RICHTON 3 SSE, MISSISSIPPI

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 59.4 63.7 71.0 77.4 83.9 89.6 91.8 91.6 87.8 79.4 69.7 61.8 77.3
Highest Mean Max. Temperature (F) 68.8 70.8 76.6 82.1 87.9 94.5 95.6 95.8 94.7 83.4 76.6 69.6 95.8
Year Highest Occurred 1974 1976 1997 1999 1996 1998 2000 2000 1972 1998 1978 1984 2000
Lowest Mean Max. Temperature (F) 48.7 54.4 65.3 73.1 79.3 86.3 86.8 87.4 83.8 74.4 61.9 51.9 48.7
Year Lowest Occurred 1978 1978 1993 1993 1976 1983 1994 1992 1974 1976 1976 1989 1978
Mean Temperature (F) 47.1 50.4 57.6 63.6 71.2 77.5 80.2 79.7 75.4 64.7 55.9 49.1 64.4
Highest Mean Temperature (F) 57.2 55.6 62.9 68.9 74.9 82.0 83.0 82.6 80.7 71.1 63.7 57.9 83.0
Year Highest Occurred 1974 1990 1997 1981 2000 1998 1998 1995 1980 1984 1985 1971 1998
Lowest Mean Temperature (F) 37.0 41.9 52.0 59.2 67.2 74.9 77.5 76.8 72.1 57.3 48.4 39.9 37.0
Year Lowest Occurred 1977 1978 1971 1993 1976 1976 1994 1992 1975 1987 1976 1989 1977
Mean Min. Temperature (F) 34.8 37.0 44.1 49.7 58.5 65.4 68.6 67.8 62.9 50.0 42.1 36.3 51.4
Highest Mean Min. Temperature (F) 45.6 44.3 49.8 55.7 65.3 69.5 71.4 70.5 68.2 58.8 52.5 47.5 71.4
Year Highest Occurred 1974 1990 1982 1981 1991 1998 1998 1995 1998 1985 1985 1971 1998
Lowest Mean Min. Temperature (F) 23.9 29.3 37.1 44.2 51.3 62.1 65.1 64.7 58.9 36.7 34.8 27.9 23.9
Year Lowest Occurred 1977 1978 1971 1987 1988 1988 1972 1973 1999 1987 1976 1989 1977
Mean Precipitation (in.) 6.71 5.12 6.44 5.07 4.96 3.91 6.07 3.80 4.63 2.92 5.11 4.99 59.73
Highest Precipitation (in.) 11.47 10.85 13.41 16.34 15.93 8.18 14.53 7.69 12.76 9.73 10.46 10.97 16.34
Year Highest Occurred 1991 1983 1980 1983 1991 1991 1979 1987 1985 1985 1979 1971 1983
Lowest Precipitation (in.) 0.82 1.35 2.03 0.96 0.38 1.18 1.56 1.29 0.22 0.00 0.73 0.82 0.00
Year Lowest Occurred 1981 2000 1982 1987 1988 1986 1997 1989 1984 1978 1981 1980 1978
Heating Degree Days (F) 566. 410. 251. 99. 12. 0. 0. 0. 3. 106. 297. 505. 2249.
Cooling Degree Days (F) 0. 0. 21. 55. 204. 375. 471. 457. 313. 96. 22. 9. 2023.

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