TUCSON CP AVE EXP FM, ARIZONA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 66.2 69.9 74.2 82.4 91.1 100.1 100.7 98.5 95.1 86.0 74.6 66.6 83.8
Highest Mean Max. Temperature (F) 73.8 74.7 84.0 88.1 96.6 105.0 103.9 102.8 99.7 91.6 80.0 75.7 86.2
Year Highest Occurred 1986 1981 1972 1962 1984 1974 1978 1962 1979 1965 1981 1980 1981
Lowest Mean Max. Temperature (F) 60.3 63.1 66.4 75.6 87.4 94.8 96.1 94.5 91.1 79.0 69.0 60.5 82.1
Year Lowest Occurred 1979 1966 1973 1983 1977 1965 1984 1989 1964 1971 1972 1971 1983
Mean Temperature (F) 49.7 52.7 57.0 63.8 72.0 81.3 85.9 84.0 79.5 68.5 57.1 50.3 66.8
Highest Mean Temperature (F) 55.0 57.6 63.4 69.5 77.9 86.6 88.5 87.4 83.6 73.0 60.8 56.4 69.7
Year Highest Occurred 1981 1968 1972 1981 1984 1990 1980 1981 1983 1978 1965 1980 1981
Lowest Mean Temperature (F) 45.3 45.8 51.2 59.1 68.1 75.3 82.6 80.5 76.0 63.0 51.8 46.4 64.4
Year Lowest Occurred 1964 1964 1973 1975 1965 1965 1984 1968 1985 1970 1972 1974 1964
Mean Min. Temperature (F) 33.1 35.5 39.7 45.1 52.9 62.5 71.2 69.5 63.8 50.9 39.6 33.8 49.8
Highest Mean Min. Temperature (F) 40.0 42.5 46.2 51.9 59.1 69.3 73.9 73.5 69.5 56.5 43.9 39.3 53.1
Year Highest Occurred 1981 1968 1978 1981 1984 1981 1977 1981 1983 1977 1965 1977 1981
Lowest Mean Min. Temperature (F) 25.2 25.6 34.1 39.5 47.5 55.8 66.5 64.9 58.6 43.8 33.7 29.1 46.4
Year Lowest Occurred 1964 1964 1962 1970 1965 1965 1973 1972 1972 1970 1979 1974 1964
Mean Precipitation (in.) 0.97 0.92 0.92 0.37 0.17 0.19 2.04 2.18 1.24 1.17 0.76 1.43 12.36
Highest Precipitation (in.) 3.52 2.73 2.90 1.36 0.89 1.67 6.20 5.99 3.98 6.05 2.04 6.77 20.99
Year Highest Occurred 1979 1980 1973 1988 1978 1972 1984 1971 1974 1983 1978 1965 1978
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.17 0.25 0.00 0.00 0.00 0.00 6.81
Year Lowest Occurred 1986 1984 1984 1989 1988 1989 1987 1977 1979 1982 1980 1981 1975
Heating Degree Days (F) 474. 344. 262. 101. 8. 0. 0. 0. 0. 34. 243. 456. 1922.
Cooling Degree Days (F) 0. 0. 14. 65. 225. 489. 648. 589. 435. 142. 6. 0. 2613.

Western Regional Climate Center, wrcc@dri.edu