COLLBRAN, COLORADO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 36.1 42.5 49.5 59.2 70.0 80.3 87.1 84.2 75.8 64.9 48.9 37.9 61.4
Highest Mean Max. Temperature (F) 44.8 48.6 59.1 65.9 76.6 86.9 91.8 88.0 83.7 72.8 56.2 47.1 64.1
Year Highest Occurred 1981 1963 1972 1989 1963 1977 1964 1962 1979 1963 1962 1980 1963
Lowest Mean Max. Temperature (F) 26.4 36.6 42.0 51.0 63.5 74.6 83.0 78.5 68.3 54.1 39.4 29.7 58.7
Year Lowest Occurred 1979 1966 1964 1975 1983 1969 1986 1968 1961 1969 1972 1978 1973
Mean Temperature (F) 21.5 28.1 35.6 44.3 53.9 62.9 69.3 67.0 58.5 48.0 34.7 24.4 45.7
Highest Mean Temperature (F) 29.7 34.7 42.5 50.1 59.7 67.8 73.8 69.9 64.4 56.8 41.1 33.8 48.9
Year Highest Occurred 1981 1963 1986 1962 1963 1977 1964 1969 1963 1963 1962 1980 1963
Lowest Mean Temperature (F) 13.0 20.5 29.6 36.9 49.2 58.3 64.4 61.3 52.9 41.1 28.9 15.7 42.0
Year Lowest Occurred 1973 1974 1976 1970 1983 1969 1973 1974 1971 1969 1972 1978 1973
Mean Min. Temperature (F) 6.8 13.5 21.7 29.4 37.7 45.4 51.5 49.6 41.1 31.0 20.5 10.8 29.9
Highest Mean Min. Temperature (F) 17.7 21.6 27.7 35.5 42.7 49.6 57.2 54.6 47.3 40.7 28.3 20.4 33.6
Year Highest Occurred 1965 1962 1978 1976 1963 1990 1966 1982 1963 1963 1965 1980 1963
Lowest Mean Min. Temperature (F) -4.6 3.0 11.6 20.2 32.7 39.8 43.0 38.1 32.3 26.2 10.4 1.6 25.3
Year Lowest Occurred 1975 1974 1976 1973 1972 1973 1972 1974 1988 1989 1976 1978 1973
Mean Precipitation (in.) 0.97 0.89 1.48 1.31 1.32 0.87 1.17 1.24 1.36 1.46 1.20 1.21 14.48
Highest Precipitation (in.) 3.71 2.95 3.90 2.72 3.17 3.61 2.45 2.90 4.59 4.64 3.05 3.59 22.02
Year Highest Occurred 1969 1968 1978 1985 1983 1969 1968 1984 1961 1969 1983 1967 1969
Lowest Precipitation (in.) 0.05 0.03 0.07 0.29 0.00 0.00 0.15 0.00 0.09 0.00 0.06 0.11 7.23
Year Lowest Occurred 1972 1972 1972 1963 1974 1980 1972 1962 1979 1964 1976 1989 1976
Heating Degree Days (F) 1349. 1033. 911. 621. 344. 117. 22. 47. 224. 527. 909. 1259. 7363.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 54. 156. 109. 29. 0. 0. 0. 348.

Western Regional Climate Center, wrcc@dri.edu