JORDAN, MONTANA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 28.5 36.3 46.7 60.2 71.1 81.6 89.5 88.4 75.4 63.2 44.7 31.6 59.8
Highest Mean Max. Temperature (F) 42.5 47.1 57.5 72.7 80.5 97.4 94.8 96.4 85.5 72.6 52.8 45.2 64.5
Year Highest Occurred 1981 1984 1986 1980 1988 1988 1988 1983 1990 1963 1962 1979 1988
Lowest Mean Max. Temperature (F) 9.4 19.1 30.3 49.4 64.2 76.6 82.5 81.1 60.0 51.5 23.8 12.8 54.8
Year Lowest Occurred 1969 1989 1965 1975 1974 1967 1972 1977 1965 1969 1985 1983 1978
Mean Temperature (F) 15.9 23.2 33.0 45.1 55.8 65.7 72.1 70.3 58.3 47.1 31.2 19.0 44.7
Highest Mean Temperature (F) 29.3 33.8 43.7 54.0 62.9 78.7 75.6 77.5 66.0 53.7 40.0 29.1 48.5
Year Highest Occurred 1986 1984 1986 1980 1988 1988 1984 1983 1963 1963 1962 1979 1987
Lowest Mean Temperature (F) -3.1 8.0 16.5 38.5 50.7 61.9 66.1 65.0 47.2 40.0 12.7 0.6 41.1
Year Lowest Occurred 1969 1989 1965 1975 1974 1969 1972 1977 1965 1969 1985 1983 1978
Mean Min. Temperature (F) 3.2 10.0 19.2 30.0 40.5 49.7 54.7 52.2 41.3 30.9 17.6 6.3 29.6
Highest Mean Min. Temperature (F) 19.8 21.1 29.8 35.3 45.3 59.9 58.2 58.5 47.2 36.1 27.1 15.8 32.9
Year Highest Occurred 1986 1983 1986 1980 1988 1988 1975 1983 1963 1962 1962 1986 1987
Lowest Mean Min. Temperature (F) -15.5 -6.3 2.7 24.3 35.6 46.1 49.7 48.0 34.4 27.0 1.5 -11.6 26.6
Year Lowest Occurred 1969 1979 1965 1967 1968 1979 1972 1966 1965 1972 1985 1983 1965
Mean Precipitation (in.) 0.49 0.33 0.57 1.17 2.27 2.36 1.77 1.16 1.29 0.76 0.34 0.50 13.01
Highest Precipitation (in.) 1.69 1.77 1.27 2.92 4.90 5.66 4.48 2.88 5.19 2.18 1.20 1.69 22.11
Year Highest Occurred 1971 1979 1975 1970 1978 1976 1966 1974 1978 1975 1978 1989 1978
Lowest Precipitation (in.) 0.00 0.01 0.09 0.14 0.15 0.36 0.00 0.05 0.04 0.00 0.00 0.07 6.59
Year Lowest Occurred 1973 1990 1969 1983 1980 1961 1984 1967 1990 1965 1972 1987 1984
Heating Degree Days (F) 1522. 1170. 992. 597. 297. 103. 10. 46. 246. 555. 1014. 1426. 7978.
Cooling Degree Days (F) 0. 0. 0. 0. 12. 124. 230. 210. 45. 0. 0. 0. 621.

Western Regional Climate Center, wrcc@dri.edu