DUCHESNE, UTAH

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 30.6 37.7 49.5 61.6 71.9 81.7 88.0 85.5 76.6 63.6 46.4 33.2 60.5
Highest Mean Max. Temperature (F) 43.2 49.6 60.9 69.2 78.1 88.5 91.4 90.7 84.1 71.8 52.0 44.3 64.9
Year Highest Occurred 1981 1963 1986 1981 1969 1977 1964 1970 1979 1988 1962 1980 1981
Lowest Mean Max. Temperature (F) 18.1 25.0 39.8 54.0 66.3 72.4 84.4 78.8 68.2 54.0 36.9 20.5 56.6
Year Lowest Occurred 1973 1973 1962 1968 1965 1967 1973 1968 1965 1969 1971 1978 1973
Mean Temperature (F) 18.1 25.0 36.5 46.6 55.6 64.7 71.2 68.9 59.6 48.1 33.7 21.1 45.8
Highest Mean Temperature (F) 29.5 35.6 46.0 52.5 60.9 70.3 73.5 73.8 64.3 54.5 39.2 31.6 49.7
Year Highest Occurred 1981 1963 1986 1990 1969 1977 1964 1970 1990 1988 1965 1980 1981
Lowest Mean Temperature (F) 6.2 12.7 28.6 40.6 51.1 59.0 68.5 63.6 52.3 41.4 25.9 10.6 42.6
Year Lowest Occurred 1973 1973 1962 1975 1975 1967 1987 1968 1965 1969 1964 1978 1973
Mean Min. Temperature (F) 5.5 12.2 23.3 31.5 39.1 47.7 54.3 52.2 42.6 32.5 21.0 8.9 30.9
Highest Mean Min. Temperature (F) 15.8 22.3 31.0 37.7 43.7 52.0 55.9 56.8 49.5 38.4 27.2 18.9 34.4
Year Highest Occurred 1981 1986 1986 1990 1969 1977 1975 1970 1990 1963 1965 1980 1981
Lowest Mean Min. Temperature (F) -5.8 0.0 16.1 26.9 35.1 44.6 52.4 48.4 36.3 28.4 13.3 -0.4 27.9
Year Lowest Occurred 1973 1989 1984 1975 1986 1975 1987 1975 1965 1976 1964 1966 1984
Mean Precipitation (in.) 0.49 0.50 0.69 0.77 0.94 0.79 0.94 0.95 1.00 0.86 0.52 0.64 9.09
Highest Precipitation (in.) 1.82 1.46 1.61 3.06 3.24 3.14 2.54 1.93 3.89 3.49 1.78 2.57 14.46
Year Highest Occurred 1980 1990 1979 1986 1987 1965 1987 1983 1982 1981 1983 1983 1983
Lowest Precipitation (in.) 0.00 0.01 0.02 0.10 0.07 0.00 0.18 0.15 0.00 0.04 0.01 0.00 3.56
Year Lowest Occurred 1966 1972 1971 1966 1974 1980 1972 1974 1979 1964 1976 1976 1974
Heating Degree Days (F) 1454. 1120. 884. 552. 295. 96. 0. 20. 183. 524. 939. 1361. 7428.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 87. 192. 141. 21. 0. 0. 0. 441.

Western Regional Climate Center, wrcc@dri.edu