ALTON, UTAH

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 40.8 44.0 48.4 57.9 67.9 78.1 83.7 81.0 73.8 63.9 50.1 42.0 61.0
Highest Mean Max. Temperature (F) 49.7 51.1 60.7 66.8 76.5 84.0 87.8 85.8 80.1 71.9 56.2 52.4 63.2
Year Highest Occurred 1981 1963 1972 1989 1984 1974 1972 1962 1979 1964 1962 1980 1981
Lowest Mean Max. Temperature (F) 32.5 37.6 40.5 49.3 61.7 70.9 79.5 74.0 68.4 54.5 42.1 34.4 58.7
Year Lowest Occurred 1979 1966 1969 1975 1977 1967 1986 1968 1986 1972 1972 1990 1982
Mean Temperature (F) 27.8 30.8 34.8 42.5 51.0 59.9 66.5 64.5 57.3 48.2 36.6 29.0 45.7
Highest Mean Temperature (F) 35.9 37.4 43.5 49.2 57.1 64.5 69.9 67.1 62.0 54.0 41.2 38.2 47.9
Year Highest Occurred 1986 1963 1972 1989 1984 1974 1961 1969 1979 1988 1962 1980 1981
Lowest Mean Temperature (F) 20.9 23.7 28.1 35.4 46.8 54.2 63.5 60.1 52.4 42.9 31.4 20.7 44.1
Year Lowest Occurred 1979 1966 1962 1975 1977 1965 1987 1968 1965 1969 1972 1990 1975
Mean Min. Temperature (F) 14.7 17.5 21.2 27.0 34.0 41.7 49.3 48.0 40.7 32.5 23.1 15.8 30.5
Highest Mean Min. Temperature (F) 22.5 23.7 28.2 32.5 37.6 45.2 52.1 51.8 44.7 37.7 26.6 23.9 32.9
Year Highest Occurred 1986 1963 1986 1985 1984 1988 1961 1986 1990 1988 1966 1980 1986
Lowest Mean Min. Temperature (F) 8.6 9.7 13.2 21.5 30.8 37.2 44.7 44.2 36.0 28.3 19.1 6.9 28.6
Year Lowest Occurred 1964 1966 1962 1975 1975 1965 1962 1976 1965 1982 1964 1990 1964
Mean Precipitation (in.) 1.71 1.68 1.72 1.15 0.88 0.44 1.61 1.80 1.51 1.20 1.68 1.52 16.90
Highest Precipitation (in.) 9.15 6.83 4.38 3.90 2.34 1.61 3.78 4.81 4.27 4.28 5.72 6.24 25.82
Year Highest Occurred 1969 1969 1978 1988 1977 1972 1968 1963 1986 1972 1978 1966 1969
Lowest Precipitation (in.) 0.00 0.00 0.09 0.00 0.02 0.00 0.20 0.00 0.03 0.00 0.11 0.00 11.29
Year Lowest Occurred 1976 1972 1972 1962 1972 1979 1972 1985 1989 1964 1980 1989 1989
Heating Degree Days (F) 1153. 958. 936. 675. 434. 174. 31. 63. 238. 521. 852. 1116. 7151.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 21. 78. 48. 7. 0. 0. 0. 154.

Western Regional Climate Center, wrcc@dri.edu