WILLIAMSPORT, MARYLAND

Period of Record General Climate Summary - Precipitation

From Year=1938 To Year=2012
Station:(189570) WILLIAMSPORT
Averages Daily Extremes
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.
>=
0.10 in.
>=
0.50 in.
>=
1.00 in.
Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd
# Days # Days # Days # Days in. in. -
January 2.47 4.64 53 0.29 55 1.85 04/1944 9 6 2 0 7.1 26.7 66
February 2.37 5.35 72 0.11 68 1.72 08/1965 9 5 2 0 7.0 35.7 61
March 3.36 6.03 105 0.22 106 2.61 29/2005 10 7 3 1 4.8 25.0 42
April 3.39 8.75 111 0.81 46 2.49 17/2011 11 7 2 1 0.1 4.0 59
May 3.88 8.56 60 0.92 64 3.21 26/1952 12 8 3 1 0.0 0.0 40
June 4.09 9.86 75 0.73 105 4.72 26/2006 11 7 3 1 0.0 0.0 41
July 3.27 8.57 70 0.03 68 4.16 10/1970 10 6 2 1 0.0 0.0 41
August 3.57 10.03 55 1.09 39 2.93 13/1955 10 7 3 1 0.0 0.0 40
September 3.22 9.12 75 0.03 105 3.87 01/1952 8 5 2 1 0.0 0.0 40
October 2.96 6.06 105 0.36 63 3.21 16/1954 9 5 2 1 0.1 2.0 40
November 2.92 6.31 72 0.64 46 2.50 07/1963 9 6 2 1 0.8 10.7 71
December 3.02 6.06 109 0.20 55 2.30 02/1974 9 6 2 1 4.9 23.8 109
Annual 38.52 53.66 111 29.01 110 4.72 20060626 118 73 26 9 24.9 74.1 61
Winter 7.85 11.63 49 3.37 69 2.30 19741202 27 16 6 1 19.1 71.6 61
Spring 10.64 20.16 111 4.78 106 3.21 19520526 34 22 7 2 4.9 25.0 42
Summer 10.93 21.00 70 3.51 66 4.72 20060626 31 19 7 3 0.0 0.0 41
Fall 9.10 16.42 111 5.10 53 3.87 19520901 27 16 6 2 0.9 10.7 71
Table updated on May 22,
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Seasons are climatological not calendar seasons
Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May
Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov.


Southeast Regional Climate Center, SERCC Webmaster