ROOSEVELT ROADS, PUERTO RICO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 83.0 82.5 84.3 85.4 86.6 88.3 88.4 88.0 87.9 87.5 85.3 84.8 86.0
Highest Mean Max. Temperature (F) 85.7 84.9 87.5 87.9 88.1 89.7 89.9 90.5 89.5 89.0 87.2 88.3 90.5
Year Highest Occurred 1981 1977 1983 1984 1995 1978 1985 1980 1990 1991 1997 1997 1980
Lowest Mean Max. Temperature (F) 79.5 80.8 82.2 83.9 84.5 86.9 86.8 86.0 86.3 85.0 83.3 81.9 79.5
Year Lowest Occurred 2000 1989 2000 2000 1982 1986 1999 1988 1972 1985 1974 1999 2000
Mean Temperature (F) 77.6 76.9 78.2 79.3 80.8 82.8 83.1 82.8 82.7 81.7 80.4 78.8 80.4
Highest Mean Temperature (F) 79.6 79.0 80.8 80.7 82.2 84.2 84.6 84.6 84.1 83.2 81.7 80.6 84.6
Year Highest Occurred 1981 1981 1983 1984 1981 1980 1983 1980 1990 1980 1981 1997 1980
Lowest Mean Temperature (F) 75.6 74.9 76.1 78.1 79.2 81.6 81.6 81.5 81.6 80.6 79.2 77.1 74.9
Year Lowest Occurred 2000 1973 2000 1976 1986 1974 1993 1996 1972 1984 1984 1975 1973
Mean Min. Temperature (F) 72.1 71.3 72.0 73.2 74.9 77.3 77.7 77.5 77.5 75.9 75.4 72.7 74.8
Highest Mean Min. Temperature (F) 74.3 74.1 74.8 76.1 77.0 79.1 79.6 78.9 78.6 77.7 76.5 74.9 79.6
Year Highest Occurred 1971 1975 1981 1981 1981 1980 1983 1981 1990 1980 1980 1987 1983
Lowest Mean Min. Temperature (F) 69.7 68.2 69.9 71.3 72.9 75.1 74.9 75.6 75.4 73.6 73.5 71.3 68.2
Year Lowest Occurred 1976 1973 2000 1973 1996 1974 1993 1993 1993 1989 1975 1996 1973
Mean Precipitation (in.) 2.68 2.44 2.71 2.85 6.13 3.30 3.74 5.27 6.13 6.80 6.13 4.06 52.24
Highest Precipitation (in.) 8.18 4.50 18.06 7.48 18.24 11.93 10.43 10.15 11.10 17.72 19.44 10.31 19.44
Year Highest Occurred 1992 1989 1987 1983 1987 1987 1993 1979 1993 1974 1974 1981 1974
Lowest Precipitation (in.) 1.08 0.73 0.65 0.70 0.48 0.75 1.31 2.22 3.05 2.17 1.30 1.37 0.48
Year Lowest Occurred 1995 1993 1973 1994 1973 1974 1976 1990 1983 1996 1989 1997 1973
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 389. 332. 409. 429. 487. 534. 560. 550. 530. 518. 461. 426. 5625.

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