MAGUEYES ISLAND, PUERTO RICO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 86.0 86.0 87.0 88.7 89.1 90.1 90.7 91.1 90.9 89.6 88.3 86.9 88.7
Highest Mean Max. Temperature (F) 88.1 88.9 89.8 93.1 93.5 94.2 94.7 94.1 92.7 91.9 90.9 90.0 91.1
Year Highest Occurred 1967 1978 1975 1978 1978 1978 1978 1977 1978 1986 1967 1964 1978
Lowest Mean Max. Temperature (F) 83.4 83.1 84.3 85.2 86.0 86.9 87.5 88.2 88.2 85.8 85.0 83.5 85.7
Year Lowest Occurred 1961 1962 1961 1962 1982 1965 1961 1961 1962 1961 1961 1961 1961
Mean Temperature (F) 77.1 77.3 78.2 79.9 81.3 82.7 82.9 82.9 82.8 81.8 80.1 78.0 80.4
Highest Mean Temperature (F) 79.8 79.3 80.1 83.4 84.0 85.1 84.4 84.6 84.5 83.6 82.0 80.2 81.9
Year Highest Occurred 1966 1977 1978 1987 1978 1988 1978 1987 1987 1969 1967 1987 1987
Lowest Mean Temperature (F) 74.6 74.8 76.4 77.1 77.1 80.2 80.8 81.6 81.1 78.8 77.6 75.1 78.4
Year Lowest Occurred 1985 1986 1968 1968 1985 1986 1984 1964 1968 1985 1984 1984 1985
Mean Min. Temperature (F) 68.2 68.5 69.3 71.1 73.5 75.2 75.0 74.8 74.5 74.0 71.8 69.1 72.1
Highest Mean Min. Temperature (F) 71.6 71.2 72.1 75.9 76.6 77.8 76.4 76.4 76.4 75.6 73.3 73.0 73.8
Year Highest Occurred 1966 1963 1983 1987 1969 1988 1983 1966 1987 1969 1963 1963 1987
Lowest Mean Min. Temperature (F) 63.4 63.3 66.5 66.4 65.8 70.6 71.7 71.2 70.9 70.3 68.7 63.8 68.2
Year Lowest Occurred 1985 1985 1985 1985 1985 1986 1985 1985 1986 1985 1985 1984 1985
Mean Precipitation (in.) 1.13 0.94 1.08 1.29 2.77 1.53 1.74 3.56 4.94 4.91 4.28 1.61 29.78
Highest Precipitation (in.) 3.10 4.36 3.89 4.14 11.53 8.19 7.86 12.92 16.17 21.53 16.30 6.38 49.28
Year Highest Occurred 1984 1984 1983 1983 1986 1987 1984 1978 1979 1985 1987 1981 1979
Lowest Precipitation (in.) 0.00 0.04 0.12 0.05 0.00 0.20 0.02 0.59 1.12 0.78 0.00 0.00 16.12
Year Lowest Occurred 1976 1975 1986 1974 1974 1977 1976 1972 1971 1968 1962 1979 1977
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 375. 344. 409. 447. 505. 531. 555. 555. 534. 521. 453. 403. 5632.

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