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State Climate Office of North Carolina
Email: sco@climate.ncsu.edu
Phone: 919-515-3056
Phone: 919-515-3056
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Weather Extremes for Summer Solstice in Puerto Rico
- Warmest Summer Solstice occurred on June 21, 1963 at Juana Diaz Camp (665020)
- Max Temp: 93°F
- Min Temp: 85°F
- Coldest Summer Solstice occurred on June 20, 1992 at Cerro Maravilla (662336)
- Max Temp: 66°F
- Min Temp: 58°F
- Highest Precipitation Amount: 5.63 inches on June 21, 1941 at Caguas (661300)
*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: Summer Solstice statistics are generated using as much data as possible for a given station beginning June 21, 1850.
Below is a table listing the warmest, coldest, and wettest Summer Solstices for various NWS Cooperative stations across Puerto Rico. This list can be sorted by clicking on each respective column heading.
| Station | City | County | Warmest Summer Solstice | Coldest Summer Solstice | Wettest Summer Solstice | Typical Summer Solstice Temperatures |
| Aceituna (660040) Period of Record: Jan 1955 thru Jun 2015 | Adjuntas | June 21, 1981 2 inches | ||||
| Aguirre (660147) Period of Record: Jan 1931 thru Oct 1966 | June 21, 1949 Max Temp: 91°F Min Temp: 81°F | June 22, 1931 Max Temp: 81°F Min Temp: 71°F | June 22, 1931 1.2 inches | Max Temp: 88°F to 91°F Min Temp: 73°F to 75°F | ||
| Aguirre (660152) Period of Record: Apr 1955 thru Jan 2017 | Guayama | June 21, 1990 Max Temp: 89°F Min Temp: 79°F | June 21, 1993 Max Temp: 86°F Min Temp: 70°F | June 21, 2006 1.64 inches | Max Temp: 88°F to 89°F Min Temp: 72°F to 76°F | |
| Candelaria Toa Baja (660842) Period of Record: Jan 1955 thru Aug 1995 | Bayamon | June 21, 1968 4.79 inches | ||||
| Benavente-hormigueros (660900) Period of Record: Aug 1973 thru May 2004 | Mayaguez | June 21, 1977 Max Temp: 97°F Min Temp: 70°F | June 21, 1989 Max Temp: 89°F Min Temp: 66°F | June 21, 1981 2.6 inches | Max Temp: 89°F to 92.5°F Min Temp: 66.5°F to 71°F | |
| Boca (660948) Period of Record: Jan 1955 thru Feb 2013 | Ponce | June 21, 1987 0.57 inches | ||||
| Borinquen Ap (660974) Period of Record: Jan 1949 thru Mar 2014 | Mayaguez | June 21, 1981 Max Temp: 95°F Min Temp: 74°F | June 21, 1965 Max Temp: 85°F Min Temp: 70°F | June 21, 1983 2.1 inches | Max Temp: 85°F to 88°F Min Temp: 72°F to 75°F | |
| Cacaos-orocovis (661142) Period of Record: May 1981 thru Oct 2011 | Ponce | June 21, 1987 1.04 inches | ||||
| Calero Camp (661345) Period of Record: Jan 1955 thru Dec 2016 | Aguadilla | June 21, 2007 3 inches | ||||
| Cambalache Exp Forest (661423) Period of Record: Jan 1932 thru Feb 1966 | June 21, 1932 Max Temp: 92°F Min Temp: 69°F | June 21, 1938 Max Temp: 88°F Min Temp: 69°F | June 21, 1964 2.7 inches | Max Temp: 88°F to 92°F Min Temp: 69°F to 71°F | ||
| Candelaria Toa Baja (661536) Period of Record: Jan 1955 thru Aug 1995 | Bayamon | June 21, 1968 4.79 inches | ||||
