COLOSO, PUERTO RICO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 85.9 85.8 86.4 86.9 88.2 89.2 89.5 89.7 89.8 89.5 87.8 85.9 87.9
Highest Mean Max. Temperature (F) 89.5 88.3 88.9 89.7 91.7 93.2 91.3 92.0 92.5 91.1 90.2 88.9 89.6
Year Highest Occurred 1989 1983 1983 1984 1989 1989 1988 1987 1990 1973 1982 1983 1989
Lowest Mean Max. Temperature (F) 82.9 83.6 84.2 83.8 84.8 84.5 82.6 85.2 84.2 86.2 84.4 82.9 85.5
Year Lowest Occurred 1965 1965 1967 1979 1982 1978 1978 1978 1979 1980 1978 1964 1978
Mean Temperature (F) 74.4 74.3 75.0 76.1 77.9 78.7 79.1 79.2 79.0 78.5 77.0 74.9 77.0
Highest Mean Temperature (F) 77.8 78.1 79.0 78.6 80.8 80.7 80.7 81.6 82.0 80.2 78.6 76.9 78.5
Year Highest Occurred 1989 1981 1983 1969 1980 1989 1988 1987 1980 1980 1987 1982 1980
Lowest Mean Temperature (F) 72.3 72.3 72.9 74.2 75.4 75.1 74.0 75.3 73.5 76.0 73.9 73.1 75.1
Year Lowest Occurred 1972 1972 1972 1968 1978 1978 1978 1979 1979 1979 1978 1964 1978
Mean Min. Temperature (F) 62.9 62.8 63.6 65.2 67.4 68.2 68.7 68.6 68.2 67.4 66.1 63.8 66.1
Highest Mean Min. Temperature (F) 66.0 72.4 69.0 70.9 71.9 73.4 71.2 72.5 76.0 74.2 70.9 66.5 70.2
Year Highest Occurred 1989 1981 1983 1980 1980 1980 1966 1980 1980 1980 1980 1987 1980
Lowest Mean Min. Temperature (F) 59.6 58.8 60.4 62.7 64.4 64.2 65.2 65.1 62.8 63.4 62.6 60.8 63.6
Year Lowest Occurred 1972 1972 1972 1975 1975 1976 1977 1979 1979 1976 1976 1989 1976
Mean Precipitation (in.) 2.00 2.32 3.00 4.47 9.89 9.90 9.07 10.82 9.78 9.07 5.36 2.53 78.21
Highest Precipitation (in.) 6.75 8.00 8.21 12.66 19.37 18.08 23.26 22.46 21.89 15.77 11.67 8.65 103.31
Year Highest Occurred 1961 1984 1961 1961 1968 1987 1965 1974 1975 1979 1965 1981 1965
Lowest Precipitation (in.) 0.07 0.00 0.19 0.14 3.62 3.11 3.38 6.09 2.75 3.71 1.57 0.21 59.31
Year Lowest Occurred 1980 1983 1968 1967 1990 1963 1974 1987 1971 1982 1986 1967 1989
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 291. 260. 310. 333. 400. 411. 437. 440. 420. 419. 360. 307. 4388.

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