RALEIGH 4 SW, NORTH CAROLINA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 50.8 54.6 63.7 72.8 79.7 85.9 88.7 87.6 82.6 72.9 63.9 54.3 71.5
Highest Mean Max. Temperature (F) 61.7 65.7 69.1 78.3 85.9 91.4 94.4 93.6 87.4 77.9 69.5 62.9 74.5
Year Highest Occurred 1974 1976 1974 1985 1962 1981 1986 1983 1970 1984 1985 1971 1990
Lowest Mean Max. Temperature (F) 39.5 45.0 58.0 67.0 75.5 82.4 85.3 84.5 78.8 67.5 57.7 45.4 69.8
Year Lowest Occurred 1977 1978 1969 1961 1972 1965 1984 1989 1967 1988 1976 1963 1969
Mean Temperature (F) 40.5 43.5 51.9 60.1 67.9 74.8 78.1 77.4 71.8 61.1 52.5 43.9 60.3
Highest Mean Temperature (F) 51.3 51.6 56.5 64.1 73.7 79.2 82.8 80.7 76.0 68.2 60.3 53.3 62.9
Year Highest Occurred 1974 1990 1974 1985 1962 1981 1986 1980 1970 1984 1985 1971 1990
Lowest Mean Temperature (F) 30.0 34.3 46.4 55.3 64.9 71.2 75.9 74.4 68.1 55.7 45.4 35.8 58.5
Year Lowest Occurred 1977 1978 1969 1983 1976 1972 1979 1981 1981 1988 1976 1989 1978
Mean Min. Temperature (F) 30.1 32.3 40.2 47.5 56.1 63.6 67.5 67.1 60.9 49.3 41.1 33.5 49.1
Highest Mean Min. Temperature (F) 40.8 39.9 44.9 50.6 61.9 67.2 71.2 70.8 64.8 58.4 51.0 43.7 51.5
Year Highest Occurred 1974 1990 1961 1964 1965 1986 1986 1988 1980 1984 1985 1971 1986
Lowest Mean Min. Temperature (F) 20.4 23.6 34.7 43.3 51.8 59.4 64.8 63.0 54.8 42.6 33.1 26.0 46.3
Year Lowest Occurred 1977 1978 1969 1983 1976 1972 1978 1981 1981 1974 1976 1989 1981
Mean Precipitation (in.) 3.76 3.86 4.07 2.92 4.44 4.03 4.78 4.38 3.36 3.17 3.32 3.40 45.49
Highest Precipitation (in.) 7.45 7.12 8.15 7.55 8.99 8.23 10.71 11.99 8.87 8.27 8.24 7.53 60.98
Year Highest Occurred 1987 1989 1983 1978 1984 1989 1975 1986 1979 1971 1963 1983 1989
Lowest Precipitation (in.) 1.02 0.82 1.53 0.16 1.30 0.62 0.85 0.51 0.28 0.35 0.69 0.37 30.96
Year Lowest Occurred 1981 1968 1988 1976 1987 1977 1966 1975 1990 1973 1973 1965 1981
Heating Degree Days (F) 760. 602. 410. 166. 36. 0. 0. 0. 6. 173. 375. 654. 3182.
Cooling Degree Days (F) 0. 0. 0. 19. 126. 294. 406. 384. 210. 52. 0. 0. 1491.

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