WINONA 5 E, MISSISSIPPI

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 51.4 56.6 64.8 72.0 78.6 85.3 88.6 88.5 83.4 74.2 63.6 54.6 71.8
Highest Mean Max. Temperature (F) 58.7 65.0 70.1 78.8 83.2 89.5 93.2 96.4 88.5 79.5 70.2 64.0 96.4
Year Highest Occurred 1989 1976 2000 1981 1977 1977 2000 2000 1998 1998 1999 1984 2000
Lowest Mean Max. Temperature (F) 40.5 46.0 59.3 65.9 72.7 81.0 84.5 83.4 76.3 68.5 55.8 45.5 40.5
Year Lowest Occurred 1977 1978 1978 1983 1976 1974 1989 1992 1974 1976 1976 1983 1977
Mean Temperature (F) 40.0 43.9 51.7 58.6 66.8 74.1 77.8 76.8 71.0 59.9 50.4 42.8 59.5
Highest Mean Temperature (F) 47.0 50.3 57.4 64.9 71.3 77.6 81.0 80.9 75.7 66.1 56.6 52.1 81.0
Year Highest Occurred 1974 1976 1974 1981 1987 1998 1980 2000 1998 1984 1985 1984 1980
Lowest Mean Temperature (F) 29.2 33.9 45.8 53.4 61.1 69.9 74.7 73.3 66.4 54.1 41.9 33.2 29.2
Year Lowest Occurred 1977 1978 1971 1983 1976 1974 1972 1992 1974 1976 1976 1989 1977
Mean Min. Temperature (F) 28.5 31.2 38.5 45.1 55.0 62.9 67.0 65.0 58.5 45.5 37.2 30.9 47.1
Highest Mean Min. Temperature (F) 37.4 38.2 45.0 52.8 62.4 67.4 70.9 69.2 63.3 54.6 46.2 41.2 70.9
Year Highest Occurred 1974 1990 1974 1999 1991 1998 1998 1995 1972 1984 1985 1971 1998
Lowest Mean Min. Temperature (F) 17.8 21.8 31.4 40.9 49.5 57.9 63.4 60.6 54.2 35.8 27.9 20.6 17.8
Year Lowest Occurred 1977 1978 1971 1983 1976 1988 1976 1976 1981 1987 1976 1989 1977
Mean Precipitation (in.) 5.41 4.65 6.36 5.52 5.05 4.27 4.48 3.16 3.62 3.32 5.07 6.13 57.04
Highest Precipitation (in.) 12.54 9.42 18.25 16.94 15.66 14.25 11.58 8.09 8.37 11.46 12.35 19.35 19.35
Year Highest Occurred 1999 1971 1973 1991 1983 1989 1989 1995 1977 1984 1973 1982 1982
Lowest Precipitation (in.) 0.60 1.14 1.83 0.69 1.02 0.08 0.38 0.31 0.35 0.13 1.60 0.72 0.08
Year Lowest Occurred 1986 1972 1982 1987 1992 1988 2000 1981 1984 1978 1999 1980 1988
Heating Degree Days (F) 777. 591. 418. 213. 60. 2. 0. 0. 21. 199. 439. 690. 3410.
Cooling Degree Days (F) 0. 0. 5. 19. 117. 275. 395. 365. 200. 39. 2. 0. 1417.

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