ICE HARBOR DAM, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(453883) ICE HARBOR DAM
From Year=1957 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 1.26 3.15 1970 0.15 1963 0.77 26/1975 12 5 0 0 2.5 24.0 1969
February 0.92 2.04 2000 0.01 2005 0.65 13/1970 9 3 0 0 0.9 7.0 1990
March 0.98 2.54 1989 0.04 1965 1.01 12/1986 9 3 0 0 0.1 2.0 1960
April 0.80 2.22 1978 0.02 1973 0.90 06/1969 8 3 0 0 0.0 0.0 1957
May 0.95 2.93 1991 0.05 1964 1.39 20/2006 8 3 0 0 0.0 0.0 1957
June 0.79 2.64 2012 0.00 1986 2.50 06/1957 6 2 0 0 0.0 0.0 1957
July 0.24 1.40 1992 0.00 1958 0.92 23/1992 3 1 0 0 0.0 0.0 1957
August 0.41 2.59 1978 0.00 1966 1.36 17/1993 3 1 0 0 0.0 0.0 1957
September 0.45 1.96 1959 0.00 1990 0.72 02/1971 4 2 0 0 0.0 0.0 1957
October 0.82 2.28 1982 0.00 1987 1.36 29/1982 7 2 0 0 0.0 0.0 1957
November 1.33 3.70 1973 0.20 1976 1.56 19/1996 11 4 0 0 0.2 3.0 1961
December 1.42 4.18 1964 0.22 2011 1.04 29/2010 12 5 0 0 1.6 15.7 1964
Annual 10.37 17.26 1996 4.62 1967 2.50 19570606 92 34 3 0 5.3 26.0 1996
Winter 3.60 6.25 2003 0.97 1977 1.04 20101229 33 13 1 0 5.0 30.0 1969
Spring 2.73 4.67 1991 0.19 1964 1.39 20060520 25 9 1 0 0.1 2.0 1960
Summer 1.44 4.12 1978 0.03 2003 2.50 19570606 12 4 0 0 0.0 0.0 1957
Fall 2.60 5.36 1973 0.38 1976 1.56 19961119 22 8 1 0 0.2 3.0 1961
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