RALSTON RSVR, COLORADO

Period of Record General Climate Summary - Temperature

Station:(056816) RALSTON RESERVOIR
From Year=1978 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 45.2 23.1 34.2 71 21/2005 -6 06/2004 39.8 2003 25.6 2007 0.0 4.1 25.4 1.1
February 44.9 22.1 33.5 72 02/2003 -17 02/2011 40.1 1999 27.4 2010 0.0 4.4 24.7 1.1
March 53.3 29.2 41.2 78 31/2010 -1 02/2002 49.3 2012 33.7 2002 0.0 2.1 20.1 0.1
April 59.5 34.9 47.2 83 14/2006 3 12/1997 53.1 2012 41.1 1999 0.0 0.6 11.8 0.0
May 68.9 44.4 56.6 94 30/2000 18 07/1978 60.8 2000 50.7 2011 0.5 0.0 2.6 0.0
June 80.0 53.7 66.9 102 26/2012 32 06/1998 73.3 2012 62.3 2003 5.1 0.0 0.1 0.0
July 87.7 61.1 74.4 101 17/2003 47 30/2009 78.2 2003 69.3 2009 13.9 0.0 0.0 0.0
August 83.9 58.4 71.1 99 17/2002 42 02/1978 75.0 2011 67.6 2004 6.9 0.0 0.0 0.0
September 75.5 50.3 62.9 95 01/2011 28 29/1999 67.7 1998 57.1 2006 0.9 0.0 0.4 0.0
October 62.6 39.0 50.8 86 06/1997 13 26/1997 56.7 2003 41.4 2009 0.0 0.8 6.6 0.0
November 52.5 29.5 41.0 78 16/1999 0 23/2003 49.2 1999 32.2 2000 0.0 2.1 18.7 0.1
December 43.5 22.2 32.8 71 02/1998 -14 15/2008 36.9 2002 26.2 2009 0.0 6.0 26.1 1.1
Annual 63.1 39.0 51.1 102 20120626 -17 20110202 52.0 2003 49.8 2008 27.3 20.0 136.5 3.7
Winter 44.5 22.5 33.5 72 20030202 -17 20110202 37.6 2000 28.9 2010 0.0 14.5 76.2 3.4
Spring 60.6 36.2 48.4 94 20000530 -1 20020302 53.8 2012 46.2 2008 0.5 2.6 34.5 0.1
Summer 83.9 57.7 70.8 102 20120626 32 19980606 74.2 2012 67.0 2009 25.9 0.0 0.1 0.0
Fall 63.5 39.6 51.6 95 20110901 0 20031123 53.7 2001 48.2 2000 0.9 2.9 25.8 0.1
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