| Caonillas Utuado (661623) Period of Record: Jan 1955 thru Nov 1987 | Arecibo | June 22, 1955 2.86 inches | ||||
| Carite Dam (661701) Period of Record: Jan 1955 thru Apr 1980 | June 21, 1963 Max Temp: 81°F Min Temp: 68°F | June 21, 1959 Max Temp: 79°F Min Temp: 64°F | June 21, 1958 1.7 inches | Max Temp: 79°F to 80.5°F Min Temp: 65.5°F to 67.5°F | ||
| Carite Plt 1 (661712) Period of Record: Jan 1955 thru Mar 1980 | June 21, 1958 1.48 inches | |||||
| Central San Francisco (662316) Period of Record: Jan 1955 thru Feb 2013 | Ponce | June 21, 1987 0.57 inches | ||||
| Cerro Gordo Ciales (662330) Period of Record: Oct 1969 thru Sep 1997 | Arecibo | June 21, 1987 1.1 inches | ||||
| Cerro Maravilla (662336) Period of Record: Apr 1969 thru Nov 2012 | Ponce | June 21, 2005 Max Temp: 78°F Min Temp: 69°F | June 20, 1992 Max Temp: 66°F Min Temp: 58°F | June 21, 1969 2 inches | Max Temp: 69.5°F to 76°F Min Temp: 60°F to 64°F | |
| Coloso (662801) Period of Record: Oct 1899 thru Feb 2017 | Mayaguez | June 21, 1932 Max Temp: 95°F Min Temp: 70°F | June 21, 1978 Max Temp: 82°F Min Temp: 65°F | June 21, 1956 3.45 inches | Max Temp: 89°F to 91°F Min Temp: 67°F to 70°F | |
| Corral Viejo (663023) Period of Record: Apr 1970 thru Jan 2017 | Ponce | June 21, 1987 2.05 inches | ||||
| Dos Bocas (663431) Period of Record: Jan 1937 thru Dec 2016 | Arecibo | June 21, 1953 Max Temp: 93°F Min Temp: 76°F | June 21, 1956 Max Temp: 89°F Min Temp: 65°F | June 22, 1951 2.13 inches | Max Temp: 89°F to 93°F Min Temp: 68°F to 71°F | |
| Garzas (663871) Period of Record: Jan 1939 thru Jan 1981 | June 21, 1942 Max Temp: 83°F Min Temp: 67°F | June 21, 1946 Max Temp: 72°F Min Temp: 56°F | June 21, 1979 1.35 inches | Max Temp: 76°F to 83°F Min Temp: 60.5°F to 67°F | ||
| Guajataca Dam (663904) Period of Record: Jan 1955 thru Dec 2016 | Quebradillas | June 21, 1956 1.7 inches | ||||
| Guavate Camp (664115) Period of Record: Dec 1969 thru Jun 1994 | Guayama | June 21, 1972 1.04 inches | ||||
| Guayabal (664126) Period of Record: Jan 1955 thru Mar 2008 | Ponce | June 21, 1987 2.55 inches | ||||
| Hacienda Constanza (664330) Period of Record: Oct 1969 thru Apr 2014 | Mayaguez | June 21, 1981 2 inches | ||||
| Hato Arriba Arecibo (664340) Period of Record: Feb 1974 thru Aug 1994 | Arecibo | June 21, 1978 0.64 inches | ||||
| Indiera Alta (664677) Period of Record: Oct 1962 thru Jun 1990 | Mayaguez | June 21, 1981 1.8 inches | ||||
| Jajome Alto (664867) Period of Record: Jan 1955 thru Jan 2017 | Guayama | June 21, 1987 1.65 inches | ||||
| Juana Diaz Camp (665020) Period of Record: Jan 1931 thru Dec 2016 | Ponce | June 21, 1963 Max Temp: 93°F Min Temp: 85°F | June 22, 1931 Max Temp: 81°F Min Temp: 71°F | June 20, 1988 2.55 inches | Max Temp: 88.5°F to 92°F Min Temp: 70°F to 72°F | |
| La Muda Caguas (665123) Period of Record: Sep 1971 thru Jun 1994 | Carolina | June 21, 1987 0.97 inches | ||||
