ROCKY MOUNT EXP FARM, NORTH CAROLINA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 51.3 54.5 62.9 72.4 79.2 86.0 89.7 87.6 82.3 73.2 64.2 54.9 71.5
Highest Mean Max. Temperature (F) 60.9 64.2 69.1 80.3 84.6 91.9 94.6 92.1 86.1 78.7 71.9 64.3 94.6
Year Highest Occurred 1974 1976 1985 1985 1985 1989 1987 1980 1980 1984 1985 1984 1987
Lowest Mean Max. Temperature (F) 39.8 42.5 57.1 66.6 74.6 80.4 84.7 83.7 79.6 67.8 57.2 43.3 39.8
Year Lowest Occurred 1977 1978 1980 1983 1992 1979 1984 1981 1999 1976 1976 1989 1977
Mean Temperature (F) 41.1 43.6 51.0 59.4 67.6 75.0 79.2 77.3 71.5 61.1 52.4 44.3 60.3
Highest Mean Temperature (F) 51.3 51.2 55.6 62.9 72.6 79.6 82.6 80.2 75.3 67.2 60.3 53.1 82.6
Year Highest Occurred 1974 1976 1976 1994 1991 1989 1993 1988 1980 1984 1985 1971 1993
Lowest Mean Temperature (F) 30.7 32.7 46.4 55.7 63.4 70.5 75.7 74.1 68.1 56.9 45.0 34.6 30.7
Year Lowest Occurred 1977 1978 1984 1975 1992 1979 1984 1981 1982 1976 1976 1989 1977
Mean Min. Temperature (F) 30.8 32.7 39.1 46.4 56.0 63.9 68.6 66.9 60.7 48.9 40.6 33.7 49.0
Highest Mean Min. Temperature (F) 41.7 38.6 45.0 49.8 60.8 68.8 71.5 69.2 64.5 58.9 48.7 42.3 71.5
Year Highest Occurred 1974 1990 1973 1991 1991 1981 1991 1988 1980 1971 1985 1971 1991
Lowest Mean Min. Temperature (F) 21.4 22.8 33.7 42.1 52.2 59.9 65.5 63.2 55.8 42.0 32.8 25.9 21.4
Year Lowest Occurred 1988 1978 1981 1971 1992 1972 1985 1985 1981 1981 1976 1989 1988
Mean Precipitation (in.) 4.13 3.40 4.35 3.17 3.82 3.95 4.88 4.40 5.32 3.03 2.83 3.23 46.51
Highest Precipitation (in.) 7.96 6.47 7.62 8.00 9.06 12.12 11.41 13.19 34.82 10.31 5.83 7.49 34.82
Year Highest Occurred 1987 1983 1994 1989 1984 1995 1985 1986 1999 1971 1992 1973 1999
Lowest Precipitation (in.) 1.65 0.70 1.30 0.24 1.38 0.87 1.54 0.94 0.39 0.03 0.54 0.31 0.03
Year Lowest Occurred 1981 1991 1985 1985 1985 1971 1987 1993 1990 2000 1981 1988 2000
Heating Degree Days (F) 742. 600. 436. 182. 43. 3. 0. 0. 10. 172. 386. 641. 3215.
Cooling Degree Days (F) 0. 0. 2. 13. 124. 301. 439. 379. 204. 49. 7. 0. 1518.

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