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State Climate Office of North Carolina
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Phone: 919-515-3056
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Weather Extremes for Autumnal Equinox in Puerto Rico
- Warmest Autumnal Equinox occurred on September 23, 1987 at Borinquen Ap (660974)
- Max Temp: 96°F
- Min Temp: 82°F
- Coldest Autumnal Equinox occurred on September 23, 1990 at Cerro Maravilla (662336)
- Max Temp: 63°F
- Min Temp: 59°F
- Highest Precipitation Amount: 22 inches on September 23, 1998 at Adjuntas Substn (660061)
*Warmest and coldest days are determined by the mean of historical daily minimum and maximum temperatures provided by National Weather Service Cooperative Observer reports. Wettest days are determined by the daily precipitation measurements from the same stations.
NOTE: Autumnal Equinox statistics are generated using as much data as possible for a given station beginning September 23, 1850.
Below is a table listing the warmest, coldest, and wettest Autumnal Equinoxs for various NWS Cooperative stations across Puerto Rico. This list can be sorted by clicking on each respective column heading.
| Station | City | County | Warmest Autumnal Equinox | Coldest Autumnal Equinox | Wettest Autumnal Equinox | Typical Autumnal Equinox Temperatures |
| Aceituna (660040) Period of Record: Jan 1955 thru Jun 2015 | Adjuntas | September 22, 2008 2.8 inches | ||||
| Aguirre (660147) Period of Record: Jan 1931 thru Oct 1966 | September 23, 1955 Max Temp: 95°F Min Temp: 78°F | September 23, 1954 Max Temp: 79°F Min Temp: 73°F | September 23, 1940 2.95 inches | Max Temp: 89°F to 91°F Min Temp: 73°F to 75°F | ||
| Aguirre (660152) Period of Record: Apr 1955 thru Jan 2017 | Guayama | September 23, 2002 Max Temp: 91°F Min Temp: 75°F | September 22, 2008 Max Temp: 77°F Min Temp: 70°F | September 22, 2008 8.02 inches | Max Temp: 87°F to 90°F Min Temp: 71°F to 74°F | |
| Candelaria Toa Baja (660842) Period of Record: Jan 1955 thru Aug 1995 | Bayamon | September 22, 1993 2.3 inches | ||||
| Benavente-hormigueros (660900) Period of Record: Aug 1973 thru May 2004 | Mayaguez | September 22, 1988 Max Temp: 91°F Min Temp: 71°F | September 23, 1975 Max Temp: 88°F Min Temp: 65°F | September 23, 1987 2.05 inches | Max Temp: 88.5°F to 91.5°F Min Temp: 69°F to 71°F | |
| Boca (660948) Period of Record: Jan 1955 thru Feb 2013 | Ponce | September 22, 2008 8.71 inches | ||||
| Borinquen Ap (660974) Period of Record: Jan 1949 thru Mar 2014 | Mayaguez | September 23, 1987 Max Temp: 96°F Min Temp: 82°F | September 23, 1949 Max Temp: 82°F Min Temp: 74°F | September 23, 1950 2.27 inches | Max Temp: 85.5°F to 88.5°F Min Temp: 73°F to 75°F | |
| Cacaos-orocovis (661142) Period of Record: May 1981 thru Oct 2011 | Ponce | September 22, 1985 1.73 inches | ||||
