PHOENIX SKY HARBOR INTL 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) 67.3 71.4 76.1 84.7 93.9 103.9 106.6 104.5 99.0 87.7 75.0 67.1 86.4
Highest Mean Max. Temperature (F) 71.9 75.8 84.0 91.0 98.8 106.5 107.3 106.1 101.7 93.0 81.9 72.8 107.3
Year Highest Occurred 1986 1991 1972 1989 1984 1974 1995 1995 2000 1999 1999 1980 1995
Lowest Mean Max. Temperature (F) 56.9 62.5 64.7 74.0 85.2 97.5 100.0 98.3 91.5 78.9 67.4 59.0 56.9
Year Lowest Occurred 1979 1998 1973 1975 1971 1991 1976 1971 1976 1972 2000 1971 1979
Mean Temperature (F) 56.1 59.9 64.6 71.2 80.7 89.8 94.8 93.1 87.3 74.9 62.7 55.5 74.2
Highest Mean Temperature (F) 59.4 63.5 70.1 77.2 86.3 92.2 95.2 95.3 90.3 80.0 68.0 59.9 95.3
Year Highest Occurred 1986 1991 1972 1989 1997 1994 1996 1994 2000 1988 1999 1980 1994
Lowest Mean Temperature (F) 48.5 53.5 56.1 62.2 73.0 84.9 90.0 87.7 80.1 68.5 56.8 49.7 48.5
Year Lowest Occurred 1979 1975 1973 1975 1971 1971 1984 1979 1985 1971 1979 1971 1979
Mean Min. Temperature (F) 44.8 48.4 53.0 57.6 67.4 75.6 82.9 81.6 75.6 62.1 50.4 43.9 61.9
Highest Mean Min. Temperature (F) 48.1 51.8 56.1 63.3 73.7 79.5 84.7 84.6 79.6 68.4 54.6 49.3 84.7
Year Highest Occurred 1993 1995 1972 1989 1997 1981 1977 1994 1997 1988 1995 1977 1977
Lowest Mean Min. Temperature (F) 36.9 41.2 46.3 50.4 60.7 70.9 77.6 75.1 68.7 57.5 43.9 38.8 36.9
Year Lowest Occurred 1972 1979 1979 1975 1971 1971 1987 1979 1985 1971 1979 1974 1972
Mean Precipitation (in.) 0.83 0.77 1.07 0.25 0.16 0.09 0.99 0.94 0.75 0.79 0.73 0.92 8.29
Highest Precipitation (in.) 5.22 2.93 3.17 1.13 1.06 1.70 5.15 3.50 3.36 4.40 2.79 3.08 5.22
Year Highest Occurred 1993 1998 1983 1999 1976 1972 1984 1995 1984 1972 1993 1992 1993
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 1976 2000 1984 2000 2000 1999 1995 1975 1988 1999 1999 2000 1976
Heating Degree Days (F) 290. 169. 100. 28. 1. 0. 0. 0. 0. 14. 121. 304. 1027.
Cooling Degree Days (F) 2. 15. 74. 226. 478. 745. 910. 859. 667. 336. 51. 1. 4364.

Western Regional Climate Center, wrcc@dri.edu