HALF MOON BAY, CALIFORNIA

Period of Record General Climate Summary - Precipitation

Station:(043714) HALF MOON BAY
From Year=1939 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 5.15 12.13 1998 0.26 1984 5.33 04/1982 12 8 3 1 0.0 0.0 1945
February 4.49 15.70 1998 0.25 1967 2.92 03/1998 11 8 3 1 0.0 0.0 1942
March 3.83 13.05 1983 0.00 1956 3.85 30/1940 11 7 3 1 0.0 0.0 1940
April 1.88 7.43 1967 0.00 1949 2.36 04/1941 7 4 1 0 0.0 0.0 1940
May 0.76 4.10 1957 0.00 1965 1.28 27/1990 5 2 0 0 0.0 0.0 1945
June 0.30 2.11 2011 0.00 1940 1.12 02/1967 3 1 0 0 0.0 0.0 1945
July 0.12 1.01 1974 0.00 1939 0.60 08/1974 4 0 0 0 0.0 0.0 1944
August 0.19 1.56 1976 0.00 1939 0.72 20/1997 4 0 0 0 0.0 0.0 1944
September 0.35 3.66 1959 0.00 1941 2.56 19/1959 4 1 0 0 0.0 0.0 1944
October 1.59 10.97 1962 0.00 1949 4.90 13/1962 6 3 1 0 0.0 0.0 1944
November 2.99 9.86 1984 0.00 1956 2.83 18/1982 9 5 2 1 0.0 0.0 1944
December 4.52 13.81 1955 0.03 1989 5.50 16/2002 11 7 3 1 0.0 0.0 1943
Annual 26.17 55.01 1983 13.13 1976 5.50 20021216 86 47 18 6 0.0 0.0 1946
Winter 14.16 31.48 1998 3.46 2012 5.50 20021216 33 23 10 4 0.0 0.0 1946
Spring 6.47 17.27 1983 0.63 2008 3.85 19400330 23 13 4 1 0.0 0.0 1946
Summer 0.61 2.78 2011 0.00 1940 1.12 19670602 11 2 0 0 0.0 0.0 1945
Fall 4.93 14.37 1972 0.52 1995 4.90 19621013 19 9 3 1 0.0 0.0 1944
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