MUD MOUNTAIN DAM, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(455704) MUD MOUNTAIN DAM
From Year=1939 To Year=2006
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 43.5 31.0 37.2 74 28/1940 -2 14/1950 44.8 1981 23.1 1950 0.0 2.4 17.1 0.1
February 46.5 32.3 39.4 71 27/1992 2 01/1950 46.4 1963 32.3 1989 0.0 0.5 14.6 0.0
March 49.4 33.9 41.6 74 27/1941 11 04/1955 49.0 1941 31.4 2002 0.0 0.3 12.7 0.0
April 54.3 37.1 45.7 83 28/1987 24 05/1982 50.2 1941 38.5 2002 0.0 0.0 5.7 0.0
May 60.6 42.3 51.4 92 29/1983 26 07/2002 57.8 1958 43.5 2002 0.0 0.0 0.8 0.0
June 65.3 46.8 56.1 93 30/1942 32 01/2002 60.6 1992 50.5 2005 0.2 0.0 0.0 0.0
July 71.9 50.6 61.2 99 03/1942 35 02/2002 67.4 1958 56.1 2001 0.9 0.0 0.0 0.0
August 72.2 50.6 61.4 98 10/1981 39 26/1949 67.6 1967 56.9 1954 0.6 0.0 0.0 0.0
September 67.5 46.9 57.2 94 15/1979 31 27/1972 62.2 1974 50.6 2005 0.2 0.0 0.1 0.0
October 58.6 41.1 49.8 90 02/1987 18 30/2002 55.8 1952 45.1 2001 0.0 0.0 2.0 0.0
November 49.3 35.4 42.3 74 03/1949 7 23/1985 50.1 1949 32.2 1985 0.0 0.5 9.4 0.0
December 44.4 32.1 38.3 66 10/1993 1 30/1968 43.5 1958 31.5 1983 0.0 1.3 16.3 0.0
Annual 57.0 40.0 48.5 99 19420703 -2 19500114 51.8 1958 44.7 2001 2.0 5.0 78.7 0.1
Winter 44.8 31.8 38.3 74 19400128 -2 19500114 43.5 1992 31.9 1950 0.0 4.3 48.0 0.1
Spring 54.8 37.8 46.3 92 19830529 11 19550304 51.1 1992 37.8 2002 0.0 0.3 19.2 0.0
Summer 69.8 49.4 59.6 99 19420703 32 20020601 64.2 1958 55.0 2001 1.7 0.0 0.0 0.0
Fall 58.5 41.1 49.8 94 19790915 7 19851123 53.1 1987 44.9 1985 0.2 0.5 11.6 0.0
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