| Calero Camp (661345) Period of Record: Jan 1955 thru Dec 2016 | Aguadilla | September 23, 1967 0.8 inches | ||||
| Cambalache Exp Forest (661423) Period of Record: Jan 1932 thru Feb 1966 | September 23, 1932 Max Temp: 89°F Min Temp: 71°F | September 23, 1936 Max Temp: 86°F Min Temp: 70°F | September 22, 1960 0.45 inches | Max Temp: 86°F to 89°F Min Temp: 70°F to 71°F | ||
| Candelaria Toa Baja (661536) Period of Record: Jan 1955 thru Aug 1995 | Bayamon | September 22, 1993 2.3 inches | ||||
| Caonillas Utuado (661623) Period of Record: Jan 1955 thru Nov 1987 | Arecibo | September 23, 1978 2.31 inches | ||||
| Carite Dam (661701) Period of Record: Jan 1955 thru Apr 1980 | September 23, 1959 Max Temp: 83°F Min Temp: 69°F | September 23, 1957 Max Temp: 81°F Min Temp: 64°F | September 23, 1957 2.06 inches | Max Temp: 80°F to 82.5°F Min Temp: 65°F to 68°F | ||
| Carite Plt 1 (661712) Period of Record: Jan 1955 thru Mar 1980 | September 23, 1957 2.18 inches | |||||
| Central San Francisco (662316) Period of Record: Jan 1955 thru Feb 2013 | Ponce | September 22, 2008 8.71 inches | ||||
| Cerro Gordo Ciales (662330) Period of Record: Oct 1969 thru Sep 1997 | Arecibo | September 22, 1989 1.12 inches | ||||
| Cerro Maravilla (662336) Period of Record: Apr 1969 thru Nov 2012 | Ponce | September 22, 2009 Max Temp: 81°F Min Temp: 68°F | September 23, 1990 Max Temp: 63°F Min Temp: 59°F | September 23, 1998 6.6 inches | Max Temp: 68°F to 76°F Min Temp: 60°F to 62°F | |
| Coloso (662801) Period of Record: Oct 1899 thru Feb 2017 | Mayaguez | September 22, 1996 Max Temp: 95°F Min Temp: 71°F | September 23, 1979 Max Temp: 81°F Min Temp: 65°F | September 23, 1927 3.1 inches | Max Temp: 88°F to 91°F Min Temp: 67°F to 70°F | |
| Corral Viejo (663023) Period of Record: Apr 1970 thru Jan 2017 | Ponce | September 23, 1998 16.4 inches | ||||
| Dos Bocas (663431) Period of Record: Jan 1937 thru Dec 2016 | Arecibo | September 22, 1948 Max Temp: 93°F Min Temp: 73°F | September 22, 2001 Max Temp: 74°F Min Temp: 68°F | September 22, 2000 2.25 inches | Max Temp: 89°F to 92°F Min Temp: 69°F to 71°F | |
| Garzas (663871) Period of Record: Jan 1939 thru Jan 1981 | September 23, 1959 Max Temp: 86°F Min Temp: 63°F | September 22, 1960 Max Temp: 71°F Min Temp: 53°F | September 23, 1957 1.5 inches | Max Temp: 77°F to 82°F Min Temp: 61°F to 64°F | ||
| Guajataca Dam (663904) Period of Record: Jan 1955 thru Dec 2016 | Quebradillas | September 22, 1960 1.6 inches | ||||
| Guavate Camp (664115) Period of Record: Dec 1969 thru Jun 1994 | Guayama | September 23, 1975 1.2 inches | ||||
| Guayabal (664126) Period of Record: Jan 1955 thru Mar 2008 | Ponce | September 22, 1977 1.9 inches | ||||
| Hacienda Constanza (664330) Period of Record: Oct 1969 thru Apr 2014 | Mayaguez | September 23, 1991 2.25 inches | ||||
| Hato Arriba Arecibo (664340) Period of Record: Feb 1974 thru Aug 1994 | Arecibo | September 22, 1988 0.36 inches | ||||
