CONCORD WWTP, CALIFORNIA

Period of Record General Climate Summary - Precipitation

Station:(041967) CONCORD WASTEWATER PLAN
From Year=1991 To Year=2012
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.
>=
0.10 in.
>=
0.50 in.
>=
1.00 in.
Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd
# Days # Days # Days # Days in. in. -
January 3.73 10.16 1995 0.43 2007 3.24 04/2008 11 7 3 1 0.0 0.0 1992
February 3.89 11.13 1998 0.11 1997 2.19 03/1998 11 8 3 1 0.0 0.0 1992
March 2.33 8.10 1995 0.15 2007 1.42 09/1995 8 6 2 0 0.0 0.0 1992
April 1.17 3.81 2006 0.00 2008 1.10 13/2003 6 4 1 0 0.0 0.0 1992
May 0.68 2.70 1998 0.00 1992 1.16 16/1996 4 2 0 0 0.0 0.0 1992
June 0.18 1.75 2011 0.00 1996 1.02 16/1995 1 0 0 0 0.0 0.0 1992
July 0.00 0.00 1992 0.00 1992 0.00 01/1992 0 0 0 0 0.0 0.0 1992
August 0.03 0.40 1997 0.00 1992 0.40 20/1997 0 0 0 0 0.0 0.0 1992
September 0.03 0.11 2000 0.00 1992 0.10 25/2001 1 0 0 0 0.0 0.0 1991
October 0.77 2.90 2009 0.00 1995 2.00 13/2009 3 2 0 0 0.0 0.0 1991
November 1.88 5.49 1994 0.01 1995 2.48 06/1994 6 4 1 0 0.0 0.0 1991
December 3.69 11.79 2005 0.07 2011 3.95 31/2005 10 7 3 1 0.0 0.0 1991
Annual 18.38 26.62 1995 10.57 2007 3.95 20051231 59 40 13 3 0.0 0.0 1992
Winter 11.32 20.14 1998 4.06 2012 3.95 20051231 31 23 8 2 0.0 0.0 1992
Spring 4.17 10.64 2006 0.15 2008 1.42 19950309 17 11 3 1 0.0 0.0 1992
Summer 0.21 1.75 2011 0.00 1996 1.02 19950616 1 1 0 0 0.0 0.0 1992
Fall 2.68 6.02 1997 0.01 1995 2.48 19941106 9 6 2 0 0.0 0.0 1991
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