.0) 6.0 
13 493 | 686 | 413 o973)\; “988: |) (862 | 80.7% ABS 
14 560 604 | .506 O98 83.8 88.2 | 810, 72 
15 666 | .601| 618 O83 82.4 | 865 | 79.8) 6.7 
16 .558 624 | 614 110 | 80.0 81.3 |-78.7 | 26 
17 617 .690 670.| *02@e) 22.1 | .860 °| 98.31. ey 
18 .663 721 {| 601 120) “84.1 | :882 || 99.90.) 88 
19 647 .689 593 096; 83.6 | 86.0 | 810) 50 
20 .652 .692 | .613 079 | 83.5 86.5 *| 81.5 | 6.0 
21 654 697 586 111 | 81.6 | 87.0 | 78.0! 9.0 
22 G41 703 | 680 123 | 814 | 86.0 | 78.7 | 7.3 
23 637 .688 | 592 096 | 81.8 86.8 73:6 |) 28.3 
24 672 716 .620 096 | 83.4 | 87.4 80.0 7.4 
25 .709 760 | 653 107} 84.0 | 886 | 79.5} 9.1 
26 21 774 | 661 113 83:9 ‘| 88.0 81.2 6.8 
97 .700 TAT .630 al? S29 | 187.0 «| 79.6 75 
28 .693 734 |. .638 O96 | 82.5 87.2 | 79.8 | 7.4 
29 717 .763 661 102 | 83.6 88.5 | 79.6 8.9 
30 767 831 706 | 125 84.9 91.0 | 80.0 11.0 
31 .800 | .859 743 | 216 | 83:6 | 89.0 | 80.8 8.2 
The Mean Height of the Ba rometer, as likewise the Dry and Wet Bulb 
Thermometer Means are derived, from the hourly observations, made at the 
several hours during the day. 