| Indiera Alta (664677) Period of Record: Oct 1962 thru Jun 1990 | Mayaguez | September 23, 1978 0.5 inches | ||||
| Jajome Alto (664867) Period of Record: Jan 1955 thru Jan 2017 | Guayama | September 22, 2008 7.65 inches | ||||
| Juana Diaz Camp (665020) Period of Record: Jan 1931 thru Dec 2016 | Ponce | September 23, 1959 Max Temp: 93°F Min Temp: 74°F | September 22, 1964 Max Temp: 82°F Min Temp: 71°F | September 23, 1943 2.12 inches | Max Temp: 89°F to 92.5°F Min Temp: 70°F to 72°F | |
| La Muda Caguas (665123) Period of Record: Sep 1971 thru Jun 1994 | Carolina | September 23, 1973 1.22 inches | ||||
| Magueyes Island (665693) Period of Record: Jan 1959 thru Jan 2017 | Mayaguez | September 22, 1997 Max Temp: 93°F Min Temp: 78°F | September 22, 2000 Max Temp: 90°F Min Temp: 69°F | September 23, 1987 2.7 inches | Max Temp: 88.5°F to 91°F Min Temp: 74°F to 76°F | |
| Matrullas Dam (666017) Period of Record: Jan 1955 thru Apr 1981 | September 23, 1970 1.98 inches | |||||
| Mona Island Light Stn (666250) Period of Record: Jan 1935 thru Jun 1958 | September 23, 1944 0.45 inches | |||||
| Mona Island 2 (666258) Period of Record: Feb 1980 thru May 2010 | Mayaguez | September 23, 2002 Max Temp: 95°F Min Temp: 76°F | September 22, 1996 Max Temp: 90°F Min Temp: 63°F | September 23, 1987 1.24 inches | Max Temp: 89°F to 93°F Min Temp: 70.5°F to 75°F | |
| Monte Bello Manati (666270) Period of Record: Oct 1969 thru Oct 2001 | Arecibo | September 22, 1980 1.33 inches | ||||
| Negro -corozal (666514) Period of Record: Jan 1976 thru Nov 2011 | Bayamon | September 23, 2006 0.96 inches | ||||
| Paraiso (666805) Period of Record: Jan 1956 thru Dec 2016 | Humacao | September 22, 2008 6.3 inches | ||||
| Pico Del Este (666992) Period of Record: Oct 1969 thru Sep 2005 | Humacao | September 23, 2003 Max Temp: 76°F Min Temp: 67°F | September 22, 1992 Max Temp: 69°F Min Temp: 61°F | September 22, 2001 1.65 inches | Max Temp: 70.5°F to 73°F Min Temp: 63°F to 65°F | |
| Puerto Real (667492) Period of Record: Jan 1955 thru Aug 2001 | Mayaguez | September 22, 1988 1.4 inches | ||||
| Quebradillas (667843) Period of Record: Jan 1955 thru Sep 2000 | Aguadilla | September 23, 1974 Max Temp: 90°F Min Temp: 80°F | September 23, 1957 Max Temp: 82°F Min Temp: 69°F | September 22, 1989 0.8 inches | Max Temp: 86.5°F to 89°F Min Temp: 69°F to 72.5°F | |
| Ramey Afb (667898) Period of Record: Jan 1949 thru Mar 2014 | Mayaguez | September 23, 1987 Max Temp: 96°F Min Temp: 82°F | September 23, 1949 Max Temp: 82°F Min Temp: 74°F | September 23, 1950 2.27 inches | Max Temp: 85.5°F to 88.5°F Min Temp: 73°F to 75°F | |
| Rio Blanco Lower (668144) Period of Record: Jan 1955 thru Dec 2016 | Humacao | September 22, 2008 3.64 inches | ||||
| Roosevelt Roads (668412) Period of Record: Oct 1942 thru Feb 2017 | Humacao | September 23, 1987 Max Temp: 91°F Min Temp: 81°F | September 23, 1947 Max Temp: 79°F Min Temp: 75°F | September 23, 1965 0.62 inches | Max Temp: 87°F to 90°F Min Temp: 75°F to 79°F | |
