DURHAM, NORTH CAROLINA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 49.2 53.4 62.1 71.3 78.6 85.0 88.6 86.8 81.0 71.4 62.0 52.7 70.2
Highest Mean Max. Temperature (F) 58.3 63.2 70.5 77.1 82.7 88.1 94.6 91.5 85.6 75.6 67.8 60.3 94.6
Year Highest Occurred 1974 1976 1997 1985 1982 1981 1993 1980 1973 1973 1985 1984 1993
Lowest Mean Max. Temperature (F) 38.3 43.6 56.3 65.4 73.3 80.9 83.2 82.5 75.6 66.6 54.5 42.2 38.3
Year Lowest Occurred 1977 1978 1993 1983 1992 1979 2000 1992 2000 1988 1995 1989 1977
Mean Temperature (F) 38.5 41.5 49.6 58.6 67.1 75.2 79.4 77.4 70.7 59.0 49.7 41.6 59.0
Highest Mean Temperature (F) 49.0 48.4 55.8 63.0 72.3 78.9 83.8 81.4 74.0 65.0 57.8 49.2 83.8
Year Highest Occurred 1974 1990 1997 1985 1991 1987 1993 1987 1973 1984 1985 1971 1993
Lowest Mean Temperature (F) 28.2 33.9 44.5 54.9 62.7 72.0 74.4 73.7 66.8 52.3 42.5 32.1 28.2
Year Lowest Occurred 1977 1978 1996 1983 1992 1979 2000 2000 1999 1988 1976 1989 1977
Mean Min. Temperature (F) 27.8 29.5 37.0 45.8 55.6 65.4 70.1 67.9 60.3 46.6 37.4 30.4 47.8
Highest Mean Min. Temperature (F) 39.6 35.4 43.7 51.8 62.4 71.5 73.4 72.2 64.3 57.0 47.9 39.2 73.4
Year Highest Occurred 1974 1990 1973 1987 1991 1987 1986 1987 1971 1971 1985 1971 1986
Lowest Mean Min. Temperature (F) 18.0 22.5 30.2 41.9 50.9 61.3 65.6 62.9 53.5 37.9 28.3 22.0 18.0
Year Lowest Occurred 1977 1980 1981 1993 1989 1988 2000 1981 1976 1988 1976 1989 1977
Mean Precipitation (in.) 4.44 3.70 4.68 3.41 4.59 4.01 3.95 4.38 4.36 3.71 3.38 3.43 48.04
Highest Precipitation (in.) 10.67 8.23 9.39 7.29 7.96 10.03 8.65 13.84 16.53 9.39 13.52 7.68 16.53
Year Highest Occurred 1998 1979 1983 1987 1974 1982 1975 1986 1999 1971 1985 1983 1999
Lowest Precipitation (in.) 0.97 1.01 1.14 0.60 0.74 0.52 0.74 0.72 0.17 0.16 0.63 0.38 0.16
Year Lowest Occurred 1981 1978 1985 1985 1999 1990 1983 1997 1990 2000 1981 1988 2000
Heating Degree Days (F) 821. 659. 480. 207. 50. 2. 0. 0. 21. 222. 460. 728. 3650.
Cooling Degree Days (F) 0. 0. 1. 13. 115. 306. 445. 382. 190. 37. 2. 0. 1491.

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