BONNEVILLE DAM, OREGON

Period of Record General Climate Summary - Temperature

Station:(350897) BONNEVILLE DAM
From Year=1948 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 42.5 32.9 37.7 64 10/1990 -5 31/1950 44.9 1953 23.9 1950 0.0 3.4 11.8 0.0
February 47.4 35.2 41.3 68 23/2002 -5 01/1950 47.1 1991 32.6 1956 0.0 0.7 7.4 0.1
March 53.5 37.8 45.6 75 31/2003 20 03/1960 51.9 1992 39.9 1955 0.0 0.1 4.1 0.0
April 59.7 41.9 50.8 88 28/1987 28 13/1968 55.3 2004 45.6 1955 0.0 0.0 0.5 0.0
May 66.4 47.1 56.8 98 23/2001 31 20/1966 62.8 1992 52.2 1962 0.2 0.0 0.1 0.0
June 72.0 52.4 62.2 102 23/1992 37 02/1967 67.6 1992 58.0 1971 1.1 0.0 0.0 0.0
July 78.5 56.6 67.5 104 12/1961 43 24/1953 72.6 1985 62.0 1955 2.9 0.0 0.0 0.0
August 78.9 56.5 67.7 107 18/1977 42 08/1965 73.2 1967 63.8 1954 2.9 0.0 0.0 0.0
September 74.0 52.8 63.4 100 06/1955 34 27/1972 67.8 1967 59.0 1972 1.0 0.0 0.0 0.0
October 63.0 46.6 54.8 86 03/1952 29 19/1949 60.9 1952 48.3 1949 0.0 0.0 0.2 0.0
November 51.0 39.9 45.5 80 12/1961 9 24/1985 50.7 1995 36.3 1985 0.0 0.4 2.9 0.0
December 44.0 34.7 39.4 65 26/1980 0 30/1968 43.4 1953 29.0 1985 0.0 1.7 8.7 0.0
Annual 60.9 44.5 52.7 107 19770818 -5 19500131 56.0 1992 49.7 1955 8.1 6.3 35.7 0.1
Winter 44.6 34.3 39.4 68 20020223 -5 19500131 44.0 1992 32.3 1949 0.0 5.8 27.8 0.1
Spring 59.9 42.3 51.1 98 20010523 20 19600303 56.2 1992 46.3 1955 0.2 0.1 4.8 0.0
Summer 76.5 55.2 65.8 107 19770818 37 19670602 69.5 1992 61.7 1954 6.9 0.0 0.0 0.0
Fall 62.7 46.4 54.5 100 19550906 9 19851124 58.5 1987 49.9 1985 1.0 0.4 3.1 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