KEYSTONE, SOUTH DAKOTA

Period of Record General Climate Summary - Precipitation

Station:(394556) KEYSTONE
From Year=1990 To Year=1997
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 0.43 1.07 1993 0.09 1997 0.70 09/1993 3 2 0 0 5.4 16.6 1993
February 0.74 1.17 1993 0.13 1996 0.66 18/1991 4 3 1 0 5.9 12.9 1993
March 1.30 2.67 1996 0.28 1997 1.35 04/1995 5 3 1 0 9.0 16.2 1996
April 2.97 4.97 1991 1.00 1992 1.32 30/1995 10 7 2 1 14.4 26.5 1997
May 6.39 9.63 1995 2.48 1994 3.41 08/1995 12 9 4 2 1.4 5.5 1991
June 4.21 8.53 1991 1.94 1994 2.43 06/1991 12 9 2 1 0.0 0.0 1991
July 3.07 4.48 1997 0.96 1994 1.35 17/1993 12 7 2 0 0.0 0.0 1991
August 2.24 4.71 1996 1.08 1995 1.90 29/1996 7 5 2 0 0.0 0.0 1991
September 1.42 2.72 1997 0.73 1992 1.30 05/1997 6 4 1 0 0.3 2.5 1995
October 2.53 5.78 1996 0.31 1992 2.13 16/1994 6 4 1 1 5.8 14.5 1995
November 0.84 1.54 1992 0.36 1994 0.60 24/1992 3 2 1 0 5.5 12.0 1991
December 0.53 1.06 1992 0.00 1991 0.46 13/1992 3 2 0 0 8.7 25.5 1996
Annual 26.67 33.49 1996 18.36 1992 3.41 19950508 85 55 16 5 56.4 82.5 1996
Winter 1.70 3.30 1993 0.61 1992 0.70 19930109 10 7 1 0 20.1 48.0 1993
Spring 10.66 14.57 1995 4.93 1994 3.41 19950508 28 18 7 3 24.8 30.2 1997
Summer 9.52 12.83 1991 6.00 1994 2.43 19910606 32 20 6 1 0.0 0.0 1991
Fall 4.80 8.66 1996 2.58 1992 2.13 19941016 16 10 3 1 11.5 18.5 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