CONCORD WASTEWATER PLAN, CALIFORNIA

Period of Record General Climate Summary - Temperature

Station:(041967) CONCORD WASTEWATER PLAN
From Year=1991 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 57.2 41.5 49.4 74 12/2009 26 13/2007 52.7 1995 46.4 1992 0.0 0.0 1.6 0.0
February 61.8 44.0 52.9 78 06/2011 30 26/2011 56.2 1992 50.4 2011 0.0 0.0 0.1 0.0
March 67.1 46.4 56.8 86 15/2004 34 08/2002 62.2 2004 51.9 2006 0.0 0.0 0.0 0.0
April 71.1 48.6 59.9 96 27/2004 38 01/1999 63.5 1992 55.9 2003 0.5 0.0 0.0 0.0
May 77.5 53.1 65.3 101 31/2001 41 13/1999 70.9 2001 59.4 1998 2.3 0.0 0.0 0.0
June 83.5 56.6 70.0 108 15/2000 47 19/2010 72.8 2001 66.3 1998 7.7 0.0 0.0 0.0
July 87.6 58.0 72.8 110 23/2006 51 18/1999 76.9 2006 70.2 2000 11.3 0.0 0.0 0.0
August 87.8 58.4 73.1 106 25/2010 51 27/2009 75.3 1996 70.3 2010 11.9 0.0 0.0 0.0
September 85.2 57.2 71.2 102 19/2000 47 30/2007 73.8 1997 68.1 2005 9.1 0.0 0.0 0.0
October 77.2 52.9 65.0 99 04/1991 40 31/1991 68.1 1991 62.2 2007 1.9 0.0 0.0 0.0
November 65.7 45.8 55.7 83 02/1997 31 11/2000 60.3 1995 50.0 1994 0.0 0.0 0.2 0.0
December 57.7 41.3 49.5 74 19/1999 24 23/1998 53.8 1995 46.2 1994 0.0 0.0 2.1 0.0
Annual 73.3 50.3 61.8 110 20060723 24 19981223 63.2 1996 60.7 1994 44.7 0.0 4.0 0.0
Winter 58.9 42.3 50.6 78 20110206 24 19981223 53.2 1996 48.4 1999 0.0 0.0 3.8 0.0
Spring 71.9 49.4 60.6 101 20010531 34 20020308 63.9 1997 58.0 1999 2.8 0.0 0.0 0.0
Summer 86.3 57.7 72.0 110 20060723 47 20100619 74.1 1996 70.2 2010 30.9 0.0 0.0 0.0
Fall 76.0 51.9 64.0 102 20000919 31 20001111 66.5 1995 61.6 1994 11.0 0.0 0.2 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