| Santa Rita (668955) Period of Record: Jan 1955 thru Jan 2017 | Mayaguez | September 22, 2008 14.7 inches | ||||
| Toro Negro Forest (669432) Period of Record: Aug 1982 thru Dec 2016 | Villalba | September 22, 2005 Max Temp: 83°F Min Temp: 67°F | September 22, 2004 Max Temp: 81°F Min Temp: 65°F | September 22, 2008 4.41 inches | Max Temp: 80.5°F to 83°F Min Temp: 65°F to 66.5°F | |
| Toro Negro Plt 2 (669466) Period of Record: Jan 1955 thru Jul 1981 | Ponce | September 22, 1980 2.67 inches | ||||
| Vieques Island (669763) Period of Record: Jan 1955 thru Sep 1976 | Humacao | September 23, 1955 Max Temp: 90°F Min Temp: 80°F | September 23, 1975 Max Temp: 87°F Min Temp: 67°F | September 22, 1964 0.3 inches | Max Temp: 88°F to 92°F Min Temp: 69.5°F to 74.5°F | |
| Villalba 1 Se (669774) Period of Record: Jan 1955 thru May 2015 | Villalba | September 22, 2008 5.84 inches | ||||
| Adjuntas 1 S (660053) Period of Record: Jan 1955 thru Dec 2015 | Adjuntas | Ponce | September 22, 2008 9.58 inches | |||
| Adjuntas Substn (660061) Period of Record: Jan 1970 thru Dec 2016 | Adjuntas | Adjuntas | September 22, 1997 Max Temp: 86°F Min Temp: 71°F | September 22, 1992 Max Temp: 81°F Min Temp: 58°F | September 23, 1998 22 inches | Max Temp: 82°F to 85°F Min Temp: 59°F to 63°F |
| Aibonito 1 S (660158) Period of Record: Jan 1906 thru Feb 2017 | Aibonito | Aibonito | September 23, 1963 Max Temp: 89°F Min Temp: 73°F | September 23, 1913 Max Temp: 80°F Min Temp: 52°F | September 22, 2008 5.17 inches | Max Temp: 80°F to 84°F Min Temp: 64°F to 68°F |
| Arecibo 3 Ese (660410) Period of Record: Jul 1931 thru Jan 1999 | Arecibo | Arecibo | September 22, 1976 Max Temp: 93°F Min Temp: 74°F | September 23, 1998 Max Temp: 92°F Min Temp: 52°F | September 23, 1998 4.29 inches | Max Temp: 89°F to 91°F Min Temp: 69°F to 72°F |
| Arecibo Obsy (660426) Period of Record: Feb 1980 thru Feb 2017 | Arecibo | Arecibo | September 22, 1997 Max Temp: 89°F Min Temp: 72°F | September 23, 1987 Max Temp: 79°F Min Temp: 65°F | September 23, 1998 8.95 inches | Max Temp: 85°F to 89°F Min Temp: 67°F to 70°F |
| Barceloneta 2 (660662) Period of Record: Jan 1955 thru May 1990 | Barceloneta | Arecibo | September 22, 1981 0.98 inches | |||
| Barranquitas (660736) Period of Record: Jan 1955 thru Dec 1991 | Barranquitas | Guayama | September 22, 1985 Max Temp: 84°F Min Temp: 69°F | September 22, 1984 Max Temp: 75°F Min Temp: 61°F | September 22, 1968 1.16 inches | Max Temp: 81°F to 84°F Min Temp: 65°F to 67°F |
| Caguas (661300) Period of Record: May 1899 thru Aug 1960 | Caguas | September 23, 1959 Max Temp: 95°F Min Temp: 72°F | September 23, 1949 Max Temp: 82°F Min Temp: 63°F | September 22, 1952 3.2 inches | Max Temp: 89°F to 92°F Min Temp: 67°F to 71°F | |
