SONOMA, CALIFORNIA

Period of Record General Climate Summary - Temperature

Station:(048351) SONOMA
From Year=1952 To Year=2005
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 57.4 37.1 47.2 84 08/1962 20 02/1960 52.3 1978 42.4 1972 0.0 0.0 10.2 0.0
February 63.1 39.5 51.3 84 23/1985 20 07/1989 56.4 1963 46.6 1956 0.0 0.0 5.2 0.0
March 66.6 40.5 53.6 89 31/1966 24 03/1966 59.8 2004 49.0 1954 0.0 0.0 3.2 0.0
April 71.3 41.8 56.6 100 28/1981 27 02/1976 61.0 1990 48.5 1967 0.3 0.0 1.3 0.0
May 77.4 45.5 61.5 105 12/1976 27 05/1952 68.4 2001 56.0 1953 3.3 0.0 0.2 0.0
June 84.4 49.5 67.0 112 14/1961 31 12/1952 75.0 1981 60.6 1952 8.7 0.0 0.0 0.0
July 89.3 51.0 70.1 116 13/1972 38 09/1953 73.8 1984 66.2 1955 14.3 0.0 0.0 0.0
August 88.9 50.7 69.8 108 03/1998 36 23/1979 72.8 1958 64.0 1954 14.0 0.0 0.0 0.0
September 86.8 49.2 68.0 110 01/1955 34 20/1965 73.2 1984 63.2 1986 11.2 0.0 0.0 0.0
October 79.1 45.4 62.2 107 02/1980 30 24/1956 65.8 1978 58.0 1954 4.1 0.0 0.4 0.0
November 65.9 40.5 53.2 91 01/1985 22 13/1985 57.8 1995 48.6 1994 0.0 0.0 4.3 0.0
December 57.7 37.1 47.4 80 26/1967 13 22/1990 52.5 1977 42.6 1965 0.0 0.0 9.5 0.0
Annual 74.0 44.0 59.0 116 19720713 13 19901222 61.1 1997 56.3 1954 55.9 0.0 34.2 0.0
Winter 59.4 37.9 48.6 84 19620108 13 19901222 52.6 1978 44.9 1955 0.0 0.0 24.9 0.0
Spring 71.8 42.6 57.2 105 19760512 24 19660303 61.0 1997 53.2 1953 3.6 0.0 4.7 0.0
Summer 87.6 50.4 69.0 116 19720713 31 19520612 71.5 1981 64.9 1953 37.0 0.0 0.0 0.0
Fall 77.2 45.0 61.1 110 19550901 22 19851113 64.3 1983 57.8 1954 15.3 0.0 4.6 0.0
Table updated on Apr 5, 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