WINSLOW MUNI AP, ARIZONA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 44.7 53.4 60.9 70.0 79.6 90.5 93.6 90.4 83.6 72.1 58.4 46.0 70.3
Highest Mean Max. Temperature (F) 55.7 58.5 71.5 78.2 85.9 96.1 98.9 94.6 88.1 78.6 63.7 56.9 72.6
Year Highest Occurred 1986 1972 1972 1989 1984 1974 1971 1962 1979 1963 1981 1977 1981
Lowest Mean Max. Temperature (F) 23.4 45.9 55.2 63.6 74.8 85.7 88.5 85.4 78.3 64.6 53.2 32.1 67.1
Year Lowest Occurred 1968 1966 1973 1983 1980 1965 1990 1990 1985 1984 1979 1961 1968
Mean Temperature (F) 31.9 39.0 45.5 53.3 62.3 72.2 78.2 75.7 68.2 56.2 43.9 33.1 55.0
Highest Mean Temperature (F) 39.8 43.2 51.7 60.6 68.9 76.6 82.5 78.9 71.8 62.4 47.9 41.6 57.3
Year Highest Occurred 1986 1986 1972 1989 1984 1961 1971 1969 1963 1963 1962 1977 1981
Lowest Mean Temperature (F) 12.9 32.3 41.4 47.5 58.1 67.6 74.5 72.0 64.2 51.8 38.0 21.4 52.5
Year Lowest Occurred 1968 1964 1969 1975 1980 1965 1987 1990 1985 1969 1979 1967 1968
Mean Min. Temperature (F) 19.1 24.6 30.1 36.5 44.9 53.9 62.8 61.0 52.8 40.2 29.3 20.2 39.6
Highest Mean Min. Temperature (F) 29.4 30.3 36.0 42.9 51.9 59.1 66.1 64.6 57.4 47.1 34.1 29.8 42.2
Year Highest Occurred 1980 1986 1978 1989 1984 1981 1971 1969 1984 1972 1978 1983 1986
Lowest Mean Min. Temperature (F) 2.3 14.8 25.0 30.9 41.1 49.4 58.6 57.4 46.8 34.3 22.8 9.8 37.0
Year Lowest Occurred 1968 1964 1964 1970 1975 1965 1973 1974 1973 1982 1979 1967 1975
Mean Precipitation (in.) 0.45 0.52 0.55 0.26 0.31 0.31 1.20 1.39 0.91 0.91 0.57 0.66 8.04
Highest Precipitation (in.) 1.42 2.05 2.07 1.28 1.39 3.22 2.67 4.80 2.54 5.61 1.54 3.73 12.25
Year Highest Occurred 1965 1973 1973 1988 1979 1972 1967 1963 1975 1972 1982 1967 1972
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.15 0.04 0.00 0.00 0.00 4.54
Year Lowest Occurred 1984 1972 1988 1989 1977 1989 1962 1968 1988 1982 1989 1981 1968
Heating Degree Days (F) 1026. 728. 605. 357. 128. 6. 0. 0. 21. 283. 633. 989. 4776.
Cooling Degree Days (F) 0. 0. 0. 6. 44. 222. 409. 332. 117. 11. 0. 0. 1141.

Western Regional Climate Center, wrcc@dri.edu