GRAND JUNCTION WALKER FLD, COLORADO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 36.6 45.4 55.7 64.3 74.5 86.9 92.1 89.6 80.3 66.7 49.8 38.9 65.1
Highest Mean Max. Temperature (F) 48.2 56.1 64.0 73.1 81.4 93.8 96.5 93.8 85.2 73.6 57.8 51.2 96.5
Year Highest Occurred 1981 1995 1999 1992 2000 1994 1994 1995 1979 1988 1999 1980 1994
Lowest Mean Max. Temperature (F) 21.5 32.1 48.8 56.1 67.2 81.0 88.9 85.8 74.4 58.4 42.5 24.8 21.5
Year Lowest Occurred 1973 1979 1979 1975 1975 1984 1992 1999 1986 1984 1979 1978 1973
Mean Temperature (F) 26.1 34.1 43.4 50.9 60.5 71.1 76.8 74.7 65.4 52.7 38.1 28.2 51.8
Highest Mean Temperature (F) 35.9 43.0 48.5 58.5 65.8 77.0 80.4 78.4 70.0 57.2 43.0 38.9 80.4
Year Highest Occurred 1981 1995 1999 1992 2000 1994 1994 2000 1998 1988 1995 1980 1994
Lowest Mean Temperature (F) 10.6 18.7 37.1 44.5 54.9 65.1 73.8 71.2 60.6 47.9 31.4 14.8 10.6
Year Lowest Occurred 1973 1974 1976 1975 1975 1975 1987 1987 1985 1984 1979 1978 1973
Mean Min. Temperature (F) 15.6 22.7 31.0 37.5 46.4 55.3 61.4 59.7 50.4 38.6 26.3 17.5 38.5
Highest Mean Min. Temperature (F) 24.2 29.9 35.3 43.9 50.1 60.3 64.7 64.7 56.1 42.5 29.9 26.6 64.7
Year Highest Occurred 1995 1995 1983 1992 2000 1977 1998 1983 1998 1992 1983 1980 1998
Lowest Mean Min. Temperature (F) -0.4 5.2 23.4 32.8 42.5 48.9 57.6 55.5 44.1 32.7 20.3 4.8 -0.4
Year Lowest Occurred 1973 1974 1976 1975 1975 1975 1987 1987 1971 1976 1979 1978 1973
Mean Precipitation (in.) 0.60 0.50 1.00 0.86 0.98 0.41 0.66 0.84 0.91 1.00 0.71 0.52 8.99
Highest Precipitation (in.) 1.36 1.33 2.02 2.15 2.04 1.68 1.92 2.67 2.84 3.45 2.00 1.85 3.45
Year Highest Occurred 1993 1989 1979 1997 1995 1984 1983 1997 1997 1972 1983 1983 1972
Lowest Precipitation (in.) 0.09 0.00 0.02 0.09 0.01 0.00 0.01 0.09 0.01 0.02 0.00 0.01 0.00
Year Lowest Occurred 1999 1972 1972 1982 1974 1980 1994 1975 1979 1988 1989 1976 1972
Heating Degree Days (F) 1194. 860. 656. 409. 178. 33. 12. 1. 73. 367. 792. 1125. 5700.
Cooling Degree Days (F) 0. 0. 0. 2. 44. 232. 394. 318. 100. 1. 0. 0. 1091.

Western Regional Climate Center, wrcc@dri.edu