ICE HARBOR DAM, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(453883) ICE HARBOR DAM
From Year=1957 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 1.26 3.15 1970 0.15 1963 0.77 26/1975 12 5 0 0 2.7 24.0 1969
February 0.94 2.04 2000 0.01 2005 0.65 13/1970 9 3 0 0 1.0 7.0 1990
March 0.97 2.54 1989 0.04 1965 1.01 12/1986 9 4 0 0 0.1 2.0 1960
April 0.78 2.22 1978 0.02 1973 0.90 06/1969 8 3 0 0 0.0 0.0 1957
May 0.93 2.93 1991 0.05 1964 1.07 31/2000 7 3 0 0 0.0 0.0 1957
June 0.73 2.59 1957 0.00 1986 2.50 06/1957 6 2 0 0 0.0 0.0 1957
July 0.23 1.40 1992 0.00 1958 0.92 23/1992 2 1 0 0 0.0 0.0 1957
August 0.44 2.59 1978 0.00 1966 1.36 17/1993 4 1 0 0 0.0 0.0 1957
September 0.44 1.96 1959 0.00 1990 0.72 02/1971 4 2 0 0 0.0 0.0 1957
October 0.81 2.28 1982 0.00 1987 1.36 29/1982 6 2 0 0 0.0 0.0 1957
November 1.39 3.70 1973 0.20 1976 1.56 19/1996 11 5 0 0 0.2 3.0 1961
December 1.44 4.18 1964 0.24 1965 0.96 14/2003 12 5 0 0 1.8 15.7 1964
Annual 10.36 17.26 1996 4.62 1967 2.50 19570606 91 35 3 0 5.8 26.0 1996
Winter 3.64 6.25 2003 0.97 1977 0.96 20031214 33 13 1 0 5.5 30.0 1969
Spring 2.68 4.67 1991 0.19 1964 1.07 20000531 24 9 1 0 0.1 2.0 1960
Summer 1.39 4.12 1978 0.03 2003 2.50 19570606 12 4 1 0 0.0 0.0 1957
Fall 2.65 5.36 1973 0.38 1976 1.56 19961119 22 8 1 0 0.2 3.0 1961
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