COLOSO, PUERTO RICO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 86.2 86.2 86.9 87.5 88.8 90.1 90.4 90.4 90.3 90.0 88.1 86.3 88.4
Highest Mean Max. Temperature (F) 89.5 89.1 89.6 89.9 92.4 93.2 92.6 92.4 92.5 91.4 90.2 88.9 93.2
Year Highest Occurred 1989 1998 1998 1995 1995 1989 1995 1993 1990 1995 1994 1983 1989
Lowest Mean Max. Temperature (F) 82.4 83.8 84.1 83.8 84.8 86.9 88.1 88.1 88.0 86.9 84.0 83.4 82.4
Year Lowest Occurred 2000 1981 2000 1979 1982 1980 1979 1998 1980 1979 1996 1997 2000
Mean Temperature (F) 74.6 74.4 75.1 76.3 78.2 79.1 79.5 79.5 79.3 78.6 77.2 75.1 77.2
Highest Mean Temperature (F) 77.8 76.7 79.0 78.8 80.8 81.0 81.4 81.6 81.5 80.7 79.0 76.9 81.6
Year Highest Occurred 1989 1979 1983 1999 1980 1993 1995 1987 2000 2000 2000 1982 1987
Lowest Mean Temperature (F) 72.2 72.3 72.6 73.8 75.4 76.9 77.3 77.2 76.8 76.0 73.9 73.3 72.2
Year Lowest Occurred 2000 1972 2000 1997 1978 1976 1977 1977 1977 1979 1978 1978 2000
Mean Min. Temperature (F) 63.0 62.5 63.3 65.1 67.5 68.0 68.5 68.6 68.2 67.1 66.2 63.8 66.0
Highest Mean Min. Temperature (F) 66.1 65.6 69.0 68.8 71.9 70.5 70.9 72.5 71.3 70.4 69.5 66.2 72.5
Year Highest Occurred 1999 1979 1983 1999 1980 1993 1980 1980 2000 2000 1999 1998 1980
Lowest Mean Min. Temperature (F) 59.6 58.8 60.4 62.7 64.4 64.2 65.2 65.1 64.7 63.4 62.6 60.8 58.8
Year Lowest Occurred 1972 1972 1972 1975 1975 1976 1977 1979 1976 1976 1976 1989 1972
Mean Precipitation (in.) 2.03 2.56 3.01 4.11 9.46 9.71 7.97 10.10 9.74 8.61 4.54 2.43 74.27
Highest Precipitation (in.) 6.42 8.00 6.61 10.23 19.21 18.08 12.48 22.46 21.89 15.77 10.24 8.65 22.46
Year Highest Occurred 1997 1984 1973 1983 1986 1987 1971 1974 1975 1979 1981 1981 1974
Lowest Precipitation (in.) 0.07 0.00 0.61 0.23 3.62 3.93 3.38 5.31 2.75 3.34 0.81 0.23 0.00
Year Lowest Occurred 1980 1983 1997 1997 1990 1997 1974 1994 1971 1992 1995 1985 1983
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 297. 262. 313. 339. 407. 421. 448. 450. 428. 420. 365. 311. 4461.

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