YABUCOA 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) 82.9 83.4 84.7 85.8 86.4 87.3 87.4 88.1 88.2 87.2 85.8 84.2 86.0
Highest Mean Max. Temperature (F) 85.2 88.2 87.6 87.8 88.4 89.6 88.6 90.0 90.7 88.6 87.2 87.0 87.5
Year Highest Occurred 1983 1983 1983 1988 1990 1983 1988 1987 1987 1987 1990 1989 1983
Lowest Mean Max. Temperature (F) 80.9 81.6 82.5 83.9 84.3 85.7 86.1 86.1 85.9 83.5 83.5 81.0 85.2
Year Lowest Occurred 1965 1976 1976 1968 1979 1965 1970 1965 1979 1985 1974 1975 1965
Mean Temperature (F) 75.0 75.0 76.1 77.5 79.0 80.4 80.6 80.8 80.5 79.6 78.1 76.0 78.2
Highest Mean Temperature (F) 77.2 77.1 77.4 79.3 80.8 81.8 82.0 82.5 82.2 81.0 79.6 78.0 79.4
Year Highest Occurred 1983 1983 1981 1988 1987 1980 1985 1987 1987 1986 1990 1987 1987
Lowest Mean Temperature (F) 73.0 72.2 74.1 74.9 77.6 79.0 79.6 79.5 79.2 77.5 76.7 74.1 77.3
Year Lowest Occurred 1965 1986 1976 1968 1976 1976 1965 1965 1974 1985 1974 1975 1976
Mean Min. Temperature (F) 67.0 66.5 67.4 69.1 71.7 73.4 73.7 73.5 72.6 72.1 70.3 67.8 70.4
Highest Mean Min. Temperature (F) 69.2 69.3 69.1 71.7 74.1 75.5 75.4 75.1 74.2 73.9 71.9 70.6 71.6
Year Highest Occurred 1983 1988 1973 1986 1987 1980 1985 1985 1986 1965 1990 1981 1987
Lowest Mean Min. Temperature (F) 64.4 62.5 65.4 65.8 69.8 70.4 72.0 72.5 71.3 70.3 68.1 62.9 69.3
Year Lowest Occurred 1985 1986 1990 1968 1975 1983 1971 1977 1975 1964 1973 1989 1976
Mean Precipitation (in.) 3.77 3.13 3.39 4.03 8.70 6.79 7.03 8.76 8.76 11.52 8.60 5.41 79.89
Highest Precipitation (in.) 8.62 8.16 8.58 8.40 22.36 14.48 12.68 16.27 23.63 27.45 22.18 19.65 125.92
Year Highest Occurred 1969 1984 1985 1980 1979 1979 1983 1979 1979 1970 1987 1981 1979
Lowest Precipitation (in.) 1.24 0.93 0.32 0.91 0.59 0.48 2.98 3.19 2.29 3.19 2.28 1.56 38.89
Year Lowest Occurred 1977 1983 1968 1984 1990 1985 1971 1967 1986 1968 1966 1963 1967
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 310. 280. 344. 375. 434. 462. 484. 490. 465. 453. 393. 341. 4831.

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