PORTOLA, CALIFORNIA

Period of Record General Climate Summary - Temperature

Station:(047085) PORTOLA
From Year=1915 To Year=2012
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean		 Year Lowest
Mean		 Year >=
90 F		 <=
32 F		 <=
32 F		 <=
0 F
F F F F dd/yyyy
or
yyyymmdd		 F dd/yyyy
or
yyyymmdd		 F - F - # Days # Days # Days # Days
January 42.8 17.2 30.0 71 25/1923 -24 01/1924 39.5 1986 16.0 1949 0.0 3.3 29.3 2.2
February 46.2 20.1 33.1 72 28/1986 -21 12/1949 43.2 1963 19.4 1933 0.0 1.6 26.4 0.9
March 52.0 23.7 37.8 84 20/1926 -12 20/1952 47.5 1921 28.3 1922 0.0 0.4 28.0 0.3
April 59.0 27.4 43.2 86 30/1947 3 13/1921 49.4 1925 28.6 1922 0.0 0.1 24.4 0.0
May 67.7 32.6 50.1 94 29/2003 13 15/1917 58.0 1925 38.7 1922 0.1 0.0 16.0 0.0
June 76.8 37.3 57.0 111 24/2006 20 08/1920 65.3 1924 49.4 1915 2.5 0.0 6.8 0.0
July 86.1 40.9 63.4 110 01/1924 22 01/1976 70.3 1917 56.1 1920 10.1 0.0 2.8 0.0
August 84.4 38.7 61.6 107 08/1981 19 19/1943 76.7 1917 51.7 1924 7.0 0.0 5.8 0.0
September 78.0 33.9 56.0 100 02/1955 12 25/1929 61.4 2011 45.2 1924 2.1 0.0 12.6 0.0
October 67.0 28.1 47.5 92 02/1933 3 29/1919 55.6 1933 35.7 1928 0.1 0.0 23.6 0.0
November 53.4 22.9 38.2 82 03/1918 -6 11/1915 44.6 1950 29.1 1994 0.0 0.4 27.0 0.2
December 44.4 18.5 31.5 72 08/1921 -28 09/1972 40.8 1921 21.1 1990 0.0 2.5 29.0 1.3
Annual 63.1 28.4 45.8 111 20060624 -28 19721209 47.8 1986 40.4 1922 22.0 8.3 231.8 4.8
Winter 44.5 18.6 31.5 72 19211208 -28 19721209 37.0 1920 20.6 1933 0.0 7.5 84.7 4.4
Spring 59.5 27.9 43.7 94 20030529 -12 19520320 49.6 1925 31.9 1922 0.1 0.4 68.4 0.3
Summer 82.4 39.0 60.7 111 20060624 19 19430819 67.4 1917 55.9 1916 19.6 0.0 15.4 0.0
Fall 66.1 28.3 47.2 100 19550902 -6 19151111 51.2 1918 38.8 1924 2.2 0.4 63.2 0.2
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