| Magueyes Island (665693) Period of Record: Jan 1959 thru Jan 2017 | Mayaguez | June 21, 1995 Max Temp: 93°F Min Temp: 80°F | June 20, 2000 Max Temp: 88°F Min Temp: 71°F | June 21, 1993 1.19 inches | Max Temp: 88°F to 92°F Min Temp: 74°F to 77°F | |
| Matrullas Dam (666017) Period of Record: Jan 1955 thru Apr 1981 | June 21, 1976 0.07 inches | |||||
| Mona Island Light Stn (666250) Period of Record: Jan 1935 thru Jun 1958 | June 21, 1940 0.41 inches | |||||
| Mona Island 2 (666258) Period of Record: Feb 1980 thru May 2010 | Mayaguez | June 21, 1998 Max Temp: 96°F Min Temp: 74°F | June 21, 1982 Max Temp: 82°F Min Temp: 72°F | June 21, 1982 1.12 inches | Max Temp: 90°F to 93°F Min Temp: 72.5°F to 76°F | |
| Monte Bello Manati (666270) Period of Record: Oct 1969 thru Oct 2001 | Arecibo | June 21, 1978 1.4 inches | ||||
| Negro -corozal (666514) Period of Record: Jan 1976 thru Nov 2011 | Bayamon | June 21, 2006 0.48 inches | ||||
| Paraiso (666805) Period of Record: Jan 1956 thru Dec 2016 | Humacao | June 21, 1958 2 inches | ||||
| Pico Del Este (666992) Period of Record: Oct 1969 thru Sep 2005 | Humacao | June 21, 1983 Max Temp: 78°F Min Temp: 68°F | June 21, 1976 Max Temp: 66°F Min Temp: 60°F | June 21, 1987 1.5 inches | Max Temp: 69°F to 71°F Min Temp: 62°F to 65°F | |
| Puerto Real (667492) Period of Record: Jan 1955 thru Aug 2001 | Mayaguez | June 21, 1987 1.6 inches | ||||
| Quebradillas (667843) Period of Record: Jan 1955 thru Sep 2000 | Aguadilla | June 21, 1963 Max Temp: 93°F Min Temp: 72°F | June 21, 1956 Max Temp: 85°F Min Temp: 65°F | June 21, 1993 0.95 inches | Max Temp: 85°F to 89°F Min Temp: 68.5°F to 72°F | |
| Ramey Afb (667898) Period of Record: Jan 1949 thru Mar 2014 | Mayaguez | June 21, 1981 Max Temp: 95°F Min Temp: 74°F | June 21, 1965 Max Temp: 85°F Min Temp: 70°F | June 21, 1983 2.1 inches | Max Temp: 85°F to 88°F Min Temp: 72°F to 75°F | |
| Rio Blanco Lower (668144) Period of Record: Jan 1955 thru Dec 2016 | Humacao | June 21, 2002 1.87 inches | ||||
| Roosevelt Roads (668412) Period of Record: Oct 1942 thru Feb 2017 | Humacao | June 21, 1993 Max Temp: 91°F Min Temp: 81°F | June 21, 1963 Max Temp: 84°F Min Temp: 75°F | June 21, 1987 2.2 inches | Max Temp: 87°F to 89.5°F Min Temp: 75°F to 79°F | |
| Santa Rita (668955) Period of Record: Jan 1955 thru Jan 2017 | Mayaguez | June 21, 1987 2.6 inches | ||||
| Toro Negro Forest (669432) Period of Record: Aug 1982 thru Dec 2016 | Villalba | June 21, 2005 Max Temp: 83°F Min Temp: 69°F | June 21, 2006 Max Temp: 78°F Min Temp: 65°F | June 21, 1998 0.7 inches | Max Temp: 79.5°F to 83°F Min Temp: 65°F to 67.5°F | |
| Toro Negro Plt 2 (669466) Period of Record: Jan 1955 thru Jul 1981 | Ponce | June 21, 1956 0.95 inches | ||||
| Vieques Island (669763) Period of Record: Jan 1955 thru Sep 1976 | Humacao | June 21, 1969 Max Temp: 93°F Min Temp: 76°F | June 21, 1968 Max Temp: 90°F Min Temp: 65°F | June 21, 1958 0.5 inches | Max Temp: 88°F to 90°F Min Temp: 70.5°F to 74°F | |
