CERRO MARAVILLA, PUERTO RICO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 68.2 68.3 68.8 69.6 70.4 72.5 73.2 73.0 73.7 72.6 71.3 69.6 70.9
Highest Mean Max. Temperature (F) 73.6 73.7 74.2 75.4 74.7 76.7 78.0 78.4 78.6 77.4 75.5 74.1 78.6
Year Highest Occurred 1980 1980 1980 1982 1980 1985 1983 1980 1981 1981 1980 1979 1981
Lowest Mean Max. Temperature (F) 62.6 62.7 63.5 64.8 65.7 68.2 66.6 66.5 68.1 67.0 65.8 63.7 62.6
Year Lowest Occurred 1991 1990 1995 1991 1989 1990 1991 1991 1994 1991 1993 1991 1991
Mean Temperature (F) 62.1 61.8 62.2 63.4 64.8 66.7 67.3 67.3 67.3 66.8 65.3 63.3 64.9
Highest Mean Temperature (F) 64.6 64.3 65.2 65.9 66.7 68.6 69.6 69.5 69.4 68.8 67.2 66.7 69.6
Year Highest Occurred 1981 1979 1983 1987 1983 1983 1983 1980 1987 1980 1980 1997 1983
Lowest Mean Temperature (F) 59.3 58.2 59.2 61.0 62.2 64.6 64.3 64.1 64.8 64.0 62.7 59.8 58.2
Year Lowest Occurred 1991 1990 1993 1990 1990 1993 1991 1991 1992 1992 1993 1991 1990
Mean Min. Temperature (F) 55.9 55.3 55.6 57.2 59.1 60.8 61.3 61.5 60.9 61.0 59.3 56.9 58.7
Highest Mean Min. Temperature (F) 58.5 58.2 58.0 60.0 61.3 63.8 64.2 63.5 63.2 63.5 61.4 60.8 64.2
Year Highest Occurred 1988 1995 1996 1999 1999 1997 1998 1997 1999 1987 1995 1998 1998
Lowest Mean Min. Temperature (F) 53.6 53.1 53.0 55.0 57.0 58.7 59.2 59.8 59.0 58.7 57.6 54.6 53.0
Year Lowest Occurred 1976 1986 1976 1976 1974 1976 1984 1986 1981 1986 1984 1984 1976
Mean Precipitation (in.) 4.02 3.58 4.34 6.99 11.12 6.65 5.79 9.58 14.01 14.67 8.16 3.80 92.71
Highest Precipitation (in.) 21.42 9.10 12.60 14.61 31.26 14.20 11.74 22.16 32.35 46.22 17.92 9.50 46.22
Year Highest Occurred 1992 1996 1972 1992 1985 1999 1991 1979 1975 1985 1987 1975 1985
Lowest Precipitation (in.) 0.82 0.97 1.55 0.71 2.50 1.09 1.02 3.89 3.60 6.66 1.16 0.69 0.69
Year Lowest Occurred 1985 1975 1990 1997 1990 1977 1992 1984 1986 1975 1976 1997 1997
Heating Degree Days (F) 106. 100. 94. 74. 47. 14. 13. 18. 14. 20. 40. 84. 624.
Cooling Degree Days (F) 14. 9. 20. 26. 39. 64. 82. 87. 83. 75. 47. 30. 576.

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