HUMACOA 2 SSE, PUERTO RICO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 84.9 84.6 85.4 86.7 87.9 88.8 89.2 89.6 89.8 89.2 87.2 86.2 87.5
Highest Mean Max. Temperature (F) 87.9 87.6 88.8 90.4 90.6 91.2 91.5 92.2 92.1 92.5 89.8 90.6 92.5
Year Highest Occurred 1998 1987 1994 1992 1995 1992 1994 1995 1990 1991 1995 1997 1991
Lowest Mean Max. Temperature (F) 82.0 82.3 81.6 83.4 85.4 85.9 87.4 87.8 86.8 86.3 83.4 82.8 81.6
Year Lowest Occurred 1974 1978 1979 1978 1979 1976 1983 1975 1977 1974 1987 1982 1979
Mean Temperature (F) 75.3 75.3 75.9 77.1 79.9 80.9 81.0 81.2 81.1 80.2 78.6 76.5 78.6
Highest Mean Temperature (F) 77.7 77.5 78.4 78.7 82.2 82.6 82.4 82.5 82.7 81.5 80.7 79.2 82.7
Year Highest Occurred 1998 1998 1983 1987 1994 1997 1985 1998 1997 1998 1995 1997 1997
Lowest Mean Temperature (F) 73.4 73.1 73.2 74.8 78.2 79.0 79.8 79.8 79.6 78.6 77.0 74.3 73.1
Year Lowest Occurred 1988 1990 1979 1990 1982 1989 1993 1989 1988 1989 1982 1982 1990
Mean Min. Temperature (F) 65.7 66.0 66.3 67.4 71.8 72.9 72.7 72.8 72.3 71.2 70.0 66.7 69.7
Highest Mean Min. Temperature (F) 68.2 68.1 70.6 70.1 73.9 75.0 75.1 74.1 74.4 72.9 71.7 70.0 75.1
Year Highest Occurred 1983 1998 1983 1984 1998 1977 1985 1978 1982 1998 1999 1998 1985
Lowest Mean Min. Temperature (F) 62.5 61.5 62.0 63.3 68.7 68.4 69.2 69.4 68.1 66.8 65.6 62.2 61.5
Year Lowest Occurred 1988 1990 1990 1990 1987 1987 1993 1989 1993 1989 1989 1989 1990
Mean Precipitation (in.) 4.35 3.73 3.32 3.41 7.75 6.03 7.78 8.09 10.25 10.87 9.31 5.51 80.40
Highest Precipitation (in.) 13.04 7.37 10.52 7.11 26.78 12.89 17.35 18.30 22.06 32.37 26.27 18.93 32.37
Year Highest Occurred 1992 1994 1985 1978 1979 1987 1983 1971 1996 1985 1987 1987 1985
Lowest Precipitation (in.) 1.49 0.92 0.66 0.64 0.72 1.54 2.85 2.50 2.75 3.97 2.69 1.58 0.64
Year Lowest Occurred 1977 1983 1993 1984 1990 1977 1994 1993 1971 1996 1981 1997 1984
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 319. 288. 337. 361. 460. 475. 494. 502. 482. 471. 408. 355. 4952.

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