JOHN DAY DAM, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(454035) JOHN DAY DAM
From Year=1958 To Year=1972
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 42.1 30.4 36.3 65 30/1971 2 12/1963 44.5 1967 25.8 1969 0.0 4.8 16.4 0.0
February 49.1 35.0 42.1 64 24/1964 12 02/1972 45.8 1967 36.8 1969 0.0 0.5 7.9 0.0
March 55.5 37.5 46.5 77 26/1960 12 04/1960 50.4 1968 43.3 1962 0.0 0.2 5.2 0.0
April 62.3 43.4 52.9 86 30/1968 24 14/1961 56.1 1965 50.0 1972 0.0 0.0 0.3 0.0
May 70.9 49.5 60.2 95 26/1966 36 23/1960 64.1 1969 55.4 1962 1.0 0.0 0.0 0.0
June 79.6 57.0 68.3 112 18/1961 40 05/1963 73.7 1961 64.5 1971 5.2 0.0 0.0 0.0
July 88.3 62.6 75.4 110 23/1959 39 26/1969 79.3 1960 70.9 1963 14.6 0.0 0.0 0.0
August 87.4 62.5 75.0 110 05/1961 45 01/1970 81.3 1967 70.8 1964 12.6 0.0 0.0 0.0
September 78.6 55.3 66.9 101 01/1967 39 24/1961 73.7 1967 63.2 1970 3.5 0.0 0.0 0.0
October 65.8 46.1 56.0 92 01/1970 27 28/1971 59.9 1965 53.8 1961 0.1 0.0 0.4 0.0
November 52.0 38.3 45.2 68 03/1965 15 13/1959 48.0 1965 38.8 1961 0.0 0.2 5.9 0.0
December 42.7 32.2 37.5 63 16/1959 -2 17/1964 41.9 1966 33.0 1960 0.0 2.9 13.1 0.2
Annual 64.5 45.8 55.2 112 19610618 -2 19641217 58.0 1967 53.9 1960 37.0 8.7 49.2 0.2
Winter 44.6 32.5 38.6 65 19710130 -2 19641217 44.1 1967 33.2 1969 0.0 8.2 37.4 0.2
Spring 62.9 43.5 53.2 95 19660526 12 19600304 55.0 1966 51.4 1962 1.0 0.2 5.5 0.0
Summer 85.1 60.7 72.9 112 19610618 39 19690726 77.2 1961 69.9 1964 32.5 0.0 0.0 0.0
Fall 65.5 46.6 56.0 101 19670901 15 19591113 58.9 1967 52.2 1961 3.5 0.2 6.3 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