NAPA STATE HOSPITAL, CALIFORNIA

Period of Record General Climate Summary - Temperature

Station:(046074) NAPA STATE HOSPITAL
From Year=1917 To Year=2006
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 57.5 37.9 47.7 85 08/1962 19 09/1937 53.8 1924 38.4 1937 0.0 0.0 8.1 0.0
February 62.0 40.5 51.2 85 17/1948 23 01/1917 56.8 1963 45.0 1949 0.0 0.0 3.4 0.0
March 65.6 41.7 53.7 90 08/1955 23 08/1949 61.6 2004 48.2 1935 0.0 0.0 2.0 0.0
April 70.0 43.3 56.6 95 28/1921 27 22/1929 61.8 1985 48.8 1967 0.3 0.0 0.8 0.0
May 74.8 47.2 61.0 103 29/1950 30 18/1974 68.5 2001 55.9 1918 2.0 0.0 0.1 0.0
June 80.0 51.1 65.5 113 14/1961 34 17/1929 73.2 1981 59.1 1923 4.7 0.0 0.0 0.0
July 82.0 53.0 67.5 112 14/1972 38 13/1929 71.4 1988 61.1 1924 4.7 0.0 0.0 0.0
August 81.9 52.8 67.4 106 04/1998 37 17/1932 72.2 1998 61.9 1928 4.6 0.0 0.0 0.0
September 82.2 51.2 66.7 109 09/1944 36 22/1932 72.5 1984 59.8 1926 6.5 0.0 0.0 0.0
October 76.6 47.6 62.1 106 01/1980 28 29/1946 66.3 1959 56.4 1924 2.4 0.0 0.2 0.0
November 66.3 42.2 54.2 89 07/1921 25 27/1928 59.7 1995 44.1 1918 0.0 0.0 1.7 0.0
December 57.9 38.5 48.3 81 26/1967 14 22/1990 53.4 1958 37.7 1918 0.0 0.0 7.1 0.0
Annual 71.4 45.6 58.5 113 19610614 14 19901222 61.2 1997 55.7 1925 25.2 0.0 23.4 0.0
Winter 59.1 39.0 49.1 85 19480217 14 19901222 52.7 1970 43.2 1949 0.0 0.0 18.6 0.0
Spring 70.1 44.1 57.1 103 19500529 23 19490308 62.4 2004 53.4 1917 2.3 0.0 2.9 0.0
Summer 81.3 52.3 66.8 113 19610614 34 19290617 70.0 2003 61.5 1924 14.0 0.0 0.0 0.0
Fall 75.0 47.0 61.0 109 19440909 25 19281127 64.4 1997 55.9 1918 8.9 0.0 1.9 0.0
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