WESTPORT 1 N, SOUTH DAKOTA

Period of Record General Climate Summary - Precipitation

Station:(399136) WESTPORT 1 N
From Year=1980 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 0.38 1.25 1985 0.00 1984 1.10 24/1986 1 1 0 0 1.3 7.0 1989
February 0.45 1.65 1986 0.00 1984 1.65 20/1986 2 1 0 0 3.0 5.0 1987
March 1.20 2.14 1983 0.16 1986 1.75 05/1985 2 2 1 0 2.6 9.2 1989
April 2.34 10.56 1986 0.00 1987 1.75 28/1986 5 4 2 1 0.2 1.0 1988
May 2.22 4.05 1988 0.85 1984 2.27 09/1986 6 5 1 1 0.0 0.0 1982
June 2.45 5.30 1984 0.70 1987 2.27 13/1983 6 4 2 1 0.0 0.0 1982
July 3.28 7.52 1983 1.35 1985 3.10 15/1983 6 5 2 1 0.0 0.0 1982
August 2.47 5.05 1980 0.70 1982 2.65 02/1988 6 4 2 1 0.0 0.0 1980
September 1.68 3.92 1988 0.01 2012 2.48 19/1988 4 3 1 0 0.0 0.0 1980
October 1.56 4.00 1982 0.14 1988 1.40 09/1982 4 3 1 0 0.0 0.0 1980
November 0.78 2.81 1985 0.00 1980 1.24 25/1985 2 1 1 0 0.7 3.5 1987
December 0.43 1.62 1988 0.00 1986 1.47 25/1988 1 1 0 0 3.0 15.0 1988
Annual 19.27 28.28 1986 18.12 1984 3.10 19830715 45 35 14 5 10.8 ****** 1900
Winter 1.27 3.10 1986 0.16 1981 1.65 19860220 4 3 1 0 7.3 25.1 1989
Spring 5.77 13.86 1986 3.37 1987 2.27 19860509 13 11 4 2 2.8 9.2 1989
Summer 8.20 15.91 1983 5.44 1988 3.10 19830715 17 13 6 2 0.0 0.0 1982
Fall 4.02 7.38 1985 2.12 1980 2.48 19880919 11 8 3 1 0.7 0.0 1980
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