ARECIBO 3 ESE, PUERTO RICO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 85.1 85.0 85.9 87.1 88.4 89.8 90.3 90.3 90.5 89.8 88.0 86.0 88.0
Highest Mean Max. Temperature (F) 89.5 89.0 89.7 89.8 90.4 93.0 92.6 92.3 93.0 92.5 91.5 91.3 93.0
Year Highest Occurred 1998 1998 1998 1984 1999 1997 1997 1998 1987 1987 1997 1997 1997
Lowest Mean Max. Temperature (F) 82.9 82.0 82.9 85.2 86.2 87.1 88.7 88.8 88.7 87.0 85.5 82.4 82.0
Year Lowest Occurred 1976 1976 1976 1981 1982 1989 1976 1976 1975 1984 1974 1982 1976
Mean Temperature (F) 74.9 74.6 75.3 76.7 78.2 79.9 80.5 80.5 80.6 80.0 78.2 76.2 78.0
Highest Mean Temperature (F) 76.8 77.4 77.6 78.6 80.1 82.2 81.9 82.1 82.5 81.8 79.7 78.9 82.5
Year Highest Occurred 1998 1980 1983 1987 1988 1998 1998 1998 1998 1987 1979 1978 1998
Lowest Mean Temperature (F) 73.4 72.8 73.1 74.6 74.9 77.4 78.1 79.1 79.5 78.2 76.7 73.7 72.8
Year Lowest Occurred 1985 1976 1976 1985 1984 1986 1974 1992 1995 1984 1992 1991 1976
Mean Min. Temperature (F) 64.6 64.2 64.6 66.2 68.0 69.9 70.6 70.7 70.6 70.1 68.4 66.4 67.9
Highest Mean Min. Temperature (F) 67.4 66.7 67.4 68.9 70.7 72.5 73.4 72.8 72.8 72.5 71.2 69.0 73.4
Year Highest Occurred 1981 1980 1981 1994 1981 1988 1988 1997 1975 1977 1974 1981 1988
Lowest Mean Min. Temperature (F) 62.1 62.8 62.1 63.2 62.5 67.1 66.2 68.4 68.6 68.6 66.5 64.0 62.1
Year Lowest Occurred 1985 1986 1995 1985 1984 1986 1974 1995 1995 1982 1997 1997 1985
Mean Precipitation (in.) 4.09 2.95 2.66 4.49 5.18 3.13 2.89 4.31 4.90 6.12 5.63 4.67 51.02
Highest Precipitation (in.) 10.15 8.25 11.94 12.98 15.98 9.37 6.47 9.85 14.03 12.50 11.96 17.76 17.76
Year Highest Occurred 1977 1971 1981 1979 1981 1979 1981 1979 1998 1990 1985 1981 1981
Lowest Precipitation (in.) 0.48 0.27 0.35 0.02 0.83 0.10 1.12 1.26 1.55 1.69 1.63 0.29 0.02
Year Lowest Occurred 1983 1983 1973 1982 1973 1985 1989 1978 1976 1993 1973 1997 1982
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 306. 270. 317. 350. 409. 446. 479. 481. 466. 464. 395. 348. 4731.

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