MOUNT HAMILTON, CALIFORNIA

Period of Record General Climate Summary - Temperature

Station:(045933) MOUNT HAMILTON
From Year=1948 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 48.3 36.6 42.4 73 16/1976 10 03/1949 52.2 2003 32.6 1950 0.0 1.1 10.6 0.0
February 49.3 36.8 43.0 78 03/1954 12 12/1949 52.2 1995 34.7 1969 0.0 0.7 8.8 0.0
March 50.0 36.6 43.4 77 31/1966 17 02/1953 53.7 2004 35.2 2006 0.0 0.6 10.9 0.0
April 55.4 39.7 47.6 84 07/1989 19 08/1953 58.8 1989 33.7 1967 0.0 0.1 7.8 0.0
May 63.2 46.1 54.7 91 28/1984 25 01/1953 65.7 2001 42.8 1998 0.0 0.0 2.3 0.0
June 71.5 54.3 63.0 94 15/1961 28 02/1953 70.7 1960 52.6 1953 0.5 0.0 0.2 0.0
July 78.7 63.1 70.9 100 14/1972 34 04/1955 77.7 1988 63.5 1987 1.5 0.0 0.0 0.0
August 78.0 62.2 70.1 103 05/1978 37 03/1953 78.5 1967 61.7 1976 1.4 0.0 0.0 0.0
September 74.1 58.1 66.1 98 03/1988 35 25/1948 72.6 1991 55.4 1986 0.7 0.0 0.0 0.0
October 65.5 50.8 58.2 93 01/1980 20 29/1971 66.6 1988 51.3 1957 0.1 0.0 0.6 0.0
November 54.8 42.0 48.4 81 04/1976 18 16/1958 58.3 1949 37.5 1994 0.0 0.1 4.2 0.0
December 49.1 37.2 43.2 76 16/1980 7 21/1990 52.1 1980 35.3 1948 0.0 1.0 9.7 0.0
Annual 61.5 47.0 54.2 103 19780805 7 19901221 57.4 1988 51.1 1998 4.1 3.7 55.0 0.0
Winter 48.9 36.9 42.9 78 19540203 7 19901221 48.3 1977 37.1 1952 0.0 2.9 29.0 0.0
Spring 56.2 40.8 48.5 91 19840528 17 19530302 55.2 1989 42.5 1953 0.0 0.8 21.1 0.0
Summer 76.1 59.8 68.0 103 19780805 28 19530602 72.8 1988 62.1 1953 3.3 0.0 0.2 0.0
Fall 64.8 50.3 57.6 98 19880903 18 19581116 63.0 1991 52.9 1972 0.8 0.1 4.7 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