ROANOKE WSO AIRPORT, VIRGINIA

Period of Record General Climate Summary - Precipitation

From Year=1948 To Year=2012
Station:(447285) ROANOKE 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 2.84 7.97 98 0.29 81 2.66 13/1968 10 6 2 1 6.0 41.2 66
February 2.99 8.00 98 0.56 68 2.44 11/1994 9 6 2 1 6.8 36.0 87
March 3.55 7.91 93 0.35 106 2.96 20/1998 11 7 2 1 3.3 30.3 60
April 3.27 11.35 87 0.48 76 5.01 26/1978 10 6 2 1 0.4 7.3 71
May 3.85 10.11 103 1.04 97 3.89 29/1976 12 7 3 1 0.0 0.0 49
June 3.61 10.32 95 0.62 86 4.08 26/2006 10 7 2 1 0.0 0.0 49
July 3.83 10.09 89 0.45 77 2.60 09/2010 12 7 3 1 0.0 0.0 49
August 3.85 9.54 84 0.74 95 3.83 27/2008 10 6 2 1 0.0 0.0 48
September 3.60 11.72 104 0.15 91 6.56 07/1987 9 6 2 1 0.0 0.0 48
October 3.18 9.89 90 0.02 100 4.95 15/1954 8 5 2 1 0.0 1.0 57
November 3.02 12.36 85 0.18 107 6.61 04/1985 9 5 2 1 1.2 13.8 68
December 3.00 8.22 109 0.18 65 3.40 03/1948 9 6 2 1 4.0 22.6 66
Annual 40.59 54.94 96 24.94 101 6.61 19851104 118 74 27 9 21.6 74.6 87
Winter 8.83 18.34 98 3.32 81 3.40 19481203 28 17 6 2 16.8 63.9 87
Spring 10.68 18.62 103 4.81 106 5.01 19780426 33 20 7 2 3.6 30.3 60
Summer 11.29 23.78 49 4.77 93 4.08 20060626 32 20 7 3 0.0 0.0 49
Fall 9.79 18.36 104 2.70 91 6.61 19851104 25 16 7 3 1.2 13.8 68
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