356 MR. S. A. HILL OH THE WINDS OF NORTHERN INDIA, AND THEIR 
Table XI.—Observed Pressures used in constructing Table XIV. 
Station 
Elevation 
in feet. 
Pressure (corrected for temperature, &c.). 
January. 
May. 
July. 
October. 
Newara Eliya . 
6,240 
24-010 
23994 
23-984 
23-996 
Kandy . 
1,696 
28-226 
28-137 
28-165 
28-187 
Coimbatore .... 
1,348 
28-609 
28-451 
28-466 
28-523 
Dodabetta .... 
8,644 
22-045 
22-018 
21-946 
22-019 
Bangalore .... 
2,981 
27-013 
26-863 
26-857 
26-931 
Bell ary. 
1,455 
28-505 
28-285 
28-295 
28-400 
Belgaum. 
2,550 
27-437 
27-285 
27"255 
27-362 
Secunderabad . 
1,787 
28-192 
27-959 
27-914 
28-080 
Poona . 
1,849 
28-131 
27-939 
27-872 
28-046 
Chikalda. 
3,656 
26-433 
26-217 
26-109 
26-345 
Pacbmarbi .... 
3,528 
26-533 
26-319 
26-193 
26-461 
Raipur. 
960 
29-043 
28-679 
28-601 
28-897 
Indore. 
1,823 
28-168 
27-896 
27 791 
28-074 
Hazai’ibagb . 
2,007 
27-984 
26-683 
27-568 
27-869 
Sutna. 
1,040 
28-977 
28-593 
28-481 
28-823 
Nimach. 
1,639 
28-367 
28"054 
27-937 
28-258 
Mount Abu .... 
3,945 
26146 
25-961 
25-818 
26-092 
A] mere. 
1,611 
28-412 
28 - 075 
27-954 
28-294 
Quetta. 
5,501 
24-684 
24-546 
24-397 
24-688 
Pesbawar. 
1,110 
28-955 
28-547 
28-366 
28-783 
Leli. 
11,503 
19-646 
19-689 
19-604 
19-727 
Murree. 
6,344 
23-882 
23-789 
23701 
23-918 
Cbakrata .... 
7,052 
23-263 
23-196 
23-108 
23-302 
Ranikhet. 
6,069 
24-113 
24-013 
23-928 
24-L13 
Pitboragarh .... 
5,363 
24-758 
24-624 
24-534 
24-729 
Kathmandu .... 
4,388 
25-714 
■25-492 
25-383 
25-633 
Darjiling. 
7,421 
22-964 
22-915 
22-859 
23-018 
Shillong. 
4,794 
25-272 
25-118 
25-058 
25-255 
Sibsasrar. 
333 
29-739 
29-430 
29-281 
29'570 
Dacca. 
35 
30-015 
29-698 
29-571 
29-845 
Akyab. 
20 
30-005 
29-763 
29-666 
29-856 
Diamond Island 
41 
29-972 
29-772 
29-727 
29-845 
False Point .... 
21 
30-031 
29-684 
29-558 
29-848 
j Vizaganatam 
31 
30-005 
29-688 
29-596 
29-824 
Madras. 
22 
30-000 
29-733 
29-728 
29-850 
Bhuj. 
395 
29-639 
29-311 
29T62 
29-491 
Karachi. 
49 
30-016 
29-646 
29-490 
29-862 
Multan. 
420 
29-639 
29-189 
29-030 
29-444 
Delhi. 
718 
29-316 
28-904 
28-780 
29-143 
Lucknow . 
369 
29-674 
29-264 
29152 
29-498 
In the formula connecting barometric pressure with height above sea-level, the most 
important variable is the temperature of the air. The chief object of this paper being 
to find out the cause of the anomalous day winds, the temperature of the air, in the 
day time when these winds blow, is that which should be adopted in the reduction to 
a height of 10,000 feet, which is now attempted. For the several observing stations 
this is obtained with sufficient accuracy lay combining the maximum temperature with 
that of the usual hours of observation, 10 A.M. and 4 PAL, or where observations have 
not been made at these hours, as at the Ceylon stations, by applying to the daily 
