JOHN FLANNAGAN RESERVOI, VIRGINIA

Period of Record General Climate Summary - Precipitation

From Year=1969 To Year=2012
Station:(444410) JOHN FLANNAGAN RESERVOI
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 3.43 7.46 72 1.19 81 1.83 21/1972 13 8 2 1 5.0 27.0 78
February 3.26 6.64 94 1.20 77 3.67 17/2003 12 8 2 0 4.6 18.0 79
March 3.73 10.26 75 0.85 88 3.83 18/2002 12 8 2 1 1.6 8.0 75
April 3.81 8.07 77 1.11 76 3.09 05/1977 11 8 2 1 1.1 36.0 87
May 4.63 9.79 96 0.88 77 3.40 07/1971 13 9 3 1 0.0 0.0 70
June 4.47 13.40 95 1.14 86 9.09 20/1995 12 8 3 1 0.0 0.0 70
July 4.27 10.11 101 0.63 95 4.00 27/2001 12 8 3 1 0.0 0.0 70
August 3.97 8.56 77 1.37 110 2.33 20/2009 10 7 3 1 0.0 0.0 70
September 3.35 7.05 104 0.47 85 4.31 06/2011 9 6 2 1 0.0 0.0 70
October 3.02 6.52 89 0.32 100 2.63 03/1996 9 6 2 1 0.0 0.0 70
November 3.16 7.18 85 0.48 101 2.18 27/1973 10 7 2 1 0.5 7.0 77
December 3.10 6.73 78 0.85 89 2.46 03/1991 12 7 2 1 1.9 13.3 95
Annual 44.20 54.72 94 36.22 81 9.09 19950620 137 89 29 9 14.7 57.0 87
Winter 9.79 18.37 94 5.55 77 3.67 20030217 37 22 6 2 11.5 44.0 78
Spring 12.17 20.38 75 6.45 88 3.83 20020318 37 24 8 2 2.7 37.0 87
Summer 12.71 18.53 79 7.52 86 9.09 19950620 34 24 9 3 0.0 0.0 70
Fall 9.53 17.87 89 3.68 87 4.31 20110906 29 19 6 2 0.5 7.0 77
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