GANN VALLEY 4 NW, SOUTH DAKOTA

Period of Record General Climate Summary - Temperature

Station:(393217) GANN VALLEY 4 NW
From Year=1897 To Year=2009
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 26.9 4.3 15.6 65 29/1931 -35 29/1966 32.5 2006 1.2 1978 0.0 18.8 30.7 12.0
February 32.1 9.1 20.6 75 18/1930 -44 09/1994 38.1 1954 -0.9 1936 0.0 13.6 27.7 8.1
March 44.3 20.6 32.5 90 30/1943 -27 04/1960 47.9 1910 17.6 1960 0.0 6.5 27.0 2.4
April 59.9 33.0 46.4 98 30/1926 -1 03/1936 56.9 1925 36.9 1995 0.2 0.4 14.2 0.0
May 71.5 44.3 57.9 109 28/1934 11 04/1967 71.8 1934 49.6 1942 1.4 0.0 3.0 0.0
June 81.1 54.8 68.0 111 28/1931 29 02/1964 81.2 1933 59.7 1945 6.0 0.0 0.0 0.0
July 89.1 60.6 74.8 120 05/1936 37 30/1971 87.4 1936 63.5 1992 14.8 0.0 0.0 0.0
August 87.7 58.6 73.1 116 24/1936 32 20/1950 81.5 1938 64.2 1992 13.0 0.0 0.0 0.0
September 77.8 48.0 62.9 112 09/1931 16 22/1995 71.8 1931 52.0 1965 5.0 0.0 1.6 0.0
October 64.4 35.5 50.0 99 05/1963 -7 29/1925 59.5 1924 39.2 1925 0.5 0.2 11.3 0.0
November 45.2 21.5 33.3 84 09/1999 -22 28/1897 43.1 1939 19.9 1985 0.0 5.4 26.1 1.3
December 31.4 9.5 20.5 73 02/1998 -36 23/1990 34.3 1939 2.2 1983 0.0 15.2 30.5 7.9
Annual 59.3 33.3 46.3 120 19360705 -44 19940209 52.6 1931 40.7 1996 41.0 60.1 172.2 31.7
Winter 30.1 7.6 18.9 75 19300218 -44 19940209 31.2 1931 8.7 1978 0.0 47.6 88.9 28.0
Spring 58.6 32.6 45.6 109 19340528 -27 19600304 52.5 1934 38.4 1950 1.7 6.9 44.2 2.4
Summer 85.9 58.0 72.0 120 19360705 29 19640602 80.6 1936 63.6 1992 33.8 0.0 0.1 0.0
Fall 62.5 35.0 48.7 112 19310909 -22 18971128 54.7 1931 41.7 1993 5.5 5.6 39.0 1.3
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