CAPE HATTERAS WSO, NORTH CAROLINA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 53.6 54.6 60.2 67.7 74.9 81.5 85.4 84.8 81.1 72.6 64.8 57.3 69.9
Highest Mean Max. Temperature (F) 62.1 62.4 64.8 74.1 81.5 85.6 89.2 87.4 83.6 77.5 72.7 64.3 89.2
Year Highest Occurred 1974 1990 1990 1994 1991 1994 1993 1978 1993 1990 1985 1990 1993
Lowest Mean Max. Temperature (F) 43.5 42.5 53.8 63.6 71.6 76.6 83.2 82.1 78.7 68.7 57.8 49.2 42.5
Year Lowest Occurred 1977 1978 1996 1987 1997 1997 1996 1981 1982 1988 1996 1989 1978
Mean Temperature (F) 46.1 46.8 52.4 59.8 67.6 74.8 79.2 78.6 74.8 65.7 57.6 50.0 62.8
Highest Mean Temperature (F) 55.5 54.4 57.3 65.7 73.4 78.3 81.9 80.8 77.3 71.4 66.6 56.3 81.9
Year Highest Occurred 1974 1990 1976 1994 1991 1981 1993 1988 1977 1985 1985 1994 1993
Lowest Mean Temperature (F) 35.8 35.7 45.4 54.7 64.3 70.2 77.3 75.9 71.5 61.5 49.9 41.3 35.7
Year Lowest Occurred 1977 1978 1981 1971 1992 1997 1974 1976 1981 1988 1976 1989 1978
Mean Min. Temperature (F) 38.6 39.0 44.5 51.8 60.2 68.1 72.9 72.3 68.5 58.8 50.3 42.6 55.6
Highest Mean Min. Temperature (F) 48.9 46.3 50.0 57.2 65.3 71.9 76.2 75.0 71.1 66.4 60.4 50.2 76.2
Year Highest Occurred 1974 1990 1976 1994 1991 1981 1999 1999 1977 1985 1985 1994 1999
Lowest Mean Min. Temperature (F) 27.8 28.8 35.9 44.7 56.3 63.7 70.1 69.6 63.4 53.2 41.9 33.4 27.8
Year Lowest Occurred 1981 1978 1981 1971 1971 1988 1973 1976 1976 1974 1976 1989 1981
Mean Precipitation (in.) 5.84 3.94 4.95 3.29 3.92 3.82 4.95 6.56 5.68 5.31 4.93 4.56 57.75
Highest Precipitation (in.) 12.45 8.45 11.20 9.57 11.44 9.14 10.85 16.10 20.00 15.05 16.20 8.52 20.00
Year Highest Occurred 1991 1983 1989 1989 1972 1995 1998 1986 1989 1985 1985 1973 1989
Lowest Precipitation (in.) 1.75 1.06 1.22 0.44 0.35 0.38 1.08 0.99 0.08 0.53 0.85 0.64 0.08
Year Lowest Occurred 1981 1991 1986 1995 1987 1978 1995 1983 1986 1984 1998 1985 1986
Heating Degree Days (F) 587. 518. 400. 187. 44. 3. 0. 0. 2. 72. 244. 464. 2521.
Cooling Degree Days (F) 0. 1. 5. 29. 122. 297. 440. 422. 297. 96. 24. 4. 1737.

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