PETALUMA AP, CALIFORNIA

Period of Record General Climate Summary - Temperature

Station:(046826) PETALUMA FIRE STN 3
From Year=1893 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 56.9 37.6 47.3 93 01/1925 18 01/1919 52.5 1925 40.2 1937 0.0 0.0 8.2 0.0
February 61.3 40.2 50.7 89 16/1913 18 07/1989 58.7 1930 45.5 1919 0.0 0.0 4.0 0.0
March 64.3 41.5 52.9 93 17/1914 24 06/1918 59.0 1930 46.9 1919 0.0 0.0 1.8 0.0
April 67.8 43.3 55.6 97 29/1981 24 24/1971 60.2 1990 48.2 1967 0.2 0.0 0.5 0.0
May 72.2 46.4 59.3 101 29/1950 27 10/1985 64.4 1987 53.6 1917 1.1 0.0 0.1 0.0
June 78.1 49.8 64.0 110 02/1960 32 01/1930 69.5 1981 58.8 1923 3.2 0.0 0.0 0.0
July 81.8 51.3 66.5 110 14/1972 35 27/2007 70.9 1984 62.9 1918 4.5 0.0 0.0 0.0
August 81.7 51.5 66.6 105 07/1921 36 21/1987 70.7 1958 59.0 1918 4.6 0.0 0.0 0.0
September 81.4 50.6 66.0 109 16/1913 31 19/1929 70.7 1958 58.2 1918 5.9 0.0 0.0 0.0
October 75.8 47.0 61.4 106 02/1980 25 30/1948 68.5 1929 55.3 1916 2.1 0.0 0.2 0.0
November 65.8 41.3 53.5 91 17/1932 20 14/1916 61.0 1923 47.5 1918 0.0 0.0 3.5 0.0
December 57.6 38.1 47.8 81 26/1967 16 14/1932 58.8 1929 41.7 1918 0.0 0.0 7.7 0.0
Annual 70.4 44.9 57.6 110 19600602 16 19321214 60.0 1921 53.5 1918 21.6 0.0 26.1 0.0
Winter 58.6 38.6 48.6 93 19250101 16 19321214 56.0 1930 43.5 1919 0.0 0.0 19.9 0.0
Spring 68.1 43.8 55.9 101 19500529 24 19180306 59.7 2004 51.1 1917 1.3 0.0 2.4 0.0
Summer 80.5 50.9 65.7 110 19600602 32 19300601 68.3 1958 61.7 1918 12.3 0.0 0.0 0.0
Fall 74.3 46.3 60.3 109 19130916 20 19161114 63.6 1958 54.1 1918 8.0 0.0 3.7 0.0
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