CAYEY 1 E, PUERTO RICO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 78.5 79.0 80.2 81.6 82.9 84.2 84.5 84.7 84.7 83.7 81.8 79.2 82.1
Highest Mean Max. Temperature (F) 82.7 83.9 84.2 85.3 85.6 87.7 88.1 87.9 88.0 88.0 86.6 85.7 85.7
Year Highest Occurred 1961 1963 1961 1961 1963 1963 1962 1963 1963 1963 1963 1963 1963
Lowest Mean Max. Temperature (F) 76.2 76.7 77.1 78.5 79.9 81.8 81.9 81.5 82.2 80.0 79.4 76.2 80.2
Year Lowest Occurred 1975 1989 1976 1979 1985 1986 1970 1978 1979 1985 1978 1975 1978
Mean Temperature (F) 68.9 69.1 70.1 71.7 74.2 75.9 76.2 76.2 75.6 74.7 72.7 70.2 73.0
Highest Mean Temperature (F) 71.1 71.4 72.7 74.9 76.2 77.6 78.2 78.4 76.9 75.8 74.2 72.8 74.4
Year Highest Occurred 1990 1961 1983 1961 1969 1990 1989 1961 1990 1990 1976 1987 1961
Lowest Mean Temperature (F) 65.9 67.2 67.7 68.3 72.9 74.2 73.4 74.3 74.2 72.9 69.8 66.4 71.6
Year Lowest Occurred 1965 1979 1979 1967 1967 1965 1965 1978 1978 1978 1966 1964 1965
Mean Min. Temperature (F) 59.3 59.1 60.0 61.8 65.6 67.6 67.8 67.6 66.4 65.6 63.5 61.0 63.8
Highest Mean Min. Temperature (F) 62.9 62.7 63.5 66.6 68.8 70.1 70.3 70.2 68.1 68.7 66.5 65.7 66.1
Year Highest Occurred 1990 1988 1983 1987 1969 1990 1987 1961 1969 1990 1974 1987 1987
Lowest Mean Min. Temperature (F) 54.9 55.2 56.0 55.1 62.5 64.0 62.4 64.2 64.1 62.3 57.2 55.5 60.7
Year Lowest Occurred 1965 1966 1967 1967 1962 1967 1965 1967 1965 1965 1966 1964 1965
Mean Precipitation (in.) 2.59 2.34 2.63 3.66 5.78 4.53 5.14 7.17 6.07 7.59 6.13 3.49 57.12
Highest Precipitation (in.) 7.09 6.69 6.55 8.34 15.64 15.63 12.54 22.18 16.32 34.54 19.76 8.39 105.32
Year Highest Occurred 1969 1989 1972 1986 1985 1979 1961 1979 1979 1970 1984 1981 1970
Lowest Precipitation (in.) 0.82 0.63 0.72 0.88 0.54 0.51 1.79 1.83 1.24 0.64 1.29 0.28 35.98
Year Lowest Occurred 1978 1983 1984 1972 1990 1985 1974 1984 1971 1968 1973 1989 1967
Heating Degree Days (F) 5. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 5.
Cooling Degree Days (F) 126. 116. 160. 201. 285. 327. 347. 347. 318. 301. 231. 163. 2922.

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