| Caguas 1 W (661309) Period of Record: Mar 1970 thru Mar 1995 | Caguas | Guayama | September 23, 1991 1 inches | |||
| Canovanas (661590) Period of Record: Jan 1955 thru Dec 2015 | Canovanas | Canovanas | September 23, 1959 Max Temp: 93°F Min Temp: 72°F | September 23, 1967 Max Temp: 92°F Min Temp: 66°F | September 22, 2008 3.3 inches | Max Temp: 89.5°F to 92.5°F Min Temp: 69.5°F to 71.5°F |
| Catano (661845) Period of Record: Jan 1955 thru May 1976 | Catano | September 22, 1960 0.8 inches | ||||
| Cayey 1 E (661901) Period of Record: Jan 1955 thru Aug 2012 | Cayey | Guayama | September 23, 1955 Max Temp: 87°F Min Temp: 70°F | September 23, 1979 Max Temp: 79°F Min Temp: 66°F | September 23, 1998 3.37 inches | Max Temp: 83°F to 86°F Min Temp: 65°F to 68°F |
| Cidra 1 E (662634) Period of Record: Jul 1899 thru Jun 1994 | Cidra | Guayama | September 23, 1914 Max Temp: 90°F Min Temp: 68°F | September 24, 1903 Max Temp: 83°F Min Temp: 59°F | September 22, 1952 1.43 inches | Max Temp: 82°F to 86.5°F Min Temp: 64°F to 67.5°F |
| Coamo 2 Sw (662723) Period of Record: Jan 1955 thru Dec 2003 | Coamo | Guayama | September 23, 1957 1.67 inches | |||
| Corozal Substn (662934) Period of Record: Jan 1931 thru Jan 2013 | Corozal | Arecibo | September 22, 1996 Max Temp: 95°F Min Temp: 70°F | September 22, 1977 Max Temp: 82°F Min Temp: 63°F | September 23, 1998 2.07 inches | Max Temp: 86°F to 89°F Min Temp: 68°F to 70°F |
| Culebra Island (663145) Period of Record: Jul 1907 thru Jul 1975 | Culebra | September 23, 1910 Max Temp: 92°F Min Temp: 77°F | September 23, 1908 Max Temp: 87°F Min Temp: 74°F | September 22, 1964 1.04 inches | Max Temp: 87°F to 90.5°F Min Temp: 75.5°F to 78.5°F | |
| Dorado 2 Wnw (663409) Period of Record: Jan 1931 thru May 2006 | Dorado | Arecibo | September 23, 1942 Max Temp: 93°F Min Temp: 74°F | September 22, 2000 Max Temp: 80°F Min Temp: 72°F | September 22, 1988 2.99 inches | Max Temp: 86°F to 89°F Min Temp: 71°F to 74°F |
| Ensenada 1 W (663532) Period of Record: Jan 1955 thru Jan 2017 | Ensenada | Ponce | September 22, 2008 6.25 inches | |||
| Fajardo (663657) Period of Record: Jan 1931 thru Jan 1996 | Fajardo | Fajardo | September 23, 1987 Max Temp: 90°F Min Temp: 80°F | September 23, 1946 Max Temp: 88°F Min Temp: 63°F | September 23, 1954 2 inches | Max Temp: 87°F to 90°F Min Temp: 72°F to 76°F |
| Guayama 2e (664193) Period of Record: Jan 1911 thru Feb 2017 | Guayama | Guayama | September 22, 1993 Max Temp: 93°F Min Temp: 80°F | September 22, 2008 Max Temp: 78°F Min Temp: 71°F | September 22, 2008 20 inches | Max Temp: 88°F to 92°F Min Temp: 74°F to 76°F |
| Gurabo (664271) Period of Record: Apr 1946 thru May 1967 | Gurabo | September 22, 1964 2.5 inches | ||||
| Gurabo Substn (664276) Period of Record: Mar 1956 thru Nov 2015 | Gurabo | Gurabo | September 23, 1999 Max Temp: 92°F Min Temp: 72°F | September 22, 1992 Max Temp: 88°F Min Temp: 62°F | September 22, 2008 7.28 inches | Max Temp: 89°F to 91°F Min Temp: 67°F to 70°F |
