NEPTUNE 3 S, TENNESSEE

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 47.0 52.4 63.2 71.7 80.3 87.3 90.2 89.6 83.8 73.5 62.1 51.6 71.1
Highest Mean Max. Temperature (F) 56.1 64.0 69.5 78.5 88.3 92.9 96.7 98.2 89.5 83.4 68.2 61.3 73.3
Year Highest Occurred 1989 1976 1976 1967 1962 1988 1986 1983 1970 1963 1990 1984 1986
Lowest Mean Max. Temperature (F) 34.3 38.3 53.4 63.4 76.1 81.5 84.3 84.3 74.0 66.4 55.5 39.1 67.7
Year Lowest Occurred 1977 1978 1965 1983 1961 1974 1990 1967 1989 1988 1989 1989 1989
Mean Temperature (F) 35.6 39.8 49.5 57.3 66.3 73.9 77.6 76.5 70.5 59.2 49.7 40.0 58.0
Highest Mean Temperature (F) 46.1 50.0 56.6 63.3 73.5 77.0 82.3 82.0 75.5 66.9 56.6 49.9 60.4
Year Highest Occurred 1974 1976 1973 1967 1987 1986 1986 1983 1970 1971 1985 1984 1986
Lowest Mean Temperature (F) 23.7 27.2 40.1 51.8 61.2 69.8 73.1 71.8 64.5 52.3 43.2 28.4 55.1
Year Lowest Occurred 1977 1978 1969 1983 1971 1974 1990 1967 1989 1988 1976 1963 1989
Mean Min. Temperature (F) 24.2 27.1 35.9 42.9 52.3 60.5 65.0 63.3 57.1 44.9 37.1 28.2 44.9
Highest Mean Min. Temperature (F) 38.3 36.0 44.3 48.0 59.2 65.3 68.3 67.5 62.9 54.6 46.5 38.4 47.9
Year Highest Occurred 1974 1976 1973 1967 1987 1981 1977 1980 1973 1984 1985 1984 1973
Lowest Mean Min. Temperature (F) 13.0 16.1 25.4 36.1 45.6 55.3 61.9 57.9 52.3 38.1 29.8 15.3 41.7
Year Lowest Occurred 1977 1978 1969 1989 1971 1988 1990 1969 1967 1988 1976 1963 1969
Mean Precipitation (in.) 3.62 4.31 5.52 4.35 4.65 3.82 4.43 3.32 3.56 3.02 4.66 5.11 50.37
Highest Precipitation (in.) 9.23 10.99 14.69 8.98 10.88 8.52 8.24 7.24 10.19 7.19 11.26 12.38 66.74
Year Highest Occurred 1974 1962 1975 1979 1983 1989 1972 1966 1974 1984 1973 1990 1979
Lowest Precipitation (in.) 0.93 0.90 1.40 1.14 1.26 0.15 0.40 0.46 0.00 0.03 0.93 1.14 35.80
Year Lowest Occurred 1986 1968 1987 1976 1987 1988 1983 1965 1978 1963 1976 1965 1963
Heating Degree Days (F) 911. 706. 492. 249. 90. 0. 0. 0. 27. 226. 459. 775. 3935.
Cooling Degree Days (F) 0. 0. 11. 18. 130. 267. 391. 357. 192. 47. 0. 0. 1413.

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