BOULDER, COLORADO

Period of Record General Climate Summary - Temperature

Station:(050848) BOULDER
From Year=1948 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 45.5 20.6 33.0 73 20/2005 -22 12/1963 43.5 1953 21.9 1949 0.0 5.1 26.6 2.2
February 48.2 23.5 35.9 79 08/1954 -24 05/1989 47.6 1954 24.1 1989 0.0 2.9 23.0 0.9
March 53.9 28.0 41.0 80 20/1997 -6 02/2002 48.7 1986 30.8 1965 0.0 1.7 21.4 0.3
April 62.7 35.7 49.2 88 21/1989 -3 02/1975 56.7 1981 42.8 1997 0.0 0.2 10.7 0.0
May 71.8 44.5 58.2 95 28/2000 22 02/1954 64.3 1958 50.9 1995 0.4 0.0 1.2 0.0
June 81.8 52.8 67.3 104 23/1954 30 02/1951 74.9 1956 62.2 1967 6.4 0.0 0.0 0.0
July 87.6 58.6 73.1 104 11/1954 42 05/1972 78.3 1954 68.3 1992 13.4 0.0 0.0 0.0
August 85.6 57.3 71.4 101 08/1969 40 28/2004 75.0 1948 66.3 1992 8.9 0.0 0.0 0.0
September 77.7 48.9 63.3 100 02/1983 15 30/1985 69.8 1948 55.9 1965 2.4 0.0 0.8 0.0
October 67.1 39.1 53.1 90 01/1953 5 31/1991 61.9 1950 41.8 1969 0.0 0.2 6.7 0.0
November 53.4 28.5 41.0 79 04/1952 -8 25/1993 53.1 1949 31.1 1985 0.0 1.9 19.4 0.2
December 47.1 23.0 35.0 76 17/1980 -24 22/1990 44.1 1957 20.7 1983 0.0 3.3 25.7 1.0
Annual 65.2 38.4 51.8 104 19540623 -24 19890205 56.0 1954 49.6 1985 31.6 15.2 135.3 4.7
Winter 46.9 22.3 34.6 79 19540208 -24 19890205 40.9 1954 28.7 1984 0.0 11.3 75.2 4.1
Spring 62.8 36.1 49.4 95 20000528 -6 20020302 52.7 1966 45.1 1983 0.4 1.9 33.3 0.3
Summer 85.0 56.2 70.6 104 19540623 30 19510602 74.9 1954 65.8 1992 28.7 0.0 0.0 0.0
Fall 66.1 38.8 52.5 100 19830902 -8 19931125 57.8 1953 47.1 1985 2.5 2.0 26.8 0.2
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