GRAYSON RESERVOIR, KENTUCKY

Period of Record General Climate Summary - Precipitation

From Year=1969 To Year=2012
Station:(153398) GRAYSON RESERVOIR
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 3.12 6.35 95 0.54 81 2.58 28/2009 12 7 2 1 4.1 28.0 78
February 2.79 7.57 89 0.58 77 2.25 06/2004 10 6 2 1 3.9 22.0 79
March 3.65 9.96 97 1.03 83 4.00 20/2002 12 8 2 1 1.7 16.0 93
April 3.88 11.11 111 0.81 101 2.80 22/1972 12 8 3 1 0.0 1.0 92
May 5.08 9.49 103 1.55 99 4.32 12/1986 13 9 3 1 0.0 0.0 70
June 4.30 7.81 103 0.56 88 3.24 05/1993 11 8 3 1 0.0 0.0 70
July 4.80 9.99 78 1.56 99 6.21 21/2010 11 8 3 1 0.0 0.0 69
August 3.92 8.05 82 1.06 110 3.60 25/1999 9 6 3 1 0.0 0.0 69
September 3.13 10.33 104 0.28 85 4.13 06/2011 8 5 2 1 0.0 0.0 69
October 2.89 7.55 106 0.24 110 2.72 02/1977 9 5 2 1 0.0 0.0 69
November 3.29 7.58 103 0.64 81 3.35 20/1988 10 7 2 1 0.3 3.0 71
December 3.67 9.85 78 1.23 71 3.42 09/1978 12 7 2 1 1.0 6.5 69
Annual 44.53 64.00 104 31.13 81 6.21 20100721 129 83 30 10 11.2 48.0 78
Winter 9.59 18.67 79 4.11 77 3.42 19781209 34 20 6 2 9.1 39.0 78
Spring 12.62 21.16 102 6.49 76 4.32 19860512 37 25 9 3 1.8 16.0 93
Summer 13.01 18.90 79 9.07 88 6.21 20100721 31 22 9 3 0.0 0.0 70
Fall 9.32 18.64 104 3.86 81 4.13 20110906 28 17 6 2 0.3 3.0 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