CHACO CANYN NATL MON, NEW MEXICO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 42.0 48.4 56.5 66.4 75.9 86.3 90.2 87.2 79.9 68.9 54.6 43.8 66.7
Highest Mean Max. Temperature (F) 52.6 55.6 65.5 73.5 82.2 92.0 93.6 90.3 84.6 74.1 63.5 51.9 69.7
Year Highest Occurred 1986 1976 1972 1989 1984 1974 1980 1969 1979 1979 1967 1980 1981
Lowest Mean Max. Temperature (F) 34.7 41.2 50.4 59.7 71.0 81.2 85.0 83.4 75.4 59.0 47.0 35.3 65.1
Year Lowest Occurred 1979 1964 1973 1973 1979 1967 1983 1968 1986 1984 1972 1990 1964
Mean Temperature (F) 26.2 32.8 39.5 47.1 56.3 66.0 72.2 69.8 61.8 50.0 38.0 28.0 49.0
Highest Mean Temperature (F) 34.8 37.1 45.4 52.1 60.8 70.5 74.5 73.5 65.4 53.8 41.8 34.6 51.0
Year Highest Occurred 1978 1976 1989 1989 1984 1974 1966 1970 1990 1963 1965 1980 1981
Lowest Mean Temperature (F) 19.1 24.2 33.9 42.1 53.0 60.7 68.3 66.5 57.4 45.8 33.1 19.0 46.5
Year Lowest Occurred 1962 1964 1964 1970 1971 1965 1983 1968 1965 1970 1979 1990 1964
Mean Min. Temperature (F) 10.5 17.1 22.3 27.8 36.6 45.6 54.2 52.3 43.8 31.0 21.3 12.1 31.2
Highest Mean Min. Temperature (F) 25.2 25.3 27.4 36.0 41.8 51.4 57.2 56.9 49.5 40.9 29.0 20.8 35.0
Year Highest Occurred 1978 1978 1990 1990 1990 1986 1990 1970 1990 1972 1978 1982 1986
Lowest Mean Min. Temperature (F) 1.0 7.2 16.3 22.9 31.3 39.8 49.0 46.7 38.4 25.3 11.9 0.3 27.9
Year Lowest Occurred 1962 1964 1976 1964 1971 1965 1979 1965 1968 1975 1976 1961 1964
Mean Precipitation (in.) 0.51 0.54 0.62 0.44 0.62 0.46 1.22 1.26 1.28 1.08 0.70 0.63 9.36
Highest Precipitation (in.) 1.87 1.92 1.86 2.36 2.81 1.58 3.16 2.53 3.66 5.88 3.29 3.90 15.12
Year Highest Occurred 1989 1982 1961 1985 1982 1988 1967 1988 1982 1972 1986 1961 1986
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.02 0.00 0.10 0.20 0.01 0.00 0.00 0.00 5.24
Year Lowest Occurred 1986 1984 1977 1989 1974 1982 1972 1990 1979 1982 1989 1981 1976
Heating Degree Days (F) 1203. 902. 791. 537. 275. 63. 0. 8. 121. 465. 810. 1147. 6322.
Cooling Degree Days (F) 0. 0. 0. 0. 5. 93. 223. 157. 25. 0. 0. 0. 503.

Western Regional Climate Center, wrcc@dri.edu