DAYTON, TENNESSEE

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 46.8 52.4 62.8 72.7 79.6 86.4 88.9 88.0 82.3 72.1 60.5 50.3 70.2
Highest Mean Max. Temperature (F) 56.2 62.5 68.8 77.4 87.5 90.0 96.2 96.4 87.9 80.3 65.5 58.3 72.0
Year Highest Occurred 1974 1976 1967 1981 1962 1988 1980 1980 1980 1963 1985 1984 1986
Lowest Mean Max. Temperature (F) 35.9 44.5 56.1 66.3 74.2 80.9 83.9 84.2 76.9 63.5 54.6 41.3 67.7
Year Lowest Occurred 1977 1978 1969 1983 1961 1989 1989 1967 1989 1988 1976 1963 1989
Mean Temperature (F) 36.8 41.1 50.3 58.9 66.5 73.7 77.0 76.2 70.5 59.2 49.4 40.4 58.3
Highest Mean Temperature (F) 48.0 48.4 55.5 63.7 71.8 77.1 82.3 81.7 75.2 66.3 57.3 48.4 60.4
Year Highest Occurred 1974 1990 1973 1981 1962 1986 1980 1980 1980 1984 1985 1971 1986
Lowest Mean Temperature (F) 26.0 34.3 42.5 53.8 63.0 69.9 72.9 73.0 66.6 52.6 42.2 31.5 56.8
Year Lowest Occurred 1977 1978 1969 1983 1989 1974 1967 1967 1967 1988 1976 1963 1976
Mean Min. Temperature (F) 26.7 29.8 37.7 45.1 53.2 61.0 65.0 64.3 58.6 46.2 38.2 30.5 46.4
Highest Mean Min. Temperature (F) 39.7 37.6 44.6 49.9 59.1 65.0 68.3 67.0 62.6 55.5 49.0 39.5 49.0
Year Highest Occurred 1974 1990 1973 1981 1987 1981 1980 1980 1986 1984 1985 1971 1990
Lowest Mean Min. Temperature (F) 16.1 22.3 28.9 41.0 49.9 57.2 61.6 61.2 52.9 39.7 29.8 21.6 44.0
Year Lowest Occurred 1977 1963 1969 1971 1973 1974 1967 1976 1967 1987 1976 1963 1976
Mean Precipitation (in.) 4.83 4.83 6.36 4.56 5.18 3.63 4.75 4.08 4.13 3.39 4.77 5.67 56.18
Highest Precipitation (in.) 9.45 9.13 13.56 9.13 10.41 11.24 10.13 10.14 13.37 8.53 8.86 14.04 76.89
Year Highest Occurred 1974 1962 1973 1977 1984 1989 1967 1982 1977 1975 1977 1990 1973
Lowest Precipitation (in.) 1.10 0.83 2.08 0.69 1.29 0.46 1.07 0.80 0.73 0.00 1.75 0.76 38.04
Year Lowest Occurred 1986 1968 1988 1976 1962 1988 1980 1980 1961 1963 1970 1965 1968
Heating Degree Days (F) 874. 669. 456. 196. 57. 0. 0. 0. 14. 210. 468. 763. 3707.
Cooling Degree Days (F) 0. 0. 0. 13. 104. 261. 372. 347. 179. 30. 0. 0. 1306.

Southeast Regional Climate Center, sercc@climate.ncsu.edu