MERRILL, MISSISSIPPI

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 59.3 64.1 71.9 79.7 86.0 91.6 92.9 92.2 88.7 80.6 71.1 62.8 78.4
Highest Mean Max. Temperature (F) 69.5 73.2 77.4 86.0 91.2 96.8 95.6 96.0 94.4 87.8 76.4 70.1 80.5
Year Highest Occurred 1974 1962 1967 1967 1962 1969 1962 1990 1972 1963 1978 1984 1990
Lowest Mean Max. Temperature (F) 50.5 55.9 64.9 73.8 81.4 85.8 89.9 88.7 84.6 75.0 62.7 53.0 75.4
Year Lowest Occurred 1978 1978 1969 1983 1976 1983 1979 1984 1975 1976 1976 1989 1983
Mean Temperature (F) 46.8 50.4 58.3 65.7 72.0 78.2 80.4 79.8 75.6 64.7 56.4 49.5 64.8
Highest Mean Temperature (F) 60.9 60.7 63.8 70.6 75.8 81.0 83.1 82.3 80.4 70.2 62.9 59.7 66.5
Year Highest Occurred 1974 1962 1974 1967 1962 1963 1969 1963 1972 1984 1985 1971 1990
Lowest Mean Temperature (F) 38.7 41.9 51.0 60.9 69.1 74.5 77.3 76.7 71.7 55.3 48.8 40.9 62.7
Year Lowest Occurred 1977 1978 1969 1987 1981 1983 1967 1967 1967 1987 1976 1989 1983
Mean Min. Temperature (F) 34.2 36.6 44.7 51.7 58.0 64.6 67.8 67.4 62.4 48.7 41.7 36.3 51.2
Highest Mean Min. Temperature (F) 52.3 48.1 51.5 57.6 62.6 67.4 71.0 70.1 67.6 57.2 50.4 49.9 53.9
Year Highest Occurred 1974 1962 1974 1981 1974 1981 1969 1977 1973 1984 1985 1971 1974
Lowest Mean Min. Temperature (F) 26.0 27.9 37.0 43.0 50.8 61.6 62.3 62.8 55.6 31.6 34.9 26.2 48.4
Year Lowest Occurred 1977 1978 1969 1987 1988 1966 1990 1986 1987 1987 1976 1963 1988
Mean Precipitation (in.) 5.31 6.26 6.92 4.70 5.20 4.59 7.05 5.38 5.50 3.28 4.70 5.57 64.46
Highest Precipitation (in.) 9.92 16.60 15.79 17.32 14.81 10.33 13.13 10.61 15.50 11.37 11.62 13.38 102.35
Year Highest Occurred 1979 1961 1980 1983 1980 1978 1971 1961 1973 1985 1979 1961 1961
Lowest Precipitation (in.) 0.86 0.81 1.14 0.66 0.36 0.46 1.71 1.50 0.10 0.00 0.96 1.92 41.99
Year Lowest Occurred 1981 1989 1967 1965 1988 1969 1983 1989 1990 1987 1967 1980 1963
Heating Degree Days (F) 578. 418. 234. 74. 0. 0. 0. 0. 0. 114. 274. 494. 2186.
Cooling Degree Days (F) 13. 9. 27. 95. 221. 396. 477. 459. 318. 105. 16. 13. 2149.

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