GRAND VALLEY, COLORADO

Period of Record General Climate Summary - Temperature

Station:(053508) GRAND VALLEY
From Year=1904 To Year=1981
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 37.4 11.9 24.5 58 31/1971 -22 08/1979 34.4 1981 15.3 1979 0.0 8.6 30.4 6.1
February 45.6 18.4 32.1 68 28/1972 -22 13/1905 41.7 1907 21.9 1974 0.0 1.1 27.2 1.2
March 55.8 26.3 41.1 79 19/1907 -5 19/1906 48.3 1910 36.6 1969 0.0 0.2 25.6 0.0
April 65.5 32.6 49.0 88 30/1981 12 02/1975 54.6 1981 43.8 1970 0.0 0.0 15.6 0.0
May 74.9 40.0 57.5 95 29/1910 19 01/1909 62.0 1969 53.1 1907 0.5 0.0 4.1 0.0
June 86.1 47.7 66.9 103 28/1974 31 08/1906 73.6 1977 60.9 1907 10.9 0.0 0.2 0.0
July 92.6 55.0 73.8 105 10/1976 39 08/1911 78.8 1966 69.4 1905 23.1 0.0 0.0 0.0
August 90.5 52.8 71.7 107 05/1979 36 15/1978 75.4 1970 67.8 1968 18.6 0.0 0.0 0.0
September 81.3 43.7 62.5 100 04/1978 22 21/1912 66.8 1966 55.2 1912 4.0 0.0 2.5 0.0
October 68.2 32.4 50.2 89 10/1910 12 25/1975 54.8 1965 44.0 1969 0.0 0.0 16.6 0.0
November 52.8 22.7 37.8 78 01/1910 -6 28/1976 43.9 1910 32.2 1979 0.0 0.5 26.7 0.2
December 39.0 12.6 25.8 64 03/1980 -20 08/1978 37.4 1980 16.1 1978 0.0 6.9 30.3 5.0
Annual 65.8 33.0 49.4 107 19790805 -22 19050213 51.9 1980 47.0 1912 57.1 17.3 179.0 12.5
Winter 40.7 14.3 27.5 68 19720228 -22 19050213 36.1 1907 18.6 1979 0.0 16.7 87.8 12.3
Spring 65.4 33.0 49.2 95 19100529 -5 19060319 52.2 1981 46.6 1975 0.5 0.2 45.3 0.0
Summer 89.8 51.9 70.8 107 19790805 31 19060608 74.2 1977 67.0 1907 52.6 0.0 0.2 0.0
Fall 67.5 32.9 50.2 100 19780904 -6 19761128 53.5 1966 47.2 1912 4.0 0.5 45.8 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