WESTPORT, SOUTH DAKOTA

Period of Record General Climate Summary - Precipitation

Station:(399138) WESTPORT 2 SE
From Year=1990 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 0.22 0.60 1992 0.00 1993 0.55 08/1992 3 1 0 0 7.7 19.8 1996
February 0.45 0.83 1991 0.00 1996 0.78 18/1991 3 2 0 0 8.4 14.0 2010
March 0.89 1.86 2009 0.03 2005 1.00 21/2008 4 3 0 0 5.9 28.3 1995
April 1.64 3.55 2012 0.30 1996 1.34 07/2006 5 4 1 0 4.0 15.0 1995
May 3.32 9.03 2007 0.33 1994 4.54 06/2007 8 6 2 1 0.0 0.0 1990
June 3.74 8.21 2005 0.77 1994 3.12 22/2011 9 7 3 1 0.0 0.0 1990
July 3.60 10.29 1993 0.25 1996 3.04 17/1993 8 6 2 1 0.0 0.0 1990
August 2.75 6.68 2009 0.50 1996 3.00 16/2009 7 5 2 1 0.0 0.0 1990
September 2.45 5.87 2010 0.33 2012 2.54 09/2009 6 4 2 1 0.0 0.0 1990
October 1.88 4.78 2009 0.22 2006 1.50 29/1996 5 4 2 1 0.4 2.5 1990
November 0.45 2.88 1993 0.00 1990 0.79 25/1993 2 1 0 0 5.8 36.3 1993
December 0.46 1.27 2005 0.00 1991 0.90 30/2005 3 2 0 0 8.7 19.0 2008
Annual 21.85 30.85 2009 16.18 2006 4.54 20070506 62 46 15 5 40.9 68.0 1993
Winter 1.12 1.77 2006 0.48 2008 0.90 20051230 9 4 0 0 24.9 44.0 2009
Spring 5.86 13.73 2007 1.92 1994 4.54 20070506 17 14 4 1 9.9 43.3 1995
Summer 10.09 19.45 1993 3.75 1996 3.12 20110622 24 18 7 3 0.0 0.0 1990
Fall 4.78 9.40 2009 1.75 1990 2.54 20090909 13 10 4 1 6.2 36.3 1993
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