JACKSON WSFO AIRPORT, MISSISSIPPI

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 55.1 60.3 68.1 75.0 82.1 88.9 91.4 91.4 86.4 76.8 66.3 57.9 75.0
Highest Mean Max. Temperature (F) 63.2 69.3 73.3 81.7 86.5 92.5 96.9 98.6 94.1 81.9 72.0 67.6 98.6
Year Highest Occurred 1999 1976 1997 1981 1996 1998 1980 2000 1980 1998 1990 1984 2000
Lowest Mean Max. Temperature (F) 43.4 49.6 63.5 70.2 77.5 84.1 87.7 87.1 79.2 71.1 57.5 49.0 43.4
Year Lowest Occurred 1978 1978 1993 1983 1976 1974 1989 1992 1974 1976 1976 2000 1978
Mean Temperature (F) 45.0 49.2 56.8 63.4 71.5 78.5 81.4 80.9 75.5 64.4 54.8 47.6 64.1
Highest Mean Temperature (F) 53.9 55.6 61.5 70.4 75.7 82.2 85.4 85.0 82.0 70.7 62.0 57.7 85.4
Year Highest Occurred 1974 1976 1982 1981 1996 1998 1980 2000 1980 1984 1985 1984 1980
Lowest Mean Temperature (F) 34.8 39.1 51.3 59.5 66.8 73.8 78.9 76.9 70.7 58.4 45.7 38.5 34.8
Year Lowest Occurred 1977 1978 1971 1983 1971 1974 1994 1992 1974 1976 1976 2000 1977
Mean Min. Temperature (F) 35.0 38.2 45.4 51.7 61.0 68.1 71.4 70.3 64.6 52.0 43.4 37.3 53.2
Highest Mean Min. Temperature (F) 45.3 45.1 51.6 59.1 66.9 71.8 73.9 73.0 70.4 60.8 52.9 47.9 73.9
Year Highest Occurred 1974 1990 1982 1981 1991 1998 1980 1995 1998 1984 1985 1984 1980
Lowest Mean Min. Temperature (F) 26.0 28.6 38.7 47.4 54.1 63.4 68.3 66.7 59.5 43.2 33.9 28.0 26.0
Year Lowest Occurred 1977 1978 1971 1987 1971 1974 1972 1992 1975 1987 1976 2000 1977
Mean Precipitation (in.) 5.67 4.50 5.74 5.98 4.86 3.82 4.69 3.66 3.23 3.42 5.04 5.34 55.95
Highest Precipitation (in.) 14.10 10.28 15.13 15.95 10.48 8.45 13.25 8.33 6.00 8.25 9.98 17.70 17.70
Year Highest Occurred 1979 1987 1976 1991 1978 1997 1979 1992 1971 1975 1977 1982 1982
Lowest Precipitation (in.) 0.75 1.29 2.11 1.21 0.29 0.10 1.04 0.26 0.93 0.09 0.51 0.91 0.09
Year Lowest Occurred 1986 2000 1992 1987 1988 1988 1987 2000 1984 1971 1985 1980 1971
Heating Degree Days (F) 611. 440. 272. 115. 11. 0. 0. 0. 7. 102. 315. 528. 2401.
Cooling Degree Days (F) 0. 8. 32. 82. 228. 419. 524. 505. 338. 99. 25. 4. 2264.

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