DIABLO DAM, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(452157) DIABLO DAM
From Year=1931 To Year=2006
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 11.41 26.49 1953 1.82 1942 4.65 10/1983 19 15 8 4 19.7 81.0 1935
February 8.18 21.30 1951 0.13 1993 6.15 10/1951 16 12 5 2 11.3 69.0 1937
March 6.87 16.58 2003 0.74 1992 3.32 06/1972 18 13 4 2 5.1 33.5 1955
April 4.61 14.05 1959 0.68 1951 3.95 06/1988 15 10 3 1 0.2 9.5 1945
May 2.86 7.96 1984 0.31 1958 2.06 13/1986 13 7 2 0 0.0 0.0 1931
June 2.26 6.70 1981 0.14 1938 2.80 02/1968 11 6 1 0 0.0 0.0 1931
July 1.50 6.76 1983 0.00 1960 2.45 12/1983 7 4 1 0 0.0 0.0 1931
August 1.57 5.26 2004 0.03 1986 2.21 25/2004 7 4 1 0 0.0 0.0 1931
September 3.43 10.75 1959 0.16 1990 2.78 30/2005 10 6 2 1 0.0 0.0 1931
October 8.03 23.96 2003 0.36 2002 7.23 17/2003 15 11 6 3 0.0 1.0 1939
November 12.15 38.46 1990 0.83 1936 7.32 10/1990 19 16 8 4 3.5 25.0 1946
December 12.45 25.83 1975 1.74 1985 5.48 03/1975 20 16 9 4 14.6 77.5 1951
Annual 75.32 115.34 1990 45.86 1952 7.32 19901110 170 121 50 21 54.4 191.0 1937
Winter 32.04 54.10 1976 14.64 1993 6.15 19510210 55 43 22 11 45.6 122.5 1937
Spring 14.34 25.80 1988 7.49 1992 3.95 19880406 45 31 9 3 5.3 33.5 1955
Summer 5.33 12.45 1983 1.06 2003 2.80 19680602 25 14 3 1 0.0 0.0 1931
Fall 23.61 55.26 1990 4.48 1936 7.32 19901110 45 34 16 7 3.6 25.0 1946
Table updated on Jul 28, 2006
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