CRESTONE 2 SE, COLORADO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 35.6 41.2 49.9 59.1 68.9 79.6 83.1 80.2 73.3 62.4 46.5 37.3 59.8
Highest Mean Max. Temperature (F) 45.6 49.2 57.6 65.8 76.5 84.1 87.5 84.8 78.1 67.8 56.9 48.2 87.5
Year Highest Occurred 1981 1995 1989 1989 1996 1990 1980 2000 1998 1988 1999 1980 1980
Lowest Mean Max. Temperature (F) 26.0 34.8 44.1 51.1 63.1 72.9 78.9 76.1 68.3 53.2 37.3 28.0 26.0
Year Lowest Occurred 1984 1992 1973 1973 1995 1983 1992 1992 1986 1984 1972 1991 1984
Mean Temperature (F) 22.2 27.6 35.9 43.3 52.5 61.9 66.5 64.2 57.5 46.9 33.3 24.0 44.7
Highest Mean Temperature (F) 30.5 37.1 41.7 48.7 59.3 66.3 69.8 67.2 61.0 50.6 38.9 34.1 69.8
Year Highest Occurred 1999 1995 1989 1989 1996 1994 1980 1995 1998 1992 1999 1980 1980
Lowest Mean Temperature (F) 13.1 20.7 31.2 36.4 48.4 57.2 63.7 61.7 54.0 41.3 26.0 16.0 13.1
Year Lowest Occurred 1984 1984 1987 1973 1983 1983 1986 1974 1986 1984 1972 1991 1984
Mean Min. Temperature (F) 8.8 14.0 21.8 27.4 36.1 44.2 49.8 48.2 41.7 31.4 20.0 10.6 29.5
Highest Mean Min. Temperature (F) 17.4 25.1 25.8 31.6 42.1 48.8 52.2 51.2 44.8 36.4 24.2 20.0 52.2
Year Highest Occurred 1999 1995 1989 1989 1996 1994 1980 1994 1997 1992 1978 1980 1980
Lowest Mean Min. Temperature (F) 0.1 5.9 16.5 21.7 33.2 41.4 47.2 44.8 37.4 28.3 14.5 3.1 0.1
Year Lowest Occurred 1984 1974 1977 1973 1971 1983 1990 1974 1987 1976 1979 1978 1984
Mean Precipitation (in.) 0.64 0.37 0.93 1.00 1.09 0.86 2.44 2.03 1.25 1.03 0.75 0.53 12.92
Highest Precipitation (in.) 1.65 1.00 2.89 3.41 2.18 3.20 5.79 4.64 3.52 3.10 2.13 1.24 5.79
Year Highest Occurred 1988 1997 1990 1990 1993 1988 1998 1987 1990 1984 1997 1982 1998
Lowest Precipitation (in.) 0.10 0.02 0.02 0.00 0.04 0.07 0.57 0.86 0.14 0.04 0.00 0.07 0.00
Year Lowest Occurred 1995 1999 1997 1989 1998 1998 1993 1978 1987 1995 1989 2000 1989
Heating Degree Days (F) 1327. 1047. 904. 653. 390. 122. 28. 64. 228. 561. 953. 1273. 7550.
Cooling Degree Days (F) 0. 0. 0. 0. 2. 29. 73. 39. 4. 0. 0. 0. 147.

Western Regional Climate Center, wrcc@dri.edu