| Humacao 2 Sse (664613) Period of Record: Jan 1931 thru Jan 1996 | Humacao | Humacao | September 23, 1932 Max Temp: 92°F Min Temp: 83°F | September 23, 1987 Max Temp: 78°F Min Temp: 70°F | September 22, 1964 2.11 inches | Max Temp: 87°F to 90°F Min Temp: 71°F to 73°F |
| Isabela Substn (664702) Period of Record: Jan 1901 thru Dec 2016 | Isabela | Aguadilla | September 23, 1914 Max Temp: 94°F Min Temp: 74°F | September 23, 1987 Max Temp: 79°F Min Temp: 70°F | September 23, 1998 3.55 inches | Max Temp: 87°F to 89°F Min Temp: 69°F to 72°F |
| Jayuya (664910) Period of Record: Apr 1909 thru Aug 2002 | Jayuya | Ponce | September 23, 1909 Max Temp: 91°F Min Temp: 78°F | September 22, 1952 Max Temp: 80°F Min Temp: 64°F | September 23, 1998 8.36 inches | Max Temp: 85°F to 90°F Min Temp: 64°F to 68°F |
| Jayuya 1 Se (664911) Period of Record: Mar 1960 thru May 1981 | Jayuya | September 22, 1968 2 inches | ||||
| Juncos 1 Se (665064) Period of Record: Jan 1931 thru Feb 2017 | Juncos | Juncos | September 23, 1951 Max Temp: 89°F Min Temp: 78°F | September 23, 1935 Max Temp: 90°F Min Temp: 60°F | September 22, 2008 10.65 inches | Max Temp: 88°F to 90.5°F Min Temp: 68°F to 72°F |
| Lajas Substn (665097) Period of Record: Jan 1900 thru Jan 2017 | Lajas | Mayaguez | September 23, 1987 Max Temp: 93°F Min Temp: 74°F | September 23, 1954 Max Temp: 80°F Min Temp: 65°F | September 23, 1998 9.21 inches | Max Temp: 89°F to 91.5°F Min Temp: 67°F to 70°F |
| Lares (665175) Period of Record: Jun 1903 thru Dec 1991 | Lares | Aguadilla | September 23, 1923 Max Temp: 93°F Min Temp: 69°F | September 23, 1905 Max Temp: 86°F Min Temp: 59°F | September 23, 1961 3.8 inches | Max Temp: 87°F to 90°F Min Temp: 63°F to 67°F |
| Manati 2 E (665807) Period of Record: Jan 1900 thru Jan 2017 | Manati | Arecibo | September 22, 1976 Max Temp: 95°F Min Temp: 71°F | September 23, 1928 Max Temp: 78°F Min Temp: 69°F | September 23, 1949 2.35 inches | Max Temp: 88°F to 90°F Min Temp: 69°F to 72°F |
| Maricao 2 Ssw (665908) Period of Record: May 1969 thru Feb 2017 | Maricao | Mayaguez | September 22, 1997 Max Temp: 85°F Min Temp: 70°F | September 22, 2000 Max Temp: 78°F Min Temp: 62°F | September 22, 2008 6.5 inches | Max Temp: 80.5°F to 83.5°F Min Temp: 64°F to 67°F |
| Maricao Fish Hatchery (665911) Period of Record: Jan 1955 thru Jan 2017 | Maricao | Maricao | September 22, 2001 2.49 inches | |||
| Maunabo (666050) Period of Record: May 1899 thru Apr 2003 | Maunabo | Guayama | September 23, 1908 Max Temp: 92°F Min Temp: 76°F | September 24, 1903 Max Temp: 90°F Min Temp: 70°F | September 23, 1923 4 inches | Max Temp: 89°F to 92°F Min Temp: 71°F to 76°F |
| Mayaguez City (666073) Period of Record: Jan 1900 thru Jan 2013 | Mayaguez | Mayaguez | September 23, 1939 Max Temp: 98°F Min Temp: 68°F | September 23, 1949 Max Temp: 76°F Min Temp: 68°F | September 22, 1980 3.35 inches | Max Temp: 89°F to 91°F Min Temp: 68°F to 71°F |
