CHARLOTTE AMALIE HAR, VIRGIN ISLANDS

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 84.8 84.9 85.6 86.2 86.6 88.2 89.0 89.4 89.0 88.5 87.2 85.4 87.1
Highest Mean Max. Temperature (F) 87.7 88.4 88.9 89.6 89.1 92.7 93.0 92.6 92.5 91.7 90.9 87.7 88.9
Year Highest Occurred 1981 1979 1984 1984 1973 1979 1979 1990 1983 1983 1990 1989 1983
Lowest Mean Max. Temperature (F) 81.2 80.8 81.3 81.4 82.4 83.6 84.3 84.8 85.8 85.7 84.4 82.6 83.7
Year Lowest Occurred 1969 1968 1968 1966 1968 1968 1965 1968 1965 1967 1974 1965 1968
Mean Temperature (F) 78.4 78.5 79.1 80.0 80.9 82.5 83.3 83.3 82.7 82.1 80.8 79.1 80.9
Highest Mean Temperature (F) 81.5 82.5 83.6 85.6 83.5 86.5 86.6 85.6 85.1 83.9 83.2 81.0 82.2
Year Highest Occurred 1970 1970 1970 1970 1973 1979 1979 1990 1987 1987 1990 1987 1979
Lowest Mean Temperature (F) 75.9 76.1 76.5 77.4 78.6 80.3 80.8 81.3 80.4 80.7 79.1 77.0 79.4
Year Lowest Occurred 1969 1969 1968 1968 1963 1967 1965 1965 1979 1985 1982 1982 1968
Mean Min. Temperature (F) 71.9 72.0 72.6 73.8 75.2 76.8 77.5 77.2 76.3 75.7 74.4 72.7 74.7
Highest Mean Min. Temperature (F) 76.4 77.8 80.0 82.5 77.8 80.2 80.1 78.9 78.7 77.7 76.6 74.9 76.6
Year Highest Occurred 1970 1970 1970 1970 1985 1979 1979 1985 1968 1976 1978 1987 1970
Lowest Mean Min. Temperature (F) 70.1 69.1 67.3 72.0 73.2 74.8 76.2 75.4 74.1 73.5 72.4 69.7 73.6
Year Lowest Occurred 1965 1972 1972 1982 1986 1966 1966 1971 1971 1989 1971 1972 1972
Mean Precipitation (in.) 1.98 1.60 1.94 2.49 4.12 2.62 2.81 4.41 5.20 5.47 5.14 2.73 40.51
Highest Precipitation (in.) 5.96 3.66 5.86 9.07 10.08 8.90 6.34 13.59 14.31 12.45 14.73 6.66 66.69
Year Highest Occurred 1962 1961 1963 1983 1969 1962 1964 1963 1989 1974 1984 1981 1961
Lowest Precipitation (in.) 0.67 0.37 0.23 0.32 0.47 0.28 0.86 1.11 1.08 1.18 0.62 0.16 15.91
Year Lowest Occurred 1980 1970 1965 1970 1973 1989 1990 1967 1986 1968 1967 1967 1967
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 415. 378. 437. 450. 493. 525. 567. 567. 531. 530. 474. 437. 5804.

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