RICHTON 3 SSE, MISSISSIPPI

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 58.3 62.5 70.4 78.1 84.1 90.0 91.8 91.3 87.5 79.2 70.0 61.6 77.1
Highest Mean Max. Temperature (F) 68.8 72.7 75.9 83.1 89.6 93.5 95.4 95.4 94.7 86.0 76.6 69.6 78.6
Year Highest Occurred 1974 1962 1963 1967 1962 1977 1962 1980 1972 1963 1978 1984 1972
Lowest Mean Max. Temperature (F) 48.7 54.4 63.3 73.2 79.3 86.3 87.2 87.1 81.9 74.4 61.9 51.9 74.7
Year Lowest Occurred 1978 1978 1969 1983 1976 1983 1989 1967 1967 1976 1976 1989 1983
Mean Temperature (F) 45.7 49.1 56.9 64.3 71.0 77.3 79.9 79.4 75.0 64.2 55.7 48.6 63.9
Highest Mean Temperature (F) 57.6 59.2 62.0 69.6 74.4 80.1 82.5 81.5 80.7 71.1 63.7 57.9 66.0
Year Highest Occurred 1974 1962 1985 1967 1987 1981 1980 1980 1980 1984 1985 1971 1982
Lowest Mean Temperature (F) 37.0 41.9 49.4 60.2 67.2 74.8 76.8 76.4 69.8 57.3 48.4 39.5 62.0
Year Lowest Occurred 1977 1978 1969 1983 1976 1966 1967 1967 1967 1987 1976 1963 1968
Mean Min. Temperature (F) 33.1 35.6 43.3 50.5 57.8 64.6 67.9 67.4 62.5 49.1 41.4 35.5 50.7
Highest Mean Min. Temperature (F) 46.4 45.7 49.8 56.0 62.6 68.7 70.5 70.2 66.9 58.8 52.5 47.5 53.6
Year Highest Occurred 1974 1962 1982 1967 1987 1981 1969 1983 1980 1985 1985 1971 1982
Lowest Mean Min. Temperature (F) 23.9 27.7 35.5 44.2 51.3 61.2 65.1 64.7 56.8 36.7 34.3 24.8 48.0
Year Lowest Occurred 1977 1963 1969 1987 1988 1966 1972 1973 1968 1987 1970 1963 1968
Mean Precipitation (in.) 5.68 5.64 6.44 4.89 4.63 3.97 6.33 4.72 4.57 2.84 4.77 5.77 60.25
Highest Precipitation (in.) 11.26 14.78 13.41 16.34 9.37 8.22 14.53 7.87 12.76 9.73 10.46 14.68 91.96
Year Highest Occurred 1979 1961 1980 1983 1978 1964 1979 1961 1985 1985 1979 1961 1979
Lowest Precipitation (in.) 0.82 1.48 2.03 0.75 0.38 0.89 1.53 1.29 0.22 0.00 0.73 0.82 35.66
Year Lowest Occurred 1981 1989 1982 1963 1988 1966 1966 1989 1984 1978 1981 1980 1963
Heating Degree Days (F) 607. 451. 274. 92. 6. 0. 0. 0. 0. 114. 297. 518. 2359.
Cooling Degree Days (F) 9. 6. 23. 71. 192. 369. 462. 446. 304. 90. 18. 9. 1999.

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