WESSINGTON SPRINGS, SOUTH DAKOTA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 26.0 31.4 43.1 59.3 71.2 80.9 87.5 85.8 75.0 62.0 43.3 29.4 57.9
Highest Mean Max. Temperature (F) 41.6 45.1 55.9 67.6 77.8 90.7 93.4 92.0 83.5 70.5 51.0 41.7 62.3
Year Highest Occurred 1990 1987 1968 1987 1987 1988 1966 1976 1990 1963 1990 1979 1987
Lowest Mean Max. Temperature (F) 11.3 16.4 30.9 49.1 66.0 74.4 80.4 80.4 62.4 52.8 27.2 10.5 54.3
Year Lowest Occurred 1978 1978 1969 1975 1961 1982 1962 1985 1965 1969 1985 1983 1972
Mean Temperature (F) 16.4 21.9 33.3 47.6 59.3 69.2 75.3 73.4 63.0 50.9 34.3 20.5 47.1
Highest Mean Temperature (F) 31.8 36.1 42.3 54.8 64.9 77.0 79.7 79.3 69.8 59.6 41.1 30.5 51.8
Year Highest Occurred 1990 1987 1968 1987 1987 1988 1975 1983 1990 1963 1981 1986 1987
Lowest Mean Temperature (F) 3.8 8.3 21.9 41.0 54.5 63.2 70.2 68.3 52.6 43.7 20.5 4.2 44.4
Year Lowest Occurred 1978 1979 1965 1975 1968 1969 1962 1985 1965 1969 1985 1983 1972
Mean Min. Temperature (F) 6.7 12.4 23.4 35.8 47.4 57.4 63.0 60.9 50.9 39.7 25.2 11.6 36.2
Highest Mean Min. Temperature (F) 21.9 27.0 31.2 41.9 52.8 63.2 66.4 66.6 56.7 48.7 31.8 21.1 41.1
Year Highest Occurred 1990 1987 1973 1987 1977 1988 1975 1983 1978 1963 1987 1987 1987
Lowest Mean Min. Temperature (F) -5.6 -1.3 11.2 30.5 42.0 51.6 59.2 56.2 42.8 34.6 13.8 -2.2 34.2
Year Lowest Occurred 1982 1979 1965 1961 1966 1969 1971 1985 1965 1969 1985 1983 1979
Mean Precipitation (in.) 0.33 0.56 1.80 2.47 3.63 3.43 2.81 2.28 1.91 1.63 0.75 0.46 22.06
Highest Precipitation (in.) 0.97 2.16 6.61 6.59 8.73 8.23 5.81 6.01 5.95 5.41 2.65 1.56 33.04
Year Highest Occurred 1979 1969 1977 1968 1962 1967 1972 1966 1986 1982 1972 1987 1962
Lowest Precipitation (in.) 0.01 0.01 0.09 0.32 0.96 0.53 0.32 0.33 0.10 0.00 0.00 0.00 12.00
Year Lowest Occurred 1974 1983 1968 1981 1975 1988 1975 1972 1979 1964 1990 1986 1976
Heating Degree Days (F) 1507. 1207. 983. 522. 207. 37. 5. 12. 143. 437. 921. 1380. 7361.
Cooling Degree Days (F) 0. 0. 0. 0. 30. 163. 324. 273. 83. 0. 0. 0. 873.

Western Regional Climate Center, wrcc@dri.edu