246 
On the Climate of the Nor th-PFes tern Mountains. [Aug. 
East-north-east, on the 2d, 18th, 19tli, and 24th, 
Ditto, on the 12th and 26th, 
Ditto, on the 16th and 17 th, 
North-west, on the 3d and 5th, 
East, on the 23d, 
South-south-west, on the 25th, 
North-east, on the 27th, 
light 
little 
gentle 
little 
ditto 
light 
gentle 
4 days 
2 ditto 
2 ditto 
2 ditto 
1 ditto 
1 ditto 
1 ditto 
A general statement of the Weather for March, 1829. 
Clear, IS days 
Fair, but cloudy and partially cloudy, 4 ditto 
Rainy, stormy, snow and hail, 9 ditto 
Thunder, 4 ditto 
Clear, on the 3d, 4th, 5th, 8th, 9th, 10th, 11th, 13th, 14th, 15th, 16th, 17th, 
18th, 19th, 20th, 26th, 27th, and 28th. 
Fair, but cloudy and partially cloudy, on the 7tli, 12th, 21st, and 25th. 
Rainy, stormy, snow and hail, on the 1st, 2d, 6th, 22d, 23d, 24th, 29th, 30th, 
and 31st. 
Thunder, on the 22d, 23d, 25th, and 3 1st. 
Height of the Barometer. 
Mean maximum for the month, 
Mean minimum. 
Mean of the daily means, 
Greatest altitude, on the 1 3th, at 10 A. M. 
Least ditto, on the 2d, at 3 p. m. 
Inches. Th- 
22,927 58,1 
22,857 51,2 
22,892 54,6 
23,046 62,7 
22,722 44,0 
Temperature of the air. 
Mean maximum, 56,7 
Mean minimum, 42,9 
Mean of the daily means, 49,8 
Greatest, on the 21st, at 1 p.m. 65,1 
Least, on the 3rd, at sunrise, 30,8 
Mean, 47,9 
Temperature of the house. 
50,6 
46,0 
48,3 
Mean maximum, 
Mean minimum, 
Mean of the daily means, 
'Greatest, on the 17tli and 20th : 
on the former day, at 1, 3, and 
4, 45 p. M. and the latter day at 
4, 45 P. M. 
Least, on the 3d at sunrise, and8A.M,35, 3 
Mean, 46, 
56,7 
Hygrometrical stale of the Air. 
Leslie’s Hygrometer, greatest altitude, on the 17th, at noon, 96 
Ditto ditto, least ditto, on the 4th, at sunrise and 10 p. m., 3 
Rater’s ditto, greatest ditto, on the 2nd at sunset, 706 
Ditto ditto, least ditto, on the 17th at 3 p. m., 108 
Statement of the Winds , shewing their direction and force during March , 1829. 
East-north-east, on the 1st, 3rd, 4th, 7th, lltli, 15th, 16th, 
17th, 22d, 23rd, 25th, 28th, and 30th, gentle 13 days 
Ditto, on the, 5th, 13th, 24th, and 31st, little 4 ditto 
Ditto, on the 9th and 14th, moderate 2 ditto 
South-west, on the 2nd, little 1 day 
West, on the 6th and 21st, ditto 2 days 
Ditto, on the 8th, 18th, 19th, 20th, 26th, 27th, and 29th, gentle 7 ditto 
Ditto, on the 12th, moderate 1 day 
. Noi th-east, on the 10th, gentle 1 ditto 
P. G. 
Remar Ics by the Editor . — Our correspondent has doubtless observed the discrepancy 
etween Rater s and. Leslie’s Hygrometers. It is evident that both cannot be right, 
<a , J t is nearly certain that neither are. The error in the graduation of Leslie has 
already been pointed out in our number for January, p. 24." As to Rater’s, it is, we 
*• 6 t0 objections made against every hygrometer formed of an organic suh- 
,rre £ ular ‘ty of scale, and eventually impaired action. The moist bulb thermo- 
eter is every way preferable to either of them. 
