WATERTOWN RGNL AP, SOUTH DAKOTA

Period of Record General Climate Summary - Precipitation

Station:(398932) WATERTOWN FAA AP
From Year=1893 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 0.55 2.51 1975 0.00 1898 1.27 09/1939 6 2 0 0 6.0 27.0 1916
February 0.59 2.28 1922 0.00 1933 1.54 23/1977 5 2 0 0 6.2 27.0 2007
March 1.05 3.94 1977 0.00 1910 1.95 29/1924 6 3 0 0 6.1 22.0 1975
April 2.09 6.48 2001 0.17 1934 3.25 14/1912 8 5 1 0 2.5 29.5 2008
May 2.86 8.75 1962 0.41 1992 7.14 27/1931 10 6 2 1 0.2 6.0 1907
June 3.69 11.37 1991 0.33 1950 4.35 15/1977 10 7 3 1 0.0 0.0 1906
July 2.88 10.36 1963 0.26 2007 3.45 20/1897 8 6 2 1 0.0 0.0 1905
August 2.78 7.67 1900 0.39 1907 4.32 20/2002 8 5 2 1 0.0 0.0 1906
September 2.05 7.22 1921 0.12 1953 2.93 24/1934 7 4 1 0 0.0 1.2 1942
October 1.54 8.10 1971 0.00 1952 3.72 16/1971 5 3 1 0 1.2 35.0 1905
November 0.78 3.11 1983 0.00 1894 1.50 08/1970 5 2 0 0 4.0 23.3 1947
December 0.51 2.52 2010 0.00 1894 1.33 03/1953 5 2 0 0 5.1 29.0 2010
Annual 21.37 40.04 1977 10.82 1976 7.14 19310527 83 45 13 4 31.3 65.1 2008
Winter 1.65 5.61 2011 0.18 1990 1.54 19770223 15 5 1 0 17.4 70.9 2011
Spring 6.00 12.60 1962 1.26 1928 7.14 19310527 24 13 4 1 8.8 36.6 2008
Summer 9.35 17.11 1953 2.79 1976 4.35 19770615 26 17 6 2 0.0 0.0 1906
Fall 4.36 12.03 1977 0.93 1935 3.72 19711016 17 9 3 1 5.2 23.3 1947
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