CASTLE ROCK, COLORADO

Period of Record General Climate Summary - Temperature

Station:(051401) CASTLE ROCK
From Year=1893 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 45.1 13.3 29.2 73 03/1997 -37 06/1913 40.1 1986 19.2 1979 0.0 4.5 29.9 4.7
February 46.0 15.1 30.6 75 26/1986 -32 11/1899 38.4 1999 16.6 1899 0.0 3.8 27.2 2.9
March 52.4 21.7 37.0 80 30/1893 -20 19/1906 46.2 2012 25.9 1924 0.0 2.2 27.3 1.4
April 59.8 29.6 44.7 91 27/1981 -8 08/1909 53.2 1981 38.5 1983 0.0 0.4 19.3 0.2
May 69.1 38.5 53.8 94 30/2003 7 03/1907 58.2 1963 44.0 1907 0.1 0.0 6.2 0.0
June 79.3 46.8 63.1 100 27/2012 25 01/1924 70.3 2012 57.1 1926 3.2 0.0 0.4 0.0
July 85.1 52.5 68.9 100 02/2012 6 25/1906 74.0 1924 59.1 1926 8.9 0.0 0.0 0.0
August 83.3 50.6 67.0 99 29/1904 34 26/1910 72.3 2011 61.4 1915 4.4 0.0 0.0 0.0
September 76.7 42.2 59.4 96 08/1902 13 27/1908 66.5 1924 51.3 1912 1.0 0.0 3.0 0.0
October 65.7 31.3 48.5 91 05/1997 -17 29/1917 55.3 1963 39.4 1969 0.0 0.3 17.6 0.1
November 53.9 21.5 37.6 80 01/1897 -18 28/1976 46.1 1999 28.0 1972 0.0 1.7 26.3 0.9
December 44.9 13.0 29.0 72 13/1921 -29 31/1900 35.7 1921 16.5 1909 0.0 4.9 29.9 4.6
Annual 63.4 31.3 47.4 100 20120627 -37 19130106 49.8 1981 43.9 1912 17.6 17.9 187.0 14.8
Winter 45.3 13.8 29.6 75 19860226 -37 19130106 35.0 1986 20.5 1899 0.0 13.3 87.0 12.2
Spring 60.4 29.9 45.2 94 20030530 -20 19060319 51.6 2012 38.3 1924 0.1 2.6 52.8 1.6
Summer 82.6 50.0 66.3 100 20120627 6 19060725 70.2 2011 59.9 1926 16.4 0.0 0.4 0.0
Fall 65.4 31.7 48.5 96 19020908 -18 19761128 52.9 1963 43.6 1907 1.0 2.0 46.9 1.0
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