ST HELENS RFD, OREGON

Period of Record General Climate Summary - Temperature

Station:(357466) ST HELENS RFD
From Year=1976 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 46.4 33.1 39.6 63 31/1995 9 29/1980 44.2 2003 31.5 1979 0.0 0.7 13.8 0.0
February 51.2 34.4 42.7 71 26/1991 4 04/1989 48.3 1991 36.1 1989 0.0 0.2 10.3 0.0
March 57.2 38.1 47.7 82 27/1994 18 24/2003 53.4 1992 41.2 2008 0.0 0.0 5.5 0.0
April 63.1 40.7 51.9 90 26/2004 20 08/2002 56.4 1992 44.4 2011 0.0 0.0 2.3 0.0
May 69.4 45.7 57.4 102 28/1983 21 27/2004 64.3 1992 51.8 2011 0.9 0.0 0.7 0.0
June 75.3 51.0 63.2 104 13/2002 34 20/2005 67.7 1992 57.0 2010 2.1 0.0 0.0 0.0
July 81.5 55.1 68.4 106 23/2004 38 07/2004 73.6 1996 62.9 2011 6.2 0.0 0.0 0.0
August 82.4 55.4 68.8 107 10/1981 30 21/2005 72.1 1997 64.4 1980 6.3 0.0 0.0 0.0
September 76.6 51.5 64.0 106 02/1988 34 06/2005 68.8 1995 60.0 1983 2.3 0.0 0.0 0.0
October 65.1 44.4 54.7 94 01/1987 20 01/2004 59.6 1987 50.9 2011 0.1 0.0 0.8 0.0
November 52.2 38.2 45.1 72 03/2010 10 24/1985 50.0 1995 36.6 1985 0.0 0.3 5.7 0.0
December 45.7 33.9 39.6 62 25/1980 1 21/1990 44.3 1979 33.8 1985 0.0 0.9 11.8 0.0
Annual 63.8 43.5 53.6 107 19810810 1 19901221 55.7 1995 51.8 1985 17.9 2.1 51.0 0.0
Winter 47.8 33.8 40.6 71 19910226 1 19901221 44.1 1995 36.2 1979 0.0 1.8 36.0 0.0
Spring 63.2 41.5 52.3 102 19830528 18 20030324 58.0 1992 46.7 2011 0.9 0.0 8.6 0.0
Summer 79.7 53.8 66.8 107 19810810 30 20050821 70.0 1996 62.8 2010 14.6 0.0 0.0 0.0
Fall 64.6 44.7 54.6 106 19880902 10 19851124 58.2 1987 49.7 1985 2.4 0.3 6.5 0.0
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