| Mayaguez Airport (666083) Period of Record: Jan 1957 thru Aug 2015 | Mayaguez | Mayaguez | September 23, 1958 Max Temp: 91°F Min Temp: 76°F | September 23, 1961 Max Temp: 89°F Min Temp: 66°F | September 23, 1998 12 inches | Max Temp: 89°F to 91°F Min Temp: 67°F to 70.5°F |
| Mora Camp (666361) Period of Record: Jan 1955 thru Dec 2016 | Mora | Isabela | September 22, 1964 1.1 inches | |||
| Morovis 1 N (666390) Period of Record: Feb 1956 thru Jan 2017 | Morovis | Morovis | September 23, 1998 2.35 inches | |||
| Naguabo 3 E (666427) Period of Record: Jan 1956 thru May 1983 | Naguabo | Humacao | September 22, 1972 1.31 inches | |||
| San Cristobal (668745) Period of Record: Jan 1956 thru May 1983 | Naguabo | Humacao | September 22, 1972 1.31 inches | |||
| Patillas (666900) Period of Record: Apr 1982 thru Jun 2003 | Patillas | Guayama | September 22, 1989 2 inches | |||
| Patillas Dam (666904) Period of Record: Jan 1931 thru Jan 1969 | Patillas | September 23, 1939 Max Temp: 99°F Min Temp: 73°F | September 23, 1951 Max Temp: 85°F Min Temp: 62°F | September 23, 1938 0.99 inches | Max Temp: 86°F to 89°F Min Temp: 70°F to 74°F | |
| Penuelas 1 E (666983) Period of Record: Mar 1971 thru Jul 2015 | Penuelas | Penuelas | September 23, 1998 12 inches | |||
| Ponce 4 E (667292) Period of Record: Nov 1898 thru Jan 2017 | Ponce | Ponce | September 22, 1997 Max Temp: 95°F Min Temp: 75°F | September 22, 2008 Max Temp: 81°F Min Temp: 63°F | September 22, 2008 8.51 inches | Max Temp: 89°F to 92°F Min Temp: 71°F to 74°F |
| Ponce City (667295) Period of Record: Jul 1970 thru Aug 1998 | Ponce | Ponce | September 22, 1981 1.07 inches | |||
| Ponce Mercedita Ap (667297) Period of Record: Feb 1946 thru Nov 1968 | Ponce | September 23, 1967 Max Temp: 95°F Min Temp: 72°F | September 22, 1960 Max Temp: 87°F Min Temp: 66°F | September 23, 1957 2.27 inches | Max Temp: 88°F to 94°F Min Temp: 67°F to 73°F | |
| Rincon (668126) Period of Record: Jun 1968 thru Jan 2017 | Rincon | Aguadilla | September 22, 1972 Max Temp: 93°F Min Temp: 77°F | September 23, 1983 Max Temp: 79°F Min Temp: 75°F | September 22, 1997 2.45 inches | Max Temp: 89°F to 92°F Min Temp: 71°F to 75°F |
| Rio Grande El Verde (668245) Period of Record: Feb 1956 thru Dec 1987 | Rio Grande | Humacao | September 23, 1983 1.8 inches | |||
| Rio Piedras (668301) Period of Record: Jan 1931 thru Dec 1961 | Rio Piedras | September 22, 1948 Max Temp: 90°F Min Temp: 75°F | September 23, 1949 Max Temp: 81°F Min Temp: 71°F | September 22, 1960 1.86 inches | Max Temp: 87°F to 90°F Min Temp: 70°F to 72°F | |
| Rio Piedras Exp Stn (668306) Period of Record: Jan 1959 thru Jan 2017 | Rio Piedras | San Juan | September 23, 1999 Max Temp: 94°F Min Temp: 75°F | September 23, 1994 Max Temp: 92°F Min Temp: 63°F | September 22, 2008 4.27 inches | Max Temp: 88°F to 91°F Min Temp: 70°F to 73.5°F |
