ARECIBO 3 ESE, PUERTO RICO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 84.9 84.8 85.7 86.8 88.4 89.5 90.1 90.4 90.2 89.5 88.0 85.5 87.8
Highest Mean Max. Temperature (F) 89.6 88.0 88.0 89.7 90.7 91.8 92.2 92.0 92.3 92.5 89.8 89.1 89.0
Year Highest Occurred 1980 1980 1983 1984 1964 1969 1990 1987 1990 1987 1981 1979 1980
Lowest Mean Max. Temperature (F) 81.8 82.0 82.9 84.9 85.9 87.1 88.7 88.8 88.7 87.0 84.2 82.4 86.6
Year Lowest Occurred 1965 1976 1976 1965 1965 1989 1976 1976 1975 1984 1961 1982 1976
Mean Temperature (F) 75.0 74.4 75.3 76.6 78.3 79.6 80.5 80.4 80.5 79.7 78.4 76.3 77.9
Highest Mean Temperature (F) 79.4 77.4 77.3 78.7 80.4 82.0 81.9 82.2 82.5 81.8 79.8 78.9 79.1
Year Highest Occurred 1980 1980 1964 1987 1969 1988 1990 1987 1979 1987 1968 1978 1987
Lowest Mean Temperature (F) 72.6 71.0 73.1 74.7 74.9 76.8 78.1 76.9 79.3 74.8 76.1 73.7 76.6
Year Lowest Occurred 1965 1983 1976 1985 1984 1983 1974 1984 1970 1984 1961 1964 1984
Mean Min. Temperature (F) 65.1 63.9 64.8 66.3 68.2 69.7 70.7 70.4 70.8 69.9 68.7 67.0 68.0
Highest Mean Min. Temperature (F) 69.1 66.7 67.4 68.8 70.7 72.5 73.4 72.4 74.6 72.5 71.2 69.8 69.4
Year Highest Occurred 1980 1980 1981 1969 1981 1988 1988 1987 1979 1977 1974 1987 1987
Lowest Mean Min. Temperature (F) 62.8 57.0 59.9 63.4 62.5 64.5 66.2 63.4 68.6 62.5 66.2 64.8 65.5
Year Lowest Occurred 1985 1983 1983 1985 1984 1983 1974 1984 1970 1984 1989 1989 1984
Mean Precipitation (in.) 4.32 3.08 3.80 5.59 6.61 4.65 3.73 4.59 5.86 6.54 7.98 6.80 63.55
Highest Precipitation (in.) 13.66 10.57 29.95 21.21 22.94 18.00 13.32 10.37 27.07 13.06 34.93 21.69 185.79
Year Highest Occurred 1963 1963 1963 1961 1963 1964 1964 1963 1963 1983 1963 1962 1963
Lowest Precipitation (in.) 0.48 0.27 0.35 0.02 0.83 0.10 1.12 1.26 1.55 1.85 1.63 0.60 34.31
Year Lowest Occurred 1983 1983 1973 1982 1973 1985 1989 1978 1976 1968 1973 1983 1989
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 310. 263. 319. 348. 412. 438. 481. 477. 465. 456. 402. 350. 4721.

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