WATERTOWN RGNL AP, SOUTH DAKOTA

Period of Record General Climate Summary - Temperature

Station:(398932) WATERTOWN FAA AP
From Year=1893 To Year=2012
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 21.0 0.6 10.8 65 24/1981 -40 13/1916 25.7 1931 -3.4 1912 0.0 23.7 30.9 15.1
February 25.5 4.8 15.2 66 23/1958 -38 11/1899 31.2 1987 -6.3 1936 0.0 18.8 27.9 11.2
March 38.3 18.2 28.2 82 23/1910 -27 14/1897 45.0 1910 14.3 1960 0.0 10.2 28.2 3.3
April 55.3 31.8 43.5 95 21/1980 -10 05/1926 52.4 1987 33.5 1950 0.1 1.0 16.5 0.0
May 67.8 43.4 55.6 106 30/1934 16 03/1907 68.5 1934 44.9 1907 0.6 0.0 3.8 0.0
June 77.1 53.7 65.4 107 28/1931 25 07/1897 76.8 1933 58.6 1969 2.6 0.0 0.1 0.0
July 83.4 58.6 71.0 110 21/1934 32 12/1907 81.3 1936 62.9 1992 6.5 0.0 0.0 0.0
August 81.6 56.3 68.9 105 04/1934 18 30/1924 76.2 1983 60.1 1924 5.3 0.0 0.1 0.0
September 71.7 46.6 59.1 104 10/1931 9 29/1899 67.4 1931 48.4 1965 1.5 0.0 2.2 0.0
October 58.6 34.8 46.7 91 01/1951 1 28/1919 56.1 1963 35.0 1925 0.0 0.5 12.6 0.0
November 40.2 20.4 30.3 77 08/1931 -20 30/1964 40.4 2001 18.5 1911 0.0 8.7 26.9 1.6
December 26.1 7.3 16.7 69 06/1939 -33 14/1917 28.3 1939 -0.5 1983 0.0 20.5 30.8 9.9
Annual 53.9 31.4 42.6 110 19340721 -40 19160113 48.7 1931 38.3 1917 16.5 83.5 180.2 41.2
Winter 24.2 4.2 14.2 69 19391206 -40 19160113 26.7 1931 2.5 1936 0.0 63.1 89.7 36.3
Spring 53.8 31.1 42.5 106 19340530 -27 18970314 50.1 1987 35.9 1950 0.6 11.3 48.5 3.3
Summer 80.7 56.2 68.4 110 19340721 18 19240830 74.6 1988 62.1 1915 14.4 0.0 0.3 0.0
Fall 56.8 33.9 45.4 104 19310910 -20 19641130 51.3 1931 39.9 1911 1.5 9.2 41.7 1.6
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