| Sabana Grande 2 Ene (668535) Period of Record: Nov 1955 thru Apr 1977 | Sabana Grande | September 23, 1970 1.69 inches | ||||
| Sabana Grande 2 Ene (668536) Period of Record: Sep 1907 thru Dec 2016 | Sabana Grande | Sabana Grande | September 22, 2008 4.65 inches | |||
| San German 4 W (668757) Period of Record: Nov 1904 thru Jul 1973 | San German | September 23, 1943 Max Temp: 90°F Min Temp: 79°F | September 23, 1949 Max Temp: 86°F Min Temp: 65°F | September 23, 1965 2.08 inches | Max Temp: 90°F to 92°F Min Temp: 66.5°F to 70°F | |
| San Juan City (668808) Period of Record: May 1916 thru May 1977 | San Juan | September 23, 1971 Max Temp: 92°F Min Temp: 75°F | September 23, 1954 Max Temp: 80°F Min Temp: 73°F | September 22, 1972 2.68 inches | Max Temp: 86°F to 88°F Min Temp: 74°F to 76°F | |
| San Juan Intl Ap (668812) Period of Record: Jan 1956 thru Feb 2017 | San Juan | San Juan | September 22, 2004 Max Temp: 93°F Min Temp: 78°F | September 22, 2008 Max Temp: 81°F Min Temp: 73°F | September 22, 2008 2.63 inches | Max Temp: 87.5°F to 90°F Min Temp: 74°F to 78°F |
| San Lorenzo 3s (668815) Period of Record: Mar 1966 thru Dec 2016 | San Lorenzo | Humacao | September 22, 2008 14.83 inches | |||
| San Lorenzo Farm 2 Nw (668822) Period of Record: Jan 1955 thru Sep 1988 | San Lorenzo | Humacao | September 22, 1977 0.64 inches | |||
| San Sebastian 2 Wnw (668881) Period of Record: Apr 1955 thru Oct 1997 | San Sebastian | Aguadilla | September 22, 1980 Max Temp: 96°F Min Temp: 69°F | September 23, 1987 Max Temp: 82°F Min Temp: 56°F | September 23, 1965 2 inches | Max Temp: 91°F to 93°F Min Temp: 65°F to 68°F |
| Santa Isabel 2 Ene (668940) Period of Record: Jan 1955 thru Jul 2012 | Santa Isabel | Ponce | September 22, 2008 12.25 inches | |||
| Toa Baja 1 Ssw (669421) Period of Record: Jan 1955 thru Aug 1994 | Toa Baja | Bayamon | September 22, 1964 1.37 inches | |||
| Trujillo Alto 2 Ssw (669521) Period of Record: Feb 1957 thru Dec 2016 | Trujillo Alto | Trujillo Alto | September 22, 2005 Max Temp: 92°F Min Temp: 78°F | September 22, 2009 Max Temp: 87°F Min Temp: 62°F | September 22, 2009 3.05 inches | Max Temp: 88°F to 91.5°F Min Temp: 71°F to 73°F |
| Utuado (669608) Period of Record: Jan 1931 thru Jul 1998 | Utuado | Arecibo | September 23, 1955 Max Temp: 94°F Min Temp: 69°F | September 23, 1987 Max Temp: 77°F Min Temp: 66°F | September 23, 1941 1.97 inches | Max Temp: 89°F to 91.5°F Min Temp: 65°F to 68°F |
| Yabucoa 1 Nne (669829) Period of Record: Jan 1955 thru Mar 1995 | Yabucoa | Humacao | September 22, 1985 Max Temp: 90°F Min Temp: 75°F | September 23, 1975 Max Temp: 86°F Min Temp: 71°F | September 23, 1979 1.37 inches | Max Temp: 86°F to 90°F Min Temp: 71°F to 74°F |
| Yauco 1 Nw (669860) Period of Record: Dec 1981 thru Nov 2010 | Yauco | Mayaguez | September 22, 2008 11.46 inches |
