GURABO SUBSTN, PUERTO RICO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 84.5 84.9 85.8 87.4 88.6 89.8 90.3 90.6 90.0 89.3 87.4 85.2 87.8
Highest Mean Max. Temperature (F) 86.8 86.7 88.3 90.0 91.1 92.6 92.4 92.0 91.4 90.4 88.9 88.1 92.6
Year Highest Occurred 1998 1983 1981 1984 1999 1997 1974 1994 1971 1987 1981 1997 1997
Lowest Mean Max. Temperature (F) 82.7 82.6 83.2 85.4 86.5 87.8 88.8 88.6 88.0 86.4 85.2 82.6 82.6
Year Lowest Occurred 1976 1989 1989 1989 1986 1976 1996 1988 1979 1998 1984 1999 1989
Mean Temperature (F) 72.6 72.8 73.6 75.7 78.0 79.4 79.6 79.8 79.3 78.5 76.6 74.0 76.7
Highest Mean Temperature (F) 75.2 74.6 77.0 77.9 80.3 81.7 81.2 81.0 80.8 80.1 78.5 76.8 81.7
Year Highest Occurred 1981 1983 1983 1987 1999 1997 1985 1998 1999 1980 1981 1998 1997
Lowest Mean Temperature (F) 70.0 70.0 71.0 73.2 75.8 76.8 77.6 77.6 77.3 75.6 74.5 70.5 70.0
Year Lowest Occurred 1997 1993 1995 1996 1989 1989 1993 1992 1992 1989 1996 1996 1997
Mean Min. Temperature (F) 60.7 60.6 61.4 64.0 67.4 69.0 68.8 68.9 68.5 67.6 65.8 62.8 65.5
Highest Mean Min. Temperature (F) 64.1 63.5 66.2 68.3 70.9 72.0 71.4 71.0 71.3 70.4 69.3 68.6 72.0
Year Highest Occurred 1981 1978 1983 1981 1981 1979 1979 1979 1979 1999 1999 1998 1979
Lowest Mean Min. Temperature (F) 55.9 55.6 56.6 59.6 64.5 65.5 65.4 65.2 65.3 62.5 61.7 57.3 55.6
Year Lowest Occurred 1997 1993 1993 1996 1989 1989 1994 1992 1993 1989 1992 1996 1993
Mean Precipitation (in.) 3.39 2.89 2.95 3.43 5.70 4.43 5.03 7.61 7.86 6.88 7.27 4.64 62.08
Highest Precipitation (in.) 8.60 6.35 7.63 9.10 14.14 13.89 9.52 12.05 23.64 18.74 21.84 12.40 23.64
Year Highest Occurred 1996 1989 1972 1983 1981 1987 1983 1996 1996 1985 1977 1987 1996
Lowest Precipitation (in.) 0.88 0.71 0.90 0.75 0.84 0.41 1.25 2.86 2.62 1.53 1.98 0.20 0.20
Year Lowest Occurred 1985 1977 1984 1997 1974 1977 1992 1984 1983 1989 1976 1989 1989
Heating Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0. 0.
Cooling Degree Days (F) 237. 217. 268. 322. 401. 432. 452. 456. 428. 416. 348. 280. 4257.

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