MOUNT DIABLO JUNCTION, CALIFORNIA

Period of Record General Climate Summary - Precipitation

Station:(045915) MOUNT DIABLO JUNCTION
From Year=1952 To Year=2006
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.
>=
0.10 in.
>=
0.50 in.
>=
1.00 in.
Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd
# Days # Days # Days # Days in. in. -
January 4.85 12.00 1967 0.31 1984 5.02 21/1967 11 8 3 1 0.6 5.0 1968
February 4.15 13.54 1998 0.00 1953 4.73 01/1963 10 7 3 1 0.2 7.0 2001
March 3.41 10.43 1991 0.09 1956 2.23 08/1986 10 7 2 1 0.3 8.0 1975
April 1.73 6.08 1958 0.15 1973 2.35 03/1958 6 4 1 0 0.4 17.0 1975
May 0.82 4.64 1998 0.00 1965 1.65 16/1996 4 2 1 0 0.0 0.0 1952
June 0.18 1.34 1995 0.00 1955 1.08 16/1995 1 1 0 0 0.0 0.0 1952
July 0.03 0.56 1974 0.00 1952 0.55 09/1974 0 0 0 0 0.0 0.0 1952
August 0.07 1.11 1976 0.00 1952 0.61 19/1976 1 0 0 0 0.0 0.0 1952
September 0.29 2.79 1959 0.00 1952 2.01 19/1959 1 1 0 0 0.0 0.0 1952
October 1.30 10.67 1962 0.00 1952 4.80 13/1962 4 2 1 0 0.0 0.0 1952
November 3.11 7.87 1970 0.00 1959 3.60 06/1994 8 5 2 1 0.0 2.0 1982
December 4.23 15.38 1955 0.00 1989 4.85 23/1955 10 7 3 1 0.1 1.5 1984
Annual 24.16 41.45 1983 8.90 1976 5.02 19670121 66 44 17 6 1.6 25.0 1975
Winter 13.23 26.94 1956 1.83 1976 5.02 19670121 31 22 9 4 0.8 7.0 2001
Spring 5.96 14.97 1995 0.90 1959 2.35 19580403 20 13 4 1 0.7 25.0 1975
Summer 0.28 1.34 1995 0.00 1955 1.08 19950616 2 1 0 0 0.0 0.0 1952
Fall 4.70 11.32 1962 0.06 1995 4.80 19621013 13 8 3 1 0.0 2.0 1982
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