BRIDGER, MONTANA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 33.3 40.6 49.5 59.9 69.5 79.3 87.9 86.4 74.7 63.6 46.3 35.9 60.6
Highest Mean Max. Temperature (F) 48.7 50.7 60.4 71.4 76.6 92.3 92.9 93.7 84.1 71.0 53.5 46.3 64.4
Year Highest Occurred 1981 1961 1986 1987 1985 1988 1988 1971 1990 1963 1965 1979 1988
Lowest Mean Max. Temperature (F) 15.3 22.6 36.4 48.9 63.7 73.0 82.5 78.1 58.2 52.9 26.9 19.4 56.4
Year Lowest Occurred 1979 1989 1965 1975 1974 1968 1972 1968 1965 1969 1985 1983 1978
Mean Temperature (F) 22.3 28.9 36.3 45.7 54.9 63.7 70.7 68.9 58.5 48.9 34.9 25.2 46.6
Highest Mean Temperature (F) 34.7 38.5 46.0 52.9 60.0 73.8 74.7 75.1 65.3 53.2 40.4 32.9 49.3
Year Highest Occurred 1981 1961 1986 1987 1985 1988 1989 1971 1990 1965 1965 1979 1981
Lowest Mean Temperature (F) 5.6 12.2 23.0 37.5 50.9 59.9 66.7 64.4 46.7 41.5 17.3 8.8 43.0
Year Lowest Occurred 1979 1989 1965 1975 1974 1969 1972 1968 1965 1969 1985 1983 1978
Mean Min. Temperature (F) 11.3 17.1 23.2 31.4 40.3 48.1 53.5 51.5 42.2 34.1 23.4 14.4 32.5
Highest Mean Min. Temperature (F) 23.4 26.3 31.6 36.2 44.1 55.3 57.4 56.5 48.3 37.5 27.9 22.4 34.9
Year Highest Occurred 1986 1961 1986 1974 1987 1988 1989 1971 1967 1975 1990 1973 1974
Lowest Mean Min. Temperature (F) -4.1 1.7 9.5 26.0 37.0 45.5 49.6 47.7 35.2 27.2 7.6 -1.9 29.5
Year Lowest Occurred 1979 1989 1965 1975 1982 1984 1971 1962 1965 1984 1985 1983 1978
Mean Precipitation (in.) 0.79 0.54 1.06 1.71 2.42 1.85 0.69 0.83 1.43 1.11 0.68 0.61 13.72
Highest Precipitation (in.) 2.42 1.60 3.16 3.98 6.08 5.47 3.16 2.37 4.74 3.53 2.17 1.49 20.85
Year Highest Occurred 1972 1971 1980 1964 1978 1964 1987 1968 1978 1971 1975 1967 1975
Lowest Precipitation (in.) 0.09 0.05 0.14 0.26 0.61 0.20 0.00 0.01 0.00 0.03 0.05 0.03 9.00
Year Lowest Occurred 1961 1973 1961 1962 1967 1961 1964 1963 1979 1987 1963 1986 1979
Heating Degree Days (F) 1324. 1011. 890. 579. 317. 118. 14. 41. 239. 499. 903. 1234. 7169.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 79. 191. 161. 44. 0. 0. 0. 475.

Western Regional Climate Center, wrcc@dri.edu