OAK KNOLL, CALIFORNIA

Period of Record General Climate Summary - Precipitation

Station:(046328) OAK KNOLL RANGER STN
From Year=1943 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 4.79 10.77 1970 0.60 1949 2.93 22/1972 11 8 3 1 7.4 42.3 1950
February 2.73 7.35 1999 0.41 2005 5.02 22/1944 8 6 2 1 1.8 35.0 1949
March 2.37 6.36 1971 0.17 1965 1.85 12/1957 9 6 1 0 1.6 24.0 1962
April 1.25 3.92 2010 0.10 1959 1.80 27/1953 7 4 1 0 0.0 0.0 1949
May 0.98 3.55 1953 0.00 1954 1.09 05/2009 6 3 0 0 0.0 0.0 1949
June 0.65 2.75 1958 0.00 1945 0.92 16/1950 4 2 0 0 0.0 0.0 1949
July 0.29 2.18 1944 0.00 1950 1.00 29/1944 2 1 0 0 0.0 0.0 1948
August 0.39 2.63 1965 0.00 1946 1.56 10/1999 2 1 0 0 0.0 0.0 1948
September 0.38 2.11 1957 0.00 1960 1.23 30/1957 2 1 0 0 0.0 0.0 1948
October 1.73 8.46 1962 0.01 2002 2.75 25/2010 6 3 1 0 0.0 0.0 1948
November 3.41 11.06 1998 0.06 1959 2.70 07/2005 9 6 2 1 0.7 16.5 1955
December 4.77 17.71 1964 0.45 1943 2.89 22/1964 11 8 4 1 3.0 37.0 1965
Annual 23.76 34.39 1964 12.31 1949 5.02 19440222 75 49 15 5 14.5 47.5 1952
Winter 12.29 25.85 1956 3.25 2001 5.02 19440222 29 22 9 3 12.2 52.6 1949
Spring 4.60 9.24 1971 1.82 1951 1.85 19570312 22 13 2 0 1.6 24.0 1962
Summer 1.33 4.17 1958 0.04 1951 1.56 19990810 7 4 1 0 0.0 0.0 1949
Fall 5.53 13.67 1962 0.93 1959 2.75 20101025 16 10 3 1 0.7 16.5 1955
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