Meteorological Observations. 
Ixxv 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor Generals Cffice, Calcutta, 
an the mouth of October 1866. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
) 
dependent thereon. 
‘Os Range of the Barometer =. | Range of the Tempera- 
#2 Dee for each hour during ms ture for each hour 
Mee the month. = during the month. 
a) ae i ; bs 
Hour.) = aa as 
sc | Max. | Min.-| Dif. | $2 | Max. | Min. | Diff. 
is 3 i | 
aS x 
| 
Taches. | Inches. | Inches. | Inches. 0) ° Oo Oo 
Mia- 
night., 29.842 | 29.953 | 29.560 | 0.393 79.8 84.4 Pesce || Be 
1 834 .949 O34 15 79.5 84.2 74.6 9.6 
2 826 VAG 522 ADA: 19.2 83.8 | 74.0 9.8 
3 -819 -939 421 408 78.9 84.0 73.0 | 11.0 
4 -817 -936 14, 422 WSL 83.8 Peat Ip 5 Ta 
5 -830 954 523 AZL 18.5 83.6 72.4) 112 
6 -846 9270 539 ABT 18.3 $3.0 eon lala 
vi 861 -987 502 AQS FO 83.8 72.6 | i12 
8 881 | 30.001 | -395 A403 $0.9 86.8 (youll G80) 
2 891 O04 627 -o17 82.4 87.8 74.6 | 13.2 
10 893 -C04. 645 396 84.0 90.4 76.0 | 14.4 
al .880 | 29.998 -645 800 89.1 SON oom lion, 
4 
i { 
Noon. 856 968 631 od 85.6 Ue a Ged PEC: 
1 825 937 621 316 86.3 91.4 76.8 | 14.6 
9 800) 821 666 315 $6.8 | 92.2. | 75.8 | 16.4 
3 .785 911 577 | B34 86.4 91.2 | 74.8) 16.4 
A 87 904 -577 27 $4.7 90.4; 74.9 | 15.5 
i) SH 913 543 | .340 84.2 90.4 7o.1 | 15.3 
6 .804 Ee of 1 302 82.5 88.0 Za... | 12-9 
7 821 935 566 .369 81.7 86.6 76.8 | 9.8 
8 842 AS O90 395 81.1 86.0 76.2 9.3 
9 -896 954: 897 oT 82.6 85.3 75.4 G8) 
10 -862 961 -588 373 80.2 85.2 | 75.0 | 10.2 
ll io ose | 576 |, a82 | 798 | -85.0 | 74.7) 08 
| 
\ 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 
Thermometer Means are derived from the observations made at the several 
hours during the month. 
