DIABLO DAM, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(452157) DIABLO DAM
From Year=1914 To Year=2012
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 11.47 26.49 1953 1.82 1942 4.65 10/1983 19 15 8 4 21.2 81.0 1935
February 8.09 21.30 1951 0.13 1993 6.15 10/1951 16 12 5 2 12.1 69.0 1937
March 7.12 16.58 2003 0.74 1992 3.59 12/2007 18 13 5 2 7.0 48.5 1917
April 4.59 14.05 1959 0.68 1951 3.95 06/1988 15 10 3 1 0.3 9.5 1945
May 2.84 7.96 1984 0.31 1958 2.06 13/1986 13 7 2 0 0.0 0.0 1918
June 2.26 6.70 1981 0.14 1938 2.80 02/1968 11 6 1 0 0.0 0.0 1915
July 1.41 6.76 1983 0.00 1922 2.45 12/1983 7 4 1 0 0.0 0.0 1917
August 1.46 5.26 2004 0.03 1986 2.21 25/2004 7 4 1 0 0.0 0.0 1915
September 3.45 10.75 1959 0.16 1990 2.78 30/2005 10 6 2 1 0.0 0.0 1917
October 8.05 23.96 2003 0.36 2002 7.23 17/2003 15 11 6 3 0.1 2.5 1919
November 11.88 38.46 1990 0.83 1936 7.32 10/1990 19 16 8 4 3.8 25.0 1946
December 12.46 29.73 1917 1.74 1985 5.48 03/1975 20 16 8 4 16.1 77.5 1951
Annual 75.07 115.34 1990 45.86 1952 7.32 19901110 170 120 49 21 60.5 191.0 1937
Winter 32.02 57.37 1918 14.64 1993 6.15 19510210 55 43 22 11 49.5 165.3 2008
Spring 14.55 25.80 1988 7.14 1924 3.95 19880406 46 31 9 3 7.3 45.5 1922
Summer 5.12 12.45 1983 1.06 2003 2.80 19680602 25 13 3 0 0.0 0.0 1917
Fall 23.38 55.26 1990 4.48 1936 7.32 19901110 45 33 16 7 3.8 25.0 1946
Table updated on Oct 31, 2012
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. 






Western Regional Climate Center, wrcc@dri.edu