JOHN FLANNAGAN RESERVOI, VIRGINIA

Period of Record General Climate Summary - Temperature

From Year=1969 To Year=2012
Station:(444410) JOHN FLANNAGAN RESERVOI
Averages Daily Extremes
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean
Year Lowest
Mean
Year >=
90 F
<=
32 F
<=
32 F
<=
0 F
F F F F dd/yyyy
or
yyyymmdd
F dd/yyyy
or
yyyymmdd
F - F - # Days # Days # Days # Days
January 34.1 12.6 23.3 72 31/2002 -11 17/1977 28.0 76 19.1 77 0.0 13.0 29.3 6.0
February 46.7 19.9 32.7 79 27/1977 -7 07/2007 40.3 76 23.2 78 0.0 3.7 25.2 1.0
March 61.1 29.9 45.1 86 21/2012 0 05/1978 48.0 76 41.4 78 0.0 0.2 18.3 0.7
April 70.4 39.8 55.1 94 10/2001 20 07/2002 57.4 111 52.8 74 0.0 0.0 5.8 0.0
May 80.1 49.7 64.8 96 19/2001 31 07/1974 68.5 101 60.8 76 3.2 0.0 0.8 0.0
June 84.8 57.6 71.3 106 20/2001 41 02/2003 76.7 101 67.3 74 9.0 0.0 0.0 0.0
July 87.5 61.5 74.8 106 24/2001 49 02/2008 80.0 101 71.8 104 11.2 0.0 0.0 0.0
August 84.4 59.6 71.0 105 08/2001 47 31/1976 72.8 74 69.3 104 4.8 0.0 0.0 0.0
September 77.8 53.8 65.4 97 06/1975 38 26/2001 66.9 104 63.4 76 1.5 0.0 0.0 0.0
October 69.1 43.5 56.2 90 09/2007 24 11/2000 58.3 104 51.4 77 0.0 0.0 3.0 0.0
November 54.6 30.5 42.5 84 06/2003 11 30/1976 46.7 75 35.7 76 0.0 1.3 18.0 0.0
December 45.7 22.7 34.2 77 05/2001 0 22/1976 38.7 70 28.5 76 0.0 4.0 22.8 1.0
Annual 66.4 40.1 53.0 106 20010620 -11 19770117 ****** *** ***** *** 29.7 22.2 123.1 8.7
Winter 42.2 18.4 30.1 79 19770227 -11 19770117 26.2 78 25.8 77 0.0 20.7 77.3 8.0
Spring 70.5 39.8 55.0 96 20010519 0 19780305 -99.0 0 -99.0 0 3.2 0.2 24.8 0.7
Summer 85.6 59.6 72.4 106 20010620 41 20030602 72.5 76 70.0 104 25.0 0.0 0.0 0.0
Fall 67.2 42.6 54.7 97 19750906 11 19761130 -99.0 0 -99.0 0 1.5 1.3 21.0 0.0
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 staff