WENTWORTH 2 WNW, SOUTH DAKOTA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 24.1 29.8 42.2 59.4 71.6 80.4 85.5 83.2 73.6 61.4 42.7 27.7 56.8
Highest Mean Max. Temperature (F) 39.5 43.8 55.5 69.5 78.7 88.1 91.6 90.3 81.2 71.2 49.9 37.9 60.6
Year Highest Occurred 1990 1987 1968 1987 1977 1988 1976 1976 1978 1963 1980 1979 1987
Lowest Mean Max. Temperature (F) 11.3 18.5 29.6 47.2 66.3 74.1 79.7 77.7 61.9 53.3 29.4 9.7 53.9
Year Lowest Occurred 1979 1979 1965 1975 1961 1969 1962 1985 1965 1969 1985 1983 1979
Mean Temperature (F) 13.6 19.4 31.9 46.9 58.8 68.1 73.2 70.7 61.0 49.3 32.9 18.2 45.3
Highest Mean Temperature (F) 28.5 33.3 40.7 54.3 66.0 74.9 76.9 77.7 67.6 58.8 38.5 27.8 49.8
Year Highest Occurred 1990 1987 1968 1987 1977 1988 1974 1983 1978 1963 1987 1965 1987
Lowest Mean Temperature (F) 1.1 7.0 20.2 39.9 53.3 61.5 68.9 66.8 52.0 43.9 21.1 1.2 42.6
Year Lowest Occurred 1979 1979 1969 1975 1968 1969 1962 1985 1965 1969 1985 1983 1979
Mean Min. Temperature (F) 3.0 9.0 21.6 34.3 46.0 55.7 60.8 58.2 48.4 37.1 23.0 8.6 33.8
Highest Mean Min. Temperature (F) 17.5 22.8 31.3 39.6 53.3 61.7 65.7 65.7 53.9 46.4 29.8 19.1 39.0
Year Highest Occurred 1990 1987 1973 1977 1977 1988 1983 1983 1978 1963 1987 1965 1987
Lowest Mean Min. Temperature (F) -9.2 -4.5 8.9 28.1 39.4 48.9 55.8 52.9 42.1 30.7 12.8 -7.3 31.2
Year Lowest Occurred 1979 1979 1969 1961 1968 1969 1971 1967 1965 1976 1985 1983 1979
Mean Precipitation (in.) 0.47 0.66 1.62 2.29 2.90 3.80 3.06 2.93 2.51 1.73 1.03 0.64 23.64
Highest Precipitation (in.) 1.55 2.80 4.16 6.08 9.30 10.12 8.58 6.97 6.51 5.28 4.58 2.14 34.75
Year Highest Occurred 1975 1969 1977 1986 1972 1984 1963 1975 1986 1984 1983 1972 1986
Lowest Precipitation (in.) 0.00 0.00 0.16 0.30 0.36 0.66 1.07 0.67 0.20 0.00 0.00 0.00 11.75
Year Lowest Occurred 1990 1970 1967 1987 1981 1978 1965 1976 1980 1988 1984 1986 1976
Heating Degree Days (F) 1593. 1277. 1026. 543. 224. 41. 7. 22. 162. 487. 963. 1451. 7796.
Cooling Degree Days (F) 0. 0. 0. 0. 32. 134. 261. 198. 42. 0. 0. 0. 667.
Western Regional Climate Center, wrcc@dri.edu