MONTROSE #2, COLORADO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 37.3 44.4 52.6 62.1 71.9 82.5 88.2 85.6 77.2 65.7 50.3 39.5 63.1
Highest Mean Max. Temperature (F) 47.3 50.9 61.9 69.2 76.9 88.1 91.4 89.3 83.9 72.9 56.1 48.8 65.5
Year Highest Occurred 1981 1972 1972 1989 1969 1977 1988 1985 1979 1963 1962 1980 1981
Lowest Mean Max. Temperature (F) 28.6 36.4 45.5 54.7 67.5 75.8 84.5 78.4 70.1 54.8 42.1 30.4 60.9
Year Lowest Occurred 1979 1974 1964 1970 1975 1969 1986 1968 1961 1969 1972 1978 1968
Mean Temperature (F) 24.8 31.6 39.5 48.0 57.2 66.6 72.5 70.0 61.5 50.4 37.7 27.6 49.0
Highest Mean Temperature (F) 34.2 37.4 46.2 53.9 61.8 71.8 74.9 72.6 66.0 56.3 42.7 37.0 51.7
Year Highest Occurred 1981 1986 1986 1981 1984 1977 1988 1988 1979 1963 1965 1980 1981
Lowest Mean Temperature (F) 15.4 22.2 32.6 40.9 53.5 60.4 68.9 63.2 56.3 42.3 32.1 19.3 45.8
Year Lowest Occurred 1963 1974 1964 1970 1975 1969 1968 1968 1961 1969 1979 1978 1968
Mean Min. Temperature (F) 12.3 18.8 26.2 33.8 42.4 50.6 56.7 54.4 45.7 35.0 25.0 15.6 34.7
Highest Mean Min. Temperature (F) 21.7 24.9 32.6 39.3 46.7 55.5 59.4 58.6 49.8 39.9 29.7 25.1 37.8
Year Highest Occurred 1980 1986 1978 1981 1984 1977 1984 1982 1990 1972 1965 1980 1981
Lowest Mean Min. Temperature (F) 1.2 8.0 19.5 27.0 39.1 45.0 52.0 48.0 38.9 29.1 20.1 8.2 30.7
Year Lowest Occurred 1963 1974 1962 1970 1968 1969 1968 1968 1968 1970 1969 1978 1968
Mean Precipitation (in.) 0.47 0.42 0.66 0.76 0.85 0.61 1.01 1.11 1.17 1.14 0.83 0.65 9.68
Highest Precipitation (in.) 1.96 0.99 1.99 2.42 2.09 2.26 2.98 3.22 3.22 2.60 2.75 1.98 14.98
Year Highest Occurred 1974 1968 1984 1990 1986 1969 1983 1964 1965 1972 1986 1978 1986
Lowest Precipitation (in.) 0.05 0.00 0.02 0.00 0.01 0.00 0.22 0.14 0.00 0.00 0.00 0.00 5.58
Year Lowest Occurred 1962 1972 1966 1963 1974 1980 1961 1978 1979 1964 1989 1976 1989
Heating Degree Days (F) 1246. 935. 791. 510. 248. 68. 0. 11. 143. 453. 819. 1159. 6383.
Cooling Degree Days (F) 0. 0. 0. 0. 7. 116. 233. 166. 38. 0. 0. 0. 560.

Western Regional Climate Center, wrcc@dri.edu