FT COLLINS, COLORADO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 42.0 46.5 53.7 61.3 70.2 80.5 85.5 83.4 75.4 64.2 50.0 42.9 63.0
Highest Mean Max. Temperature (F) 50.3 53.6 60.9 69.1 76.9 86.0 89.2 88.5 81.2 68.0 60.5 53.1 89.2
Year Highest Occurred 1986 2000 1986 1981 2000 1980 2000 1995 1998 1988 1999 1980 2000
Lowest Mean Max. Temperature (F) 28.8 32.8 46.9 52.5 60.6 75.3 80.8 78.8 70.8 57.2 39.5 29.0 28.8
Year Lowest Occurred 1979 1989 1980 1983 1995 1982 1992 1992 1971 1984 1985 1983 1979
Mean Temperature (F) 28.7 33.2 40.2 47.7 56.8 66.1 71.2 69.3 60.8 49.8 37.1 29.8 49.2
Highest Mean Temperature (F) 36.2 39.7 46.5 53.8 61.5 70.9 74.5 73.3 66.5 53.2 44.2 38.5 74.5
Year Highest Occurred 1986 1999 1986 1981 2000 1977 2000 1983 1998 1988 1999 1980 2000
Lowest Mean Temperature (F) 16.6 21.6 35.0 40.6 50.9 61.4 67.9 65.8 56.0 44.7 28.8 18.3 16.6
Year Lowest Occurred 1979 1989 1980 1983 1995 1982 1992 1992 1971 1984 1985 1983 1979
Mean Min. Temperature (F) 15.3 19.8 26.6 34.0 43.3 51.6 56.9 55.2 46.2 35.3 24.1 16.7 35.4
Highest Mean Min. Temperature (F) 23.2 26.0 32.0 38.5 46.5 56.0 59.9 59.1 51.7 38.9 30.5 23.9 59.9
Year Highest Occurred 1999 1992 1986 1981 1994 1977 1999 1983 1998 1998 1998 1980 1999
Lowest Mean Min. Temperature (F) 4.3 10.3 21.3 28.7 38.9 47.5 53.6 50.7 41.2 31.3 17.5 7.5 4.3
Year Lowest Occurred 1979 1989 1976 1983 1983 1982 1972 1974 1971 1976 1979 1983 1979
Mean Precipitation (in.) 0.42 0.38 1.42 2.09 2.60 1.99 1.87 1.40 1.38 0.98 0.82 0.49 15.84
Highest Precipitation (in.) 1.14 1.28 5.63 8.29 7.47 5.78 6.71 5.11 3.55 2.90 2.29 1.52 8.29
Year Highest Occurred 1980 1987 1990 1999 1995 1992 1997 1997 1971 1998 1973 1979 1999
Lowest Precipitation (in.) 0.01 0.00 0.13 0.38 0.01 0.08 0.52 0.12 0.02 0.13 0.02 0.01 0.00
Year Lowest Occurred 1983 1992 1977 1982 1974 1980 1971 1974 1992 1988 1984 1991 1992
Heating Degree Days (F) 1127. 891. 771. 521. 271. 67. 3. 20. 163. 473. 838. 1093. 6238.
Cooling Degree Days (F) 0. 0. 0. 0. 14. 99. 195. 153. 36. 0. 0. 0. 497.

Western Regional Climate Center, wrcc@dri.edu