JUNCOS 1 NNE, PUERTO RICO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 83.5 84.0 85.0 86.2 87.1 88.1 88.6 88.8 88.9 88.3 86.6 84.4 86.6
Highest Mean Max. Temperature (F) 86.7 86.6 88.1 90.1 89.4 90.0 90.6 91.1 91.3 90.5 89.3 88.5 88.7
Year Highest Occurred 1983 1983 1981 1969 1980 1980 1971 1980 1980 1980 1981 1962 1980
Lowest Mean Max. Temperature (F) 80.2 81.4 80.7 81.3 82.6 83.9 84.8 84.1 84.4 84.9 82.8 81.2 83.2
Year Lowest Occurred 1988 1989 1965 1965 1965 1965 1965 1965 1965 1965 1984 1975 1965
Mean Temperature (F) 72.7 72.8 73.8 75.3 77.4 78.9 79.4 79.2 78.9 78.4 76.6 74.1 76.5
Highest Mean Temperature (F) 75.3 74.6 76.7 78.9 80.2 81.1 82.3 81.8 81.5 80.4 78.9 78.1 78.5
Year Highest Occurred 1963 1981 1966 1987 1969 1988 1983 1987 1987 1987 1962 1962 1987
Lowest Mean Temperature (F) 70.2 69.9 69.6 71.3 74.2 75.3 77.0 76.5 77.0 75.7 74.6 71.8 74.8
Year Lowest Occurred 1976 1964 1965 1965 1965 1981 1963 1964 1963 1964 1971 1973 1965
Mean Min. Temperature (F) 61.8 61.6 62.5 64.4 67.6 69.7 70.2 69.6 68.9 68.4 66.6 63.8 66.3
Highest Mean Min. Temperature (F) 64.8 66.0 69.4 71.2 72.3 73.7 74.5 73.1 73.0 72.2 70.3 69.2 70.5
Year Highest Occurred 1987 1988 1966 1987 1987 1988 1983 1987 1987 1987 1987 1987 1987
Lowest Mean Min. Temperature (F) 58.6 54.9 58.4 58.2 60.8 60.7 64.8 66.6 64.1 63.7 61.2 58.8 63.9
Year Lowest Occurred 1976 1964 1965 1981 1981 1981 1963 1964 1980 1980 1980 1982 1971
Mean Precipitation (in.) 2.68 2.47 2.86 3.63 7.50 5.71 6.01 7.94 6.99 8.17 7.00 5.17 66.13
Highest Precipitation (in.) 8.73 7.71 7.26 10.12 17.86 18.60 11.14 16.09 15.49 27.45 25.16 19.44 104.13
Year Highest Occurred 1969 1989 1972 1971 1969 1970 1981 1979 1975 1970 1987 1987 1970
Lowest Precipitation (in.) 0.98 0.53 0.63 0.33 0.84 0.35 1.30 1.92 0.61 1.82 0.93 0.46 46.82
Year Lowest Occurred 1967 1983 1988 1967 1974 1985 1971 1987 1971 1968 1989 1989 1980
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 239. 218. 273. 309. 384. 417. 446. 440. 417. 415. 348. 282. 4188.

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