TEMPERATURE.
The mean temperature of 6I stations for March, I89 o, was 33ยฐ'4, which is 5ยฐ'5 below that of the corresponding month of 1889 , and 2ยฐ'5 below the normal.
The mean of the daily maximum and minimum temperatures 41ยฐ'7 and 24ยฐ'6 give an average daily range of 17ยฐ'x, and a monthly mean of 33ยฐ'I.
Highest monthly means, 38ยฐ'8 at Philadelphia. Lowest monthly means, ~6a'3 at Eagles Mere. Higl~est temperatures recorded during the month, 760 on the 12th, at Coatesville, Lancaster, Centre Valley, A~nville and Pottstown. Lowest, minus I6 ยฐ, at Blue Knob'.and Columbus, on the 7th. Greatest local monthly range, 23ยฐ'5 at Charlesville. Least local monthly range, I Iยฐ'9 at Rimersburg and Eagles Mere. Greatest daily range, 59 ยฐ at Charlesville on the I2th. ' Least daily range, x ยฐ at Petersburg on the 13th.
The warmest day~ of the mo~th was on the i2th. On this day 23 stations recorded a temperature of over 7 oยฐ.
The coldest day was on the 7th, when 29 stations recorded a temperature below zero.
BAROMETER.
The mean pressure for the month was 3o'o7, which is about "o 5 above the normal.
The highest observed was 3o'67 at Johnstown on the 9th, and the lowest 29"i7, at Greenville, on the 28th.
PRECIPITATION.
The average rainfall [including melted snow] was 5'I 5 inches which is an excess of two inches.