| Villalba 1 Se (669774) Period of Record: Jan 1955 thru May 2015 | Villalba | June 21, 1981 1.65 inches | ||||
| Adjuntas 1 S (660053) Period of Record: Jan 1955 thru Dec 2015 | Adjuntas | Ponce | June 20, 1996 3.35 inches | |||
| Adjuntas Substn (660061) Period of Record: Jan 1970 thru Dec 2016 | Adjuntas | Adjuntas | June 21, 1995 Max Temp: 87°F Min Temp: 73°F | June 20, 1996 Max Temp: 83°F Min Temp: 57°F | June 20, 1996 1.01 inches | Max Temp: 83°F to 86°F Min Temp: 59°F to 65°F |
| Aibonito 1 S (660158) Period of Record: Jan 1906 thru Feb 2017 | Aibonito | Aibonito | June 22, 1911 Max Temp: 88°F Min Temp: 70°F | June 21, 1967 Max Temp: 71°F Min Temp: 55°F | June 21, 1909 1.66 inches | Max Temp: 79°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 | June 21, 1978 Max Temp: 90°F Min Temp: 78°F | June 20, 1988 Max Temp: 80°F Min Temp: 74°F | June 21, 1983 0.8 inches | Max Temp: 88°F to 91°F Min Temp: 68°F to 71°F |
| Arecibo Obsy (660426) Period of Record: Feb 1980 thru Feb 2017 | Arecibo | Arecibo | June 21, 2001 Max Temp: 91°F Min Temp: 71°F | June 21, 1989 Max Temp: 86°F Min Temp: 54°F | June 21, 1991 2 inches | Max Temp: 86.5°F to 89.5°F Min Temp: 64°F to 69°F |
| Barceloneta 2 (660662) Period of Record: Jan 1955 thru May 1990 | Barceloneta | Arecibo | June 21, 1956 0.62 inches | |||
| Barranquitas (660736) Period of Record: Jan 1955 thru Dec 1991 | Barranquitas | Guayama | June 21, 1980 Max Temp: 84°F Min Temp: 71°F | June 21, 1989 Max Temp: 79°F Min Temp: 63°F | June 21, 1958 0.13 inches | Max Temp: 80°F to 84°F Min Temp: 64.5°F to 67°F |
| Caguas (661300) Period of Record: May 1899 thru Aug 1960 | Caguas | June 21, 1949 Max Temp: 94°F Min Temp: 75°F | June 21, 1941 Max Temp: 77°F Min Temp: 71°F | June 21, 1941 5.63 inches | Max Temp: 88°F to 91°F Min Temp: 68°F to 71°F | |
| Caguas 1 W (661309) Period of Record: Mar 1970 thru Mar 1995 | Caguas | Guayama | June 21, 1987 0.75 inches | |||
| Canovanas (661590) Period of Record: Jan 1955 thru Dec 2015 | Canovanas | Canovanas | June 21, 1960 Max Temp: 91°F Min Temp: 71°F | June 21, 1965 Max Temp: 88°F Min Temp: 67°F | June 21, 1987 1.78 inches | Max Temp: 87°F to 91°F Min Temp: 67.5°F to 72°F |
| Catano (661845) Period of Record: Jan 1955 thru May 1976 | Catano | June 21, 1968 1.65 inches | ||||
| Cayey 1 E (661901) Period of Record: Jan 1955 thru Aug 2012 | Cayey | Guayama | June 21, 1998 Max Temp: 86°F Min Temp: 76°F | June 21, 1987 Max Temp: 76°F Min Temp: 68°F | June 21, 1987 0.8 inches | Max Temp: 83°F to 86°F Min Temp: 65°F to 71.5°F |
| Cidra 1 E (662634) Period of Record: Jul 1899 thru Jun 1994 | Cidra | Guayama | June 21, 1977 Max Temp: 84°F Min Temp: 72°F | June 22, 1903 Max Temp: 80°F Min Temp: 59°F | June 21, 1941 3.67 inches | Max Temp: 82°F to 85°F Min Temp: 64.5°F to 68°F |
| Coamo 2 Sw (662723) Period of Record: Jan 1955 thru Dec 2003 | Coamo | Guayama | June 21, 1987 2.12 inches | |||
| Corozal Substn (662934) