DOUGLAS FAA AP, ARIZONA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 60.8 64.9 69.8 77.7 85.2 93.9 92.5 90.2 86.8 79.2 68.8 61.4 77.6
Highest Mean Max. Temperature (F) 68.3 70.1 78.4 86.9 90.6 100.0 97.5 95.6 91.7 84.2 74.4 67.8 82.0
Year Highest Occurred 1986 1989 1989 1989 1989 1990 1989 1962 1989 1979 1981 1980 1989
Lowest Mean Max. Temperature (F) 54.5 58.0 62.2 69.9 81.4 89.7 89.0 86.5 83.6 73.2 64.1 55.0 75.7
Year Lowest Occurred 1979 1966 1973 1983 1979 1965 1976 1968 1964 1976 1961 1967 1964
Mean Temperature (F) 44.8 48.1 52.9 59.9 67.6 76.7 78.8 76.8 72.7 63.1 52.3 45.4 61.6
Highest Mean Temperature (F) 49.0 52.7 58.6 66.3 72.3 81.8 81.8 80.2 75.1 67.5 55.9 49.9 64.2
Year Highest Occurred 1986 1989 1989 1989 1984 1990 1980 1962 1989 1987 1965 1980 1989
Lowest Mean Temperature (F) 40.2 40.7 48.1 54.1 65.1 72.2 75.7 73.6 70.0 58.3 48.3 41.3 59.9
Year Lowest Occurred 1966 1964 1973 1983 1975 1965 1986 1968 1985 1976 1972 1978 1964
Mean Min. Temperature (F) 28.8 31.3 35.9 42.2 50.0 59.4 65.1 63.4 58.5 46.9 35.7 29.4 45.6
Highest Mean Min. Temperature (F) 34.1 37.6 40.8 46.8 54.2 64.2 67.4 65.9 62.1 51.6 39.6 34.7 48.2
Year Highest Occurred 1981 1968 1978 1981 1984 1981 1969 1969 1983 1987 1965 1984 1981
Lowest Mean Min. Temperature (F) 23.1 21.8 30.6 38.2 46.9 54.6 62.2 60.2 54.8 42.4 31.5 24.3 43.9
Year Lowest Occurred 1964 1964 1969 1983 1975 1965 1986 1979 1986 1970 1979 1968 1966
Mean Precipitation (in.) 0.73 0.52 0.40 0.21 0.20 0.47 3.41 2.98 1.77 1.09 0.60 1.04 13.42
Highest Precipitation (in.) 1.82 2.01 1.41 1.46 0.92 2.96 6.25 6.86 6.94 5.33 1.86 3.61 21.01
Year Highest Occurred 1979 1980 1968 1988 1979 1984 1969 1964 1983 1977 1983 1965 1983
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 1.20 0.17 0.00 0.00 0.00 0.00 6.68
Year Lowest Occurred 1972 1984 1984 1983 1985 1989 1970 1962 1968 1982 1989 1981 1980
Heating Degree Days (F) 626. 473. 380. 178. 22. 0. 0. 0. 0. 99. 381. 608. 2767.
Cooling Degree Days (F) 0. 0. 0. 25. 103. 351. 428. 366. 231. 40. 0. 0. 1544.

Western Regional Climate Center, wrcc@dri.edu