RIMROCK TIETON DAM, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(457038) RIMROCK TIETON DAM
From Year=1947 To Year=1977
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 33.7 17.8 25.7 55 07/1962 -22 31/1950 36.1 1953 11.8 1950 0.0 12.2 29.2 3.2
February 40.3 22.2 31.3 67 03/1962 -22 03/1950 37.6 1963 23.3 1956 0.0 3.8 26.2 0.8
March 44.7 24.8 34.8 72 18/1947 -8 05/1955 40.7 1947 29.7 1955 0.0 1.4 28.7 0.2
April 53.1 30.7 41.9 81 14/1947 13 05/1975 45.7 1949 37.5 1975 0.0 0.0 19.5 0.0
May 62.5 36.7 49.6 91 27/1958 20 01/1954 57.1 1958 44.2 1977 0.1 0.0 7.9 0.0
June 69.8 43.3 56.5 95 23/1958 26 05/1956 62.0 1969 51.5 1976 0.9 0.0 1.1 0.0
July 78.8 46.8 62.8 100 23/1959 30 07/1971 67.0 1958 58.2 1948 5.0 0.0 0.1 0.0
August 77.8 45.8 61.8 102 05/1961 31 29/1969 67.3 1958 57.9 1964 3.6 0.0 0.1 0.0
September 70.8 40.1 55.5 95 01/1967 24 27/1972 61.5 1967 49.8 1971 0.4 0.0 4.0 0.0
October 57.4 32.8 45.1 86 04/1958 14 29/1971 52.5 1952 41.9 1968 0.0 0.0 15.3 0.0
November 43.3 27.3 35.3 66 01/1959 -6 15/1955 41.8 1949 27.9 1955 0.0 1.8 23.5 0.1
December 36.2 22.0 29.1 56 03/1956 -20 17/1964 34.9 1953 23.0 1968 0.0 7.7 29.3 0.8
Annual 55.7 32.5 44.1 102 19610805 -22 19500131 47.3 1958 41.6 1948 10.0 26.9 184.8 5.1
Winter 36.8 20.7 28.7 67 19620203 -22 19500131 34.2 1958 21.0 1949 0.0 23.7 84.6 4.8
Spring 53.5 30.7 42.1 91 19580527 -8 19550305 47.1 1947 38.0 1955 0.1 1.4 56.1 0.2
Summer 75.4 45.3 60.4 102 19610805 26 19560605 65.1 1958 56.9 1976 9.6 0.0 1.3 0.0
Fall 57.2 33.4 45.3 95 19670901 -6 19551115 48.0 1952 41.7 1961 0.4 1.8 42.8 0.1
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