MOUNT DIABLO JUNCTION, CALIFORNIA

Period of Record General Climate Summary - Temperature

Station:(045915) MOUNT DIABLO JUNCTION
From Year=1952 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 55.0 39.2 47.1 77 13/1983 18 22/1962 53.1 1976 43.0 1955 0.0 0.0 4.2 0.0
February 57.0 40.3 48.6 80 18/1977 14 06/1989 54.8 1977 42.5 1989 0.0 0.0 2.8 0.0
March 59.1 40.5 49.8 84 17/1972 25 07/1956 58.4 2004 42.0 2006 0.0 0.0 2.4 0.0
April 64.4 42.9 53.7 90 27/2004 26 03/2001 61.0 1959 43.7 1967 0.0 0.0 1.0 0.0
May 70.8 46.9 58.9 102 06/1987 31 01/1988 67.4 2001 50.2 1998 1.0 0.0 0.1 0.0
June 78.7 52.7 65.7 107 16/1961 37 05/1995 73.0 1981 58.8 1952 5.3 0.0 0.0 0.0
July 86.5 59.9 73.2 111 15/1972 34 05/1955 79.7 1967 63.6 1987 12.4 0.0 0.0 0.0
August 86.0 59.6 72.8 107 07/1966 41 22/2001 81.9 1967 66.1 1954 11.8 0.0 0.0 0.0
September 82.8 57.1 69.9 107 03/1955 37 28/1959 75.3 1975 62.5 1986 7.5 0.0 0.0 0.0
October 74.3 51.5 62.9 99 02/2001 31 28/1971 70.1 1978 56.4 2004 2.2 0.0 0.0 0.0
November 62.1 44.1 53.1 90 02/1966 26 13/1985 61.0 1959 44.8 1994 0.0 0.0 1.3 0.0
December 55.9 40.0 48.0 77 17/1980 14 22/1990 56.9 1958 41.3 1971 0.0 0.0 3.5 0.0
Annual 69.4 47.9 58.6 111 19720715 14 19890206 61.3 1959 56.1 1998 40.4 0.0 15.4 0.0
Winter 55.9 39.8 47.9 80 19770218 14 19890206 53.1 1977 44.3 1969 0.0 0.0 10.5 0.0
Spring 64.8 43.5 54.1 102 19870506 25 19560307 59.0 1997 50.2 1995 1.0 0.0 3.5 0.0
Summer 83.8 57.4 70.6 111 19720715 34 19550705 75.4 1967 66.8 1980 29.5 0.0 0.0 0.0
Fall 73.0 50.9 62.0 107 19550903 26 19851113 66.3 1991 56.8 1985 9.8 0.0 1.4 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