ICE HARBOR DAM, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(453883) ICE HARBOR DAM
From Year=1957 To Year=2012
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean
Year Lowest
Mean
Year >=
90 F
<=
32 F
<=
32 F
<=
0 F
F F F F dd/yyyy
or
yyyymmdd
F dd/yyyy
or
yyyymmdd
F - F - # Days # Days # Days # Days
January 41.2 27.4 34.3 67 10/1990 -14 31/1996 43.4 1967 18.6 1979 0.0 5.9 20.9 0.5
February 48.4 30.2 39.3 74 25/1986 -14 02/1996 46.0 1958 27.0 1989 0.0 1.3 16.6 0.2
March 57.5 34.8 46.2 81 26/1960 10 01/1993 50.5 2003 42.5 2009 0.0 0.1 10.1 0.0
April 65.1 40.5 52.8 94 25/1977 22 24/1986 57.2 1987 48.0 1975 0.1 0.0 2.3 0.0
May 73.3 47.5 60.4 100 27/1958 29 08/2002 67.3 1958 56.4 1977 1.3 0.0 0.0 0.0
June 81.0 54.2 67.6 110 18/1961 38 30/1963 74.7 1961 63.4 1980 5.3 0.0 0.0 0.0
July 89.2 59.9 74.6 112 19/1960 45 02/1962 81.4 1960 68.7 1993 15.6 0.0 0.0 0.0
August 88.4 59.2 73.8 118 05/1961 38 31/1964 79.9 1958 69.8 1995 14.1 0.0 0.0 0.0
September 79.8 50.8 65.3 100 01/1967 27 29/1985 72.2 1967 60.0 1985 3.4 0.0 0.2 0.0
October 66.3 41.3 53.8 89 04/1958 17 31/2006 58.7 1988 50.5 2009 0.0 0.0 3.6 0.0
November 51.3 34.4 42.9 78 13/1999 -2 24/2010 47.6 1998 35.2 1978 0.0 0.5 11.6 0.0
December 41.7 28.5 35.1 67 22/1972 -14 31/1968 41.6 1957 22.5 1985 0.0 5.0 20.2 0.7
Annual 65.3 42.4 53.8 118 19610805 -14 19681231 56.6 1967 51.7 1978 39.8 12.9 85.5 1.4
Winter 43.8 28.7 36.2 74 19860225 -14 19681231 42.9 1967 29.0 1979 0.0 12.2 57.7 1.4
Spring 65.3 40.9 53.1 100 19580527 10 19930301 56.4 1987 50.1 1975 1.4 0.1 12.5 0.0
Summer 86.2 57.7 72.0 118 19610805 38 19630630 77.8 1961 68.7 1976 35.0 0.0 0.0 0.0
Fall 65.8 42.1 54.0 100 19670901 -2 20101124 58.2 1963 50.0 1961 3.4 0.5 15.3 0.0
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