MILLER, SOUTH DAKOTA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 24.5 29.8 41.8 58.2 70.6 80.2 87.4 85.3 74.6 62.1 42.4 27.7 57.1
Highest Mean Max. Temperature (F) 38.4 42.7 53.8 68.1 78.0 89.4 94.2 92.3 82.5 71.4 50.9 41.6 61.8
Year Highest Occurred 1990 1987 1981 1981 1985 1988 1974 1983 1979 1963 1981 1979 1987
Lowest Mean Max. Temperature (F) 10.1 15.1 29.2 47.3 64.7 73.9 79.9 79.0 60.5 53.4 28.3 10.7 53.5
Year Lowest Occurred 1978 1978 1969 1975 1968 1969 1962 1985 1965 1969 1985 1983 1972
Mean Temperature (F) 13.5 18.8 30.5 45.3 57.9 67.8 74.3 71.4 60.8 48.6 31.8 17.2 44.8
Highest Mean Temperature (F) 28.9 31.6 38.0 52.3 65.2 75.5 79.4 77.6 66.1 57.7 38.6 27.9 49.5
Year Highest Occurred 1990 1987 1968 1987 1977 1988 1974 1983 1978 1963 1981 1979 1987
Lowest Mean Temperature (F) 0.5 4.4 19.0 39.2 52.5 61.7 69.2 66.3 50.3 42.5 18.4 1.8 41.9
Year Lowest Occurred 1978 1979 1965 1975 1968 1969 1962 1985 1965 1969 1985 1983 1979
Mean Min. Temperature (F) 2.6 7.7 19.1 32.3 45.2 55.4 61.0 57.6 46.9 35.1 21.0 6.7 32.6
Highest Mean Min. Temperature (F) 19.4 20.5 27.9 38.8 53.2 61.6 65.1 62.8 51.6 43.9 27.1 17.4 37.2
Year Highest Occurred 1990 1987 1973 1977 1977 1988 1966 1983 1963 1963 1980 1965 1987
Lowest Mean Min. Temperature (F) -10.9 -7.6 7.8 27.0 39.7 49.5 56.2 53.6 40.1 31.0 8.4 -7.1 29.0
Year Lowest Occurred 1982 1979 1965 1979 1979 1969 1971 1985 1965 1987 1985 1983 1979
Mean Precipitation (in.) 0.37 0.54 1.23 2.05 2.74 2.91 2.38 1.96 1.72 1.27 0.62 0.45 18.24
Highest Precipitation (in.) 1.46 1.76 5.45 7.15 7.01 8.01 4.40 4.30 5.02 5.10 1.96 1.60 27.33
Year Highest Occurred 1975 1962 1977 1968 1962 1967 1985 1966 1985 1982 1983 1981 1968
Lowest Precipitation (in.) 0.00 0.00 0.02 0.16 0.39 0.65 0.00 0.18 0.00 0.02 0.00 0.00 7.60
Year Lowest Occurred 1981 1983 1971 1969 1976 1989 1976 1976 1979 1964 1990 1986 1976
Heating Degree Days (F) 1597. 1294. 1070. 591. 250. 49. 10. 23. 172. 508. 996. 1482. 8042.
Cooling Degree Days (F) 0. 0. 0. 0. 30. 133. 298. 222. 46. 0. 0. 0. 729.

Western Regional Climate Center, wrcc@dri.edu