RICHMOND WSO AIRPORT, VIRGINIA

Period of Record General Climate Summary - Precipitation

From Year=1948 To Year=2012
Station:(447201) RICHMOND WSO AIRPORT
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 3.09 7.97 78 0.64 81 3.31 06/1962 10 6 2 1 4.2 26.2 66
February 2.91 5.97 79 0.48 78 2.64 24/1979 9 6 2 1 4.0 21.6 83
March 3.76 8.65 84 0.20 106 3.14 07/1992 11 7 3 1 2.0 20.1 60
April 3.02 8.32 108 0.64 63 3.35 20/2008 10 6 2 1 0.1 1.2 57
May 3.70 8.87 72 0.87 65 3.05 11/1981 11 7 3 1 0.0 0.0 49
June 3.70 9.93 104 0.38 80 3.91 18/1972 10 6 2 1 0.0 0.0 49
July 4.86 13.90 69 0.51 83 4.90 22/1969 11 7 3 1 0.0 0.0 49
August 4.85 14.10 55 0.81 65 8.79 12/1955 9 6 3 1 0.0 0.0 49
September 3.87 16.60 99 0.08 105 4.53 16/1999 8 5 2 1 0.0 0.0 49
October 3.34 9.39 71 0.01 100 4.76 20/1961 7 5 2 1 0.0 0.0 49
November 3.27 9.60 109 0.17 101 3.51 12/2009 8 5 2 1 0.3 7.3 53
December 3.28 8.16 109 0.40 80 2.62 11/2008 9 6 3 1 2.3 14.5 58
Annual 43.64 63.28 103 28.29 70 8.79 19550812 113 73 29 11 12.9 47.0 62
Winter 9.28 15.93 79 3.80 81 3.31 19620106 28 18 7 2 10.5 35.6 67
Spring 10.48 19.09 84 4.81 85 3.35 20080420 31 20 7 2 2.1 20.1 60
Summer 13.41 27.57 69 5.93 110 8.79 19550812 30 20 9 4 0.0 0.0 49
Fall 10.47 22.31 106 2.96 101 4.76 19611020 24 16 7 3 0.3 7.3 53
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