BOUNDARY DAM, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(450844) BOUNDARY DAM
From Year=1965 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 31.8 18.2 25.0 48 29/1981 -20 01/1979 32.0 2006 10.8 1979 0.0 13.7 30.5 3.0
February 38.2 20.8 29.4 57 26/1986 -11 03/1985 35.7 1991 21.0 1989 0.0 3.9 27.2 1.5
March 47.4 26.1 36.8 73 31/2004 -2 04/1976 43.6 1992 31.3 1976 0.0 0.4 27.4 0.1
April 57.6 32.3 44.9 90 25/1977 14 24/2002 49.5 1987 37.8 2008 0.0 0.0 15.8 0.0
May 65.5 39.9 52.7 96 31/1986 22 09/2002 59.4 1993 47.2 1984 0.4 0.0 2.7 0.0
June 71.3 46.8 59.1 99 24/1992 30 11/2008 66.9 1992 53.8 1976 1.0 0.0 0.1 0.0
July 81.3 50.5 65.9 104 24/1994 34 11/2008 72.0 1998 60.0 1983 7.4 0.0 0.0 0.0
August 82.8 48.7 65.7 102 01/2003 32 29/1984 70.3 1967 61.2 1980 8.1 0.0 0.0 0.0
September 72.3 41.6 56.9 98 03/1988 22 28/1984 63.8 1967 51.3 1984 0.9 0.0 2.1 0.0
October 55.8 33.8 44.8 80 08/1980 9 31/1984 48.9 1988 40.5 2008 0.0 0.0 12.8 0.0
November 40.3 27.3 33.8 61 04/1975 -19 29/1985 39.0 1987 21.9 1985 0.0 3.2 22.8 0.3
December 31.9 19.6 25.8 53 12/1968 -28 30/1968 32.3 1966 16.1 1983 0.0 14.0 29.8 1.6
Annual 56.4 33.8 45.1 104 19940724 -28 19681230 48.1 1998 41.7 2008 17.8 35.2 171.1 6.5
Winter 34.0 19.5 26.7 57 19860226 -28 19681230 31.9 1992 18.5 1979 0.0 31.6 87.5 6.1
Spring 56.9 32.7 44.8 96 19860531 -2 19760304 49.5 1992 40.5 2008 0.5 0.4 45.9 0.1
Summer 78.5 48.7 63.6 104 19940724 30 20080611 67.2 2003 59.4 1976 16.5 0.0 0.1 0.0
Fall 56.1 34.2 45.2 98 19880903 -19 19851129 48.8 1998 38.3 1985 0.9 3.2 37.7 0.3
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