GANN VALLEY 4 NW, SOUTH DAKOTA

Period of Record General Climate Summary - Precipitation

Station:(393217) GANN VALLEY 4 NW
From Year=1897 To Year=2009
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 0.39 2.32 1939 0.00 1898 1.96 09/1939 3 1 0 0 4.0 17.0 1929
February 0.46 2.20 1991 0.00 1921 1.65 18/1991 3 2 0 0 5.1 20.3 1969
March 1.00 3.89 1942 0.00 1910 2.10 25/1942 4 3 1 0 5.5 19.0 1906
April 1.89 7.37 1935 0.18 1969 2.60 25/1935 6 5 1 0 2.7 30.0 1995
May 2.93 8.93 2007 0.21 1994 4.08 06/2007 8 6 2 1 0.1 4.0 1950
June 3.47 9.88 2008 0.03 1950 5.53 06/2008 9 7 2 1 0.0 1.0 1966
July 2.57 7.96 1963 0.17 2005 3.65 26/1968 7 5 2 1 0.0 0.0 1905
August 2.35 10.73 1944 0.03 2001 3.63 18/1930 6 4 1 1 0.0 0.0 1911
September 1.74 7.14 1996 0.00 1899 3.25 19/1996 5 4 1 0 0.0 1.0 1939
October 1.35 6.51 1998 0.00 1917 2.81 16/1980 4 3 1 0 0.7 7.0 2002
November 0.59 2.87 1922 0.00 1904 1.48 02/1972 3 2 0 0 3.5 21.0 1919
December 0.43 3.86 1996 0.00 1898 0.90 15/1902 3 2 0 0 4.6 25.0 1909
Annual 19.16 33.32 1944 8.99 1976 5.53 20080606 63 42 12 4 26.2 54.9 1985
Winter 1.28 5.46 1997 0.20 1899 1.96 19390109 9 5 0 0 13.6 39.0 1903
Spring 5.82 12.91 1927 1.75 1952 4.08 20070506 19 13 4 1 8.4 38.0 1995
Summer 8.39 21.77 1944 2.42 1976 5.53 20080606 22 16 6 2 0.0 1.0 1966
Fall 3.67 10.71 1996 0.37 1958 3.25 19960919 13 8 2 1 4.2 17.5 1985
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