JACKSON FCWOS AP, TENNESSEE

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 46.9 52.7 62.0 71.6 79.5 87.3 90.8 90.0 83.6 73.4 60.7 50.8 70.8
Highest Mean Max. Temperature (F) 55.3 62.8 68.0 77.8 85.7 91.6 97.4 96.0 90.5 79.7 67.1 60.2 97.4
Year Highest Occurred 1990 1976 1974 1981 1977 1988 1980 1983 1998 1971 1990 1984 1980
Lowest Mean Max. Temperature (F) 34.6 39.1 56.2 63.9 74.3 82.4 87.4 84.4 77.2 67.4 53.6 38.7 34.6
Year Lowest Occurred 1977 1978 1975 1983 1976 1974 1994 1992 1974 1988 1976 2000 1977
Mean Temperature (F) 37.8 42.6 51.3 60.1 68.6 76.7 80.3 78.8 72.1 61.1 50.3 41.5 60.1
Highest Mean Temperature (F) 46.0 51.2 57.5 66.5 73.3 80.0 85.1 83.7 77.7 68.0 56.3 51.0 85.1
Year Highest Occurred 1990 1976 1973 1981 1977 1998 1980 1983 1998 1971 1985 1984 1980
Lowest Mean Temperature (F) 25.9 29.9 45.4 53.9 63.8 72.5 77.7 74.5 67.3 55.7 42.0 29.8 25.9
Year Lowest Occurred 1977 1978 1996 1983 1976 1974 2000 1992 1974 1987 1976 2000 1977
Mean Min. Temperature (F) 28.7 32.5 40.6 48.6 57.7 66.0 69.7 67.5 60.6 48.7 39.9 32.1 49.4
Highest Mean Min. Temperature (F) 37.5 40.1 47.3 55.2 63.8 69.2 72.7 71.7 65.6 56.8 47.2 41.7 72.7
Year Highest Occurred 1974 1990 1973 1981 1991 1998 1980 1995 1973 1984 1985 1984 1980
Lowest Mean Min. Temperature (F) 17.1 20.6 33.4 43.5 52.9 62.2 66.0 63.6 54.2 41.7 30.5 20.8 17.1
Year Lowest Occurred 1977 1978 1996 1997 1971 1988 2000 1976 1999 1987 1976 2000 1977
Mean Precipitation (in.) 4.33 4.25 5.13 5.11 5.64 5.19 4.74 2.88 3.76 3.32 5.07 5.36 54.78
Highest Precipitation (in.) 8.74 10.28 10.66 11.35 14.46 11.07 11.68 10.24 10.22 7.41 9.25 12.47 14.46
Year Highest Occurred 1989 1990 1997 1983 1974 1992 1975 1974 1977 1984 1973 1978 1974
Lowest Precipitation (in.) 0.66 1.30 1.80 1.84 1.46 0.56 0.12 0.78 0.42 0.57 1.64 0.85 0.12
Year Lowest Occurred 1986 1995 1982 1976 1977 1988 1983 1999 1999 1971 1998 1976 1983
Heating Degree Days (F) 842. 627. 432. 184. 50. 1. 0. 0. 19. 175. 444. 730. 3504.
Cooling Degree Days (F) 0. 0. 8. 37. 161. 349. 472. 426. 232. 53. 4. 0. 1742.

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