WINSLOW MUNI AP, ARIZONA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 47.1 54.4 61.5 69.8 79.0 90.0 93.0 90.1 83.5 71.7 57.7 47.1 70.4
Highest Mean Max. Temperature (F) 56.4 60.4 71.5 78.2 86.4 96.1 98.9 94.0 88.1 77.1 66.0 56.9 98.9
Year Highest Occurred 2000 1996 1972 1989 2000 1974 1971 1996 1979 1988 1999 1977 1971
Lowest Mean Max. Temperature (F) 37.3 50.1 54.1 63.6 72.7 82.9 88.5 85.4 78.3 64.6 50.4 37.4 37.3
Year Lowest Occurred 1992 1987 1991 1983 1995 1991 1990 1990 1985 1984 2000 1992 1992
Mean Temperature (F) 34.2 40.0 46.3 53.4 62.2 72.1 77.5 75.6 68.2 55.9 43.2 34.1 55.2
Highest Mean Temperature (F) 40.6 45.2 51.7 60.6 68.9 76.4 82.5 78.4 71.4 61.4 47.6 41.6 82.5
Year Highest Occurred 2000 1995 1972 1989 1984 1974 1971 1995 1997 1988 1995 1977 1971
Lowest Mean Temperature (F) 26.3 35.9 41.4 47.5 58.1 66.6 74.1 72.0 64.2 52.3 36.9 26.4 26.3
Year Lowest Occurred 1975 1984 1991 1975 1995 1991 1992 1990 1985 1982 2000 1990 1975
Mean Min. Temperature (F) 21.3 25.5 31.1 36.9 45.3 54.2 62.0 61.1 52.9 40.1 28.7 21.0 40.0
Highest Mean Min. Temperature (F) 29.4 30.6 36.0 42.9 51.9 59.1 66.1 64.5 57.4 47.1 34.1 29.8 66.1
Year Highest Occurred 1980 1995 1978 1989 1984 1981 1971 1994 1984 1972 1978 1983 1971
Lowest Mean Min. Temperature (F) 12.3 18.3 26.1 31.3 41.1 50.2 57.9 57.4 46.8 34.3 22.8 14.0 12.3
Year Lowest Occurred 1975 1977 1977 1975 1975 1998 1997 1974 1973 1982 1979 1990 1975
Mean Precipitation (in.) 0.46 0.53 0.61 0.27 0.36 0.30 1.18 1.31 1.02 0.90 0.55 0.54 8.03
Highest Precipitation (in.) 1.54 2.05 2.07 1.28 2.11 3.22 3.53 2.69 3.45 5.61 1.54 1.80 5.61
Year Highest Occurred 1993 1973 1973 1988 1992 1972 1992 1982 1996 1972 1982 1992 1972
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.04 0.12 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 1984 1972 1997 1996 1998 1998 1993 1996 1993 1999 1999 1999 1984
Heating Degree Days (F) 961. 713. 580. 357. 133. 12. 0. 1. 31. 290. 649. 965. 4692.
Cooling Degree Days (F) 0. 0. 0. 3. 39. 221. 384. 327. 124. 6. 0. 0. 1104.

Western Regional Climate Center, wrcc@dri.edu