FT COLLINS, COLORADO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 41.3 45.5 51.5 61.2 69.8 79.7 85.5 83.1 74.6 64.3 50.6 42.0 62.4
Highest Mean Max. Temperature (F) 50.3 53.7 60.9 69.1 75.6 86.0 89.1 87.5 79.8 70.0 57.0 53.1 65.0
Year Highest Occurred 1986 1970 1986 1981 1974 1980 1966 1983 1977 1963 1981 1980 1981
Lowest Mean Max. Temperature (F) 28.8 32.8 39.9 52.5 64.6 71.3 81.6 80.0 64.9 50.9 39.5 29.0 60.9
Year Lowest Occurred 1979 1989 1965 1983 1967 1967 1990 1977 1965 1969 1985 1983 1961
Mean Temperature (F) 27.7 32.4 38.3 47.5 56.4 65.7 71.5 69.1 60.2 49.8 37.5 29.1 48.8
Highest Mean Temperature (F) 36.2 37.6 46.5 54.2 60.4 71.3 74.8 73.8 64.8 54.7 42.7 38.8 51.3
Year Highest Occurred 1986 1970 1986 1981 1974 1977 1966 1983 1990 1963 1981 1980 1981
Lowest Mean Temperature (F) 15.7 21.6 27.1 41.0 52.5 60.2 68.5 66.5 52.9 40.2 28.8 18.6 47.5
Year Lowest Occurred 1962 1989 1965 1983 1983 1969 1972 1974 1965 1969 1985 1983 1962
Mean Min. Temperature (F) 14.1 19.2 25.1 33.7 43.0 51.6 57.4 55.1 45.9 35.2 24.4 16.1 35.1
Highest Mean Min. Temperature (F) 22.1 23.5 32.0 39.2 46.4 56.7 60.5 60.1 50.8 39.3 28.4 24.5 37.6
Year Highest Occurred 1986 1987 1986 1981 1977 1977 1966 1983 1990 1963 1981 1980 1981
Lowest Mean Min. Temperature (F) 0.1 10.3 14.3 29.3 39.5 48.2 54.4 51.6 40.8 29.4 18.0 8.1 33.1
Year Lowest Occurred 1962 1989 1965 1968 1983 1982 1972 1962 1965 1969 1985 1983 1962
Mean Precipitation (in.) 0.43 0.39 1.35 1.76 2.68 1.90 1.82 1.26 1.30 0.97 0.70 0.51 15.07
Highest Precipitation (in.) 1.17 1.28 5.63 4.42 7.06 5.27 5.86 4.00 4.00 4.85 2.29 1.52 28.42
Year Highest Occurred 1962 1987 1990 1971 1961 1965 1977 1961 1961 1969 1973 1979 1961
Lowest Precipitation (in.) 0.01 0.02 0.01 0.38 0.01 0.08 0.13 0.12 0.09 0.06 0.00 0.02 7.34
Year Lowest Occurred 1983 1973 1966 1982 1974 1980 1963 1974 1968 1964 1965 1969 1966
Heating Degree Days (F) 1156. 913. 828. 525. 272. 77. 0. 12. 176. 471. 825. 1113. 6368.
Cooling Degree Days (F) 0. 0. 0. 0. 5. 98. 205. 139. 32. 0. 0. 0. 479.

Western Regional Climate Center, wrcc@dri.edu