PUERTO RICO

                                   MONTHLY AVERAGE HEATING DEGREE DAYS (BASE 65 DEG F)

                          |  PERIOD   |
                          | OF RECORD |   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP   OCT   NOV   DEC    YEAR

ADJUNTAS SUBSTN           | 1970-2010 |     8     8     6     1     0     0     0     0     0     0     1     4      28
AGUIRRE                   | 1948-1966 |     0     0     0     0     0     0     0     0     0     0     0     0       0
AGUIRRE CENTRAL           | 1955-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
AIBONITO                  | 1948-2010 |     5     5     3     1     0     0     1     0     0     0     1     4      21
ARECIBO 3 ESE             | 1948-1999 |     0     0     0     0     0     0     0     0     0     0     0     0       0
ARECIBO OBSERVATORY       | 1980-2010 |     1     0     0     0     0     0     0     0     0     0     0     0       2
BARRANQUITAS              | 1955-1991 |     1     1     1     0     0     0     0     0     0     0     0     1       4
BORINQUEN AIRPORT         | 1974-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
CAGUAS                    | 1948-1960 |     0     0     0     0     0     0     0     0     0     0     0     0       0
CANOVANAS                 | 1955-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
CARITE DAM                | 1955-1980 |     0     1     0     0     0     0     0     0     0     0     0     0       1
CAYEY 1 E                 | 1955-2007 |     2     2     1     0     0     0     0     0     0     0     0     1       6
CERRO MARAVILLA           | 1969-2010 |    95    95    89    61    31     7     6     5    10    11    30    68     507
CIDRA 1 E                 | 1948-1994 |     1     1     0     0     0     0     0     0     0     0     0     0       3
COLOSO                    | 1948-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
COMERIO FALLS PLANT 2     | 1959-1974 |     0     0     0     0     0     0     0     0     0     0     0     0       0
COROZAL SUBSTN            | 1948-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
DORADO 2 WNW              | 1948-2006 |     0     0     0     0     0     0     0     0     0     0     0     0       1
DOS BOCAS                 | 1948-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
FAJARDO                   | 1948-1996 |     0     0     0     0     0     0     0     0     0     0     0     0       0
GARZAS                    | 1948-1981 |    24    14    15     5     2     0     0     0     1     1     4    10      77
GUAYAMA                   | 1948-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
GURABO SUBSTN             | 1956-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
HUMACOA 2 SSE             | 1948-1996 |     0     0     0     0     0     0     0     0     0     0     0     0       0
ISABELA SUBSTATION        | 1948-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
JAYUYA                    | 1949-2002 |     0     1     0     0     0     0     0     0     0     0     0     0       1
JUANA DIAZ CAMP           | 1948-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
JUNCOS 1 NNE              | 1948-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
LAJAS SUBSTN              | 1948-2010 |     2     0     0     0     0     0     0     0     0     0     0     0       2
LARES 2 SE                | 1948-1991 |     0     0     0     0     0     0     0     0     0     0     0     0       0
MAGUEYES ISLAND           | 1959-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
MANATI 3 E                | 1948-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
MARICAO 2 SSW             | 1969-2010 |     3     2     1     1     0     0     0     0     0     0     0     3      11
MAYAGUEZ CITY             | 1948-2009 |     0     0     0     0     0     0     0     0     0     0     0     0       0
MAYAGUEZ AIRPORT          | 1957-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
MONA ISLAND 2             | 1980-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
PATILLAS DAM              | 1948-1969 |     2     0     0     0     0     0     0     0     0     0     0     0       2
PICO DEL ESTE             | 1969-2005 |    76    73    69    41    15     1     5     0     2     1    10    49     344
PONCE 4 E                 | 1954-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
PONCE MERCEDITA AIRPOR    | 1957-1968 |     0     0     0     0     0     0     0     0     0     0     0     0       0
QUEBRADILLAS              | 1955-2000 |     0     0     0     0     0     0     0     0     0     0     0     0       0
RAMEY AIR FORCE BASE      | 1955-1973 |     0     0     0     0     0     0     0     0     0     0     0     0       0
RINCON POWER PLANT        | 1968-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       1
RIO PIEDRAS               | 1948-1961 |     0     0     0     0     0     0     0     0     0     0     0     0       0
RIO PIEDRAS EXP STN       | 1959-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
ROOSEVELT ROADS           | 1959-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
SAN GERMAN 4 W            | 1948-1973 |     0     0     0     0     0     0     0     0     0     0     0     0       0
SAN JUAN CITY             | 1955-1977 |     0     0     0     0     0     0     0     0     0     0     0     0       0
SAN JUAN WSFO             | 1956-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
SAN SEBASTIAN 2 WNW       | 1955-1997 |     0     0     0     0     0     0     0     0     0     0     0     0       0
TRUJILLO ALTO 2 SSW       | 1957-2010 |     0     0     0     0     0     0     0     0     0     0     0     0       0
UTUADO                    | 1948-1998 |     0     0     0     0     0     0     0     0     0     0     0     0       0
VIEQUES ISLAND            | 1955-1976 |     0     0     0     0     0     0     0     0     0     0     0     0       0
VIEQUES ISLAND #2         | 1983-1994 |     0     0     0     0     0     0     0     0     0     0     0     0       0
YABUCOA 1 NNE             | 1955-1995 |     0     0     0     0     0     0     0     0     0     0     0     0       0

 Copyright ©2011 Western Regional Climate Center - Desert Research Institute - Reno, Nevada.