MASON DAM, OREGON

Period of Record General Climate Summary - Temperature

Station:(355258) MASON DAM
From Year=1969 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 34.1 12.9 23.5 59 29/1971 -28 31/1996 30.9 1981 11.6 1979 0.0 10.9 30.4 5.7
February 40.6 16.0 28.3 64 27/1970 -40 06/1989 36.5 1992 15.4 1989 0.0 3.3 27.3 3.2
March 48.0 22.7 35.4 73 29/1978 -9 07/1985 42.8 1992 28.8 1985 0.0 0.6 29.3 0.4
April 56.2 28.7 42.4 85 27/1987 6 06/1975 48.3 1987 34.0 1975 0.0 0.0 22.5 0.0
May 64.8 35.0 50.0 91 28/1983 20 12/1985 55.4 1993 44.9 2011 0.1 0.0 11.5 0.0
June 73.0 40.5 56.7 95 25/1992 22 10/1973 62.0 1986 53.0 1991 0.9 0.0 2.9 0.0
July 82.0 44.5 63.2 98 22/1980 27 02/1979 68.0 1998 54.8 1993 5.6 0.0 0.4 0.0
August 82.1 44.5 63.3 98 24/1969 26 24/1992 67.0 1971 57.7 1975 5.6 0.0 0.4 0.0
September 72.8 37.6 55.2 95 03/1998 20 13/1970 61.0 1998 49.2 1985 0.6 0.0 6.4 0.0
October 60.3 30.1 45.2 86 02/2012 5 29/1971 52.0 1988 41.2 1970 0.0 0.0 19.8 0.0
November 43.3 23.8 33.6 65 01/1988 -10 21/1985 40.8 1976 23.8 1985 0.0 2.4 26.7 0.5
December 33.8 14.9 24.3 54 13/1995 -28 23/1983 31.2 1977 13.8 1985 0.0 11.5 30.4 3.4
Annual 57.6 29.3 43.4 98 19690824 -40 19890206 46.0 1992 39.4 1985 12.8 28.8 208.0 13.2
Winter 36.1 14.6 25.4 64 19700227 -40 19890206 31.0 1978 17.3 1985 0.0 25.8 88.2 12.2
Spring 56.3 28.8 42.6 91 19830528 -9 19850307 48.4 1992 36.7 1975 0.1 0.6 63.3 0.4
Summer 79.0 43.1 61.1 98 19690824 22 19730610 63.4 1994 56.2 1993 12.2 0.0 3.6 0.0
Fall 58.8 30.5 44.7 95 19980903 -10 19851121 47.5 1976 38.7 1985 0.6 2.4 52.9 0.5
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