MARICOPA 4 N, ARIZONA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 66.7 71.7 77.4 86.2 95.1 105.0 106.7 104.6 100.0 88.7 75.2 66.5 87.0
Highest Mean Max. Temperature (F) 74.3 76.7 88.1 94.6 101.7 109.0 109.3 108.1 104.3 95.0 83.6 75.3 109.3
Year Highest Occurred 1986 1991 1972 1989 1984 1974 2000 1995 1979 1999 1999 1980 2000
Lowest Mean Max. Temperature (F) 57.4 64.8 66.9 78.2 89.1 100.1 102.6 100.3 94.7 81.8 67.1 61.1 57.4
Year Lowest Occurred 1979 1998 1973 1975 1977 1991 1984 1971 1976 1971 2000 1978 1979
Mean Temperature (F) 50.9 55.3 60.5 67.7 76.7 86.2 91.4 89.6 83.2 70.7 57.4 50.3 70.0
Highest Mean Temperature (F) 55.3 60.0 67.4 75.4 83.5 90.0 94.3 93.8 87.4 76.7 62.9 55.0 94.3
Year Highest Occurred 1986 1996 1972 1989 1997 1994 1996 1994 2000 1988 1995 1980 1996
Lowest Mean Temperature (F) 47.3 51.1 53.7 60.5 71.2 81.3 88.7 85.5 78.3 65.4 51.9 46.0 46.0
Year Lowest Occurred 1979 1974 1973 1975 1977 1991 1987 1979 1985 1971 2000 1974 1974
Mean Min. Temperature (F) 35.0 38.8 43.6 49.2 58.2 67.4 76.1 74.6 66.3 52.7 39.6 34.0 53.0
Highest Mean Min. Temperature (F) 44.3 44.2 48.4 56.1 65.4 72.0 79.4 79.7 72.8 60.2 45.4 40.9 79.7
Year Highest Occurred 1993 1996 1978 1989 1997 1986 1996 1994 1997 1988 1995 1991 1994
Lowest Mean Min. Temperature (F) 27.1 31.0 38.3 42.7 52.3 60.2 71.2 67.8 58.4 44.9 34.3 29.2 27.1
Year Lowest Occurred 1972 1974 1977 1975 1975 1973 1987 1979 1973 1973 1979 1974 1972
Mean Precipitation (in.) 0.75 0.80 1.04 0.26 0.14 0.11 0.96 0.89 0.76 0.66 0.63 0.98 7.98
Highest Precipitation (in.) 2.74 3.69 3.59 1.52 1.50 1.21 4.54 2.39 2.45 3.57 3.44 3.19 4.54
Year Highest Occurred 1993 1998 1992 1988 1994 2000 1984 1997 1983 1972 1993 1986 1984
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 2000 1989 1987 2000 2000 1998 1995 1977 1988 1999 1999 2000 2000
Heating Degree Days (F) 439. 276. 188. 71. 8. 0. 0. 0. 0. 35. 242. 458. 1717.
Cooling Degree Days (F) 0. 3. 50. 152. 368. 635. 818. 763. 544. 211. 14. 0. 3558.

Western Regional Climate Center, wrcc@dri.edu