PORTOLA, CALIFORNIA

Period of Record General Climate Summary - Precipitation

Station:(047085) PORTOLA
From Year=1948 To Year=2006
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 4.11 12.05 1969 0.08 1991 3.57 21/1967 9 7 3 1 13.6 69.0 1952
February 3.29 11.94 1986 0.04 1988 2.55 09/1999 8 6 2 1 9.4 80.3 1969
March 3.07 13.22 1995 0.23 1988 3.61 10/1995 8 6 2 1 6.9 64.0 1967
April 1.33 4.57 1963 0.04 1952 1.42 13/2003 5 4 1 0 2.3 61.0 1982
May 1.10 3.41 1996 0.00 1954 2.40 16/1996 5 3 1 0 0.7 7.5 1971
June 0.59 2.59 1969 0.00 1951 1.12 01/1961 3 2 0 0 0.0 0.0 1949
July 0.36 2.54 1952 0.00 1948 1.86 11/2001 1 1 0 0 0.0 0.0 1948
August 0.35 2.09 1965 0.00 1948 2.02 20/1990 1 1 0 0 0.0 0.0 1948
September 0.54 2.85 1982 0.00 1951 1.10 11/1976 2 2 0 0 0.1 4.0 1971
October 1.16 9.70 1962 0.00 1954 3.89 13/1962 4 2 1 0 0.2 5.0 1948
November 2.31 8.64 1983 0.00 1956 2.46 23/1988 6 4 2 1 3.5 24.0 1985
December 3.74 14.36 1955 0.00 1989 4.18 19/1955 7 6 3 1 11.2 71.7 1971
Annual 21.95 39.08 1996 9.60 1976 4.18 19551219 60 43 15 5 47.9 185.6 1952
Winter 11.15 32.74 1993 1.63 1991 4.18 19551219 23 18 8 3 34.3 153.0 1952
Spring 5.50 18.90 1995 1.09 2004 3.61 19950310 19 13 3 1 9.8 84.6 1982
Summer 1.29 6.15 1965 0.00 1957 2.02 19900820 6 4 1 0 0.0 0.0 1949
Fall 4.00 12.27 1983 0.18 1995 3.89 19621013 12 8 3 1 3.8 24.0 1985
Table updated on Jul 28, 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