KITT PEAK, ARIZONA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 48.7 50.2 52.9 60.6 69.2 78.8 79.7 76.9 73.9 66.2 56.1 49.7 63.6
Highest Mean Max. Temperature (F) 58.0 56.5 64.0 72.1 77.4 85.1 84.2 82.3 82.1 73.9 64.6 58.9 67.6
Year Highest Occurred 1986 1981 1972 1989 1984 1974 1989 1962 1979 1979 1981 1980 1989
Lowest Mean Max. Temperature (F) 42.0 40.2 43.7 51.2 61.8 67.2 74.7 69.4 67.5 57.8 48.7 43.9 58.9
Year Lowest Occurred 1979 1966 1973 1967 1965 1965 1968 1968 1964 1971 1972 1971 1964
Mean Temperature (F) 40.4 41.5 43.9 50.7 58.8 68.4 70.1 68.1 65.0 57.3 47.6 41.6 54.5
Highest Mean Temperature (F) 48.7 47.7 53.6 61.7 65.6 73.9 74.0 73.2 70.7 62.3 53.1 49.0 58.2
Year Highest Occurred 1986 1963 1972 1989 1984 1974 1989 1962 1979 1988 1981 1980 1989
Lowest Mean Temperature (F) 34.2 34.2 35.8 42.5 54.0 60.7 66.7 63.1 61.3 49.3 40.7 36.0 51.8
Year Lowest Occurred 1979 1966 1973 1975 1980 1965 1984 1968 1976 1971 1972 1971 1964
Mean Min. Temperature (F) 32.1 32.8 34.8 40.8 48.3 58.0 60.5 59.2 56.1 48.3 39.0 33.4 45.3
Highest Mean Min. Temperature (F) 39.3 39.4 43.1 51.3 55.3 63.1 63.9 64.1 60.7 55.3 45.9 40.1 48.8
Year Highest Occurred 1986 1963 1972 1989 1963 1990 1963 1962 1963 1963 1965 1977 1989
Lowest Mean Min. Temperature (F) 26.3 26.2 27.8 32.7 42.8 52.4 56.5 56.2 51.2 40.7 32.7 27.7 42.5
Year Lowest Occurred 1979 1964 1973 1975 1977 1969 1976 1971 1985 1971 1972 1974 1975
Mean Precipitation (in.) 1.88 1.74 1.82 0.67 0.41 0.47 4.63 4.80 2.56 1.85 1.47 3.00 25.30
Highest Precipitation (in.) 8.90 6.11 6.35 3.58 2.23 3.55 12.04 11.33 8.76 8.41 5.56 13.53 48.53
Year Highest Occurred 1979 1966 1983 1965 1978 1984 1990 1971 1970 1972 1978 1965 1983
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 1.16 1.01 0.00 0.00 0.00 0.00 14.93
Year Lowest Occurred 1972 1989 1984 1989 1988 1989 1987 1962 1988 1982 1974 1981 1989
Heating Degree Days (F) 763. 658. 654. 442. 211. 63. 12. 26. 72. 267. 522. 725. 4415.
Cooling Degree Days (F) 0. 0. 0. 13. 19. 165. 170. 122. 72. 28. 0. 0. 589.

Western Regional Climate Center, wrcc@dri.edu