PETALUMA AP, CALIFORNIA

Period of Record General Climate Summary - Precipitation

Station:(046826) PETALUMA FIRE STN 3
From Year=1893 To Year=2012
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 5.33 16.59 1916 0.24 1920 4.06 10/1979 11 8 4 2 0.0 1.5 1916
February 4.57 19.59 1998 0.08 1953 3.82 11/1925 10 8 3 1 0.0 0.0 1926
March 3.25 15.04 1983 0.08 1988 3.69 09/1995 10 7 2 1 0.0 0.0 1924
April 1.58 6.62 1926 0.00 1949 2.45 04/1941 6 4 1 0 0.0 0.0 1925
May 0.63 4.60 1925 0.00 1918 2.26 21/1921 3 2 0 0 0.0 0.0 1917
June 0.20 2.32 2011 0.00 1893 1.75 02/1967 1 1 0 0 0.0 0.0 1935
July 0.02 0.95 1974 0.00 1893 0.91 08/1974 0 0 0 0 0.0 0.0 1924
August 0.06 1.04 1997 0.00 1913 1.00 20/1997 0 0 0 0 0.0 0.0 1935
September 0.24 2.85 1918 0.00 1913 2.00 13/1918 1 0 0 0 0.0 0.0 1924
October 1.28 7.29 1962 0.00 1913 2.94 13/1962 4 2 1 0 0.0 0.0 1932
November 2.96 9.73 1926 0.00 1929 3.78 28/1970 8 5 2 1 0.0 0.0 1918
December 4.78 15.48 1955 0.00 1989 4.29 27/2004 11 8 3 1 0.0 0.5 1972
Annual 24.89 45.93 1998 8.98 1976 4.29 20041227 67 45 17 6 0.0 0.5 1972
Winter 14.67 31.48 1998 3.06 1976 4.29 20041227 33 24 11 4 0.0 0.5 1973
Spring 5.46 19.91 1983 0.56 2008 3.69 19950309 19 12 3 1 0.0 0.0 1936
Summer 0.28 2.32 2011 0.00 1928 1.75 19670602 2 1 0 0 0.0 0.0 1935
Fall 4.48 11.77 1926 0.28 1995 3.78 19701128 14 8 3 1 0.0 0.0 1935
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