HAPPY JACK RS, ARIZONA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 40.3 42.6 47.0 54.3 63.6 75.2 78.8 76.0 70.5 60.4 48.2 41.2 58.2
Highest Mean Max. Temperature (F) 47.9 48.7 59.5 63.5 71.5 82.6 83.1 80.8 76.8 66.5 58.3 47.3 83.1
Year Highest Occurred 1986 1999 1972 1989 2000 1974 1971 1994 2000 1999 1999 1979 1971
Lowest Mean Max. Temperature (F) 33.5 37.7 37.8 46.0 57.7 69.1 72.6 71.6 63.1 51.3 41.8 34.8 33.5
Year Lowest Occurred 1979 1993 1973 1983 1980 1991 1986 1984 1986 1984 2000 1971 1979
Mean Temperature (F) 27.5 29.5 33.6 40.3 48.5 57.9 63.7 61.9 56.0 45.8 35.0 28.4 44.0
Highest Mean Temperature (F) 35.3 41.3 41.5 47.0 54.6 63.8 66.6 66.3 60.7 50.7 42.9 34.6 66.6
Year Highest Occurred 1986 1991 1972 1989 2000 1974 1996 1994 2000 1988 1995 1980 1996
Lowest Mean Temperature (F) 19.7 24.5 24.4 33.2 43.0 52.9 59.9 59.7 51.0 39.7 29.0 21.8 19.7
Year Lowest Occurred 1979 1985 1973 1975 1977 1991 1992 1989 1986 1984 1972 1978 1979
Mean Min. Temperature (F) 14.6 16.4 20.1 26.2 33.3 40.6 48.6 47.8 41.4 31.1 21.8 15.6 29.8
Highest Mean Min. Temperature (F) 22.6 23.6 26.2 30.5 38.7 46.1 52.8 52.2 45.9 35.5 28.3 22.1 52.8
Year Highest Occurred 1986 1996 1995 1989 1997 1994 1996 1995 1983 1988 1995 1980 1996
Lowest Mean Min. Temperature (F) 5.8 10.1 11.0 19.9 27.3 36.6 44.6 44.2 37.1 26.9 16.1 7.6 5.8
Year Lowest Occurred 1979 1985 1973 1975 1977 1991 1987 1976 1985 1982 1972 1978 1979
Mean Precipitation (in.) 3.26 3.10 3.69 1.56 0.96 0.44 2.55 3.01 2.36 2.04 2.13 2.43 27.53
Highest Precipitation (in.) 12.56 8.51 11.06 3.97 3.83 2.87 6.05 7.43 6.55 9.04 6.41 7.72 12.56
Year Highest Occurred 1993 1980 1973 1988 1979 2000 1986 1992 1996 1972 1978 1982 1993
Lowest Precipitation (in.) 0.00 0.08 0.00 0.00 0.00 0.00 0.10 0.46 0.01 0.00 0.00 0.03 0.00
Year Lowest Occurred 1972 1972 1997 1991 1991 1998 1993 1985 1973 1999 1989 1999 1972
Heating Degree Days (F) 1164. 988. 976. 743. 514. 230. 75. 117. 274. 597. 900. 1136. 7714.
Cooling Degree Days (F) 0. 0. 0. 0. 1. 18. 34. 21. 3. 0. 0. 0. 77.

Western Regional Climate Center, wrcc@dri.edu