SANTA ROSA, CALIFORNIA

Period of Record General Climate Summary - Precipitation

Station:(047965) SANTA ROSA
From Year=1931 To Year=2005
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 6.18 17.08 1995 0.39 1976 5.04 05/1966 13 9 4 2 0.0 0.0 1949
February 5.21 19.42 1998 0.08 1953 4.20 04/1937 11 8 4 2 0.0 0.0 1949
March 4.13 15.74 1983 0.02 1988 3.95 09/1995 10 7 3 1 0.0 0.0 1949
April 2.07 7.61 1948 0.07 1970 2.97 04/1941 7 4 1 0 0.0 0.0 1949
May 0.89 5.55 2005 0.00 1935 2.80 27/1990 4 2 1 0 0.0 0.0 1949
June 0.28 1.94 1967 0.00 1932 1.65 02/1967 1 1 0 0 0.0 0.0 1949
July 0.03 1.61 1974 0.00 1931 1.33 08/1974 0 0 0 0 0.0 0.0 1948
August 0.10 1.68 1968 0.00 1931 1.32 21/1968 1 0 0 0 0.0 0.0 1948
September 0.33 3.16 1959 0.00 1931 2.82 18/1959 2 1 0 0 0.0 0.0 1948
October 1.71 9.47 1962 0.00 1978 4.67 12/1962 5 3 1 1 0.0 0.0 1948
November 3.77 13.23 1973 0.00 1933 2.77 09/1954 9 6 3 1 0.0 0.0 1948
December 5.80 17.89 1955 0.00 1989 5.23 19/1981 11 8 4 2 0.0 0.0 1948
Annual 30.50 63.07 1983 11.38 1976 5.23 19811219 74 49 21 9 0.0 0.0 1949
Winter 17.19 35.82 1956 3.89 1976 5.23 19811219 35 25 12 5 0.0 0.0 1949
Spring 7.09 20.12 1983 1.85 2004 3.95 19950309 21 14 5 2 0.0 0.0 1949
Summer 0.41 1.94 1967 0.00 1932 1.65 19670602 2 1 0 0 0.0 0.0 1949
Fall 5.81 16.34 1973 0.24 1936 4.67 19621012 15 10 4 2 0.0 0.0 1948
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