JOHN MARTIN DAM, COLORADO

Period of Record General Climate Summary - Temperature

Station:(054388) JOHN MARTIN DAM
From Year=1941 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 44.9 15.1 30.0 79 26/1982 -27 30/1949 40.2 1953 15.1 2007 0.0 6.0 30.3 3.1
February 50.6 20.2 35.3 82 11/1962 -22 05/1996 44.9 1954 21.7 1960 0.0 3.1 26.5 0.8
March 58.7 27.1 42.9 90 28/1963 -22 11/1948 51.9 2012 31.9 1969 0.0 1.6 22.9 0.3
April 69.3 37.6 53.6 95 26/1981 12 13/1997 61.9 1981 45.7 1944 0.5 0.1 7.8 0.0
May 78.4 47.5 63.0 103 30/2003 21 01/1967 68.1 1962 57.4 1943 5.0 0.0 0.8 0.0
June 89.0 57.3 73.2 111 28/2012 37 02/1951 81.1 1952 66.6 1951 16.0 0.0 0.0 0.0
July 94.5 63.0 78.8 110 08/1953 44 08/1983 83.4 2012 73.8 1950 24.0 0.0 0.0 0.0
August 92.0 60.9 76.5 111 04/2008 35 27/1992 81.1 2011 71.9 2004 21.3 0.0 0.0 0.0
September 84.0 51.3 67.7 104 05/1995 25 21/1983 72.9 1954 60.5 1993 10.2 0.0 0.2 0.0
October 72.4 38.3 55.4 98 08/1979 4 30/1993 63.6 1963 46.3 2009 1.4 0.1 7.4 0.0
November 57.1 25.4 41.3 87 02/1987 -12 29/1976 49.8 1949 30.1 1946 0.0 1.1 24.4 0.3
December 46.2 17.3 31.8 78 03/1941 -22 29/1983 41.1 1957 22.0 1972 0.0 4.7 30.2 1.6
Annual 69.8 38.4 54.1 111 20080804 -27 19490130 56.6 1954 51.8 1942 78.3 16.7 150.6 6.1
Winter 47.2 17.5 32.4 82 19620211 -27 19490130 37.6 1976 23.4 2007 0.0 13.8 87.1 5.5
Spring 68.8 37.4 53.1 103 20030530 -22 19480311 58.2 2012 48.6 1944 5.5 1.7 31.5 0.3
Summer 91.8 60.4 76.1 111 20080804 35 19920827 80.2 1980 72.7 2004 61.2 0.0 0.0 0.0
Fall 71.2 38.4 54.8 104 19950905 -12 19761129 60.2 1963 48.3 1993 11.6 1.2 32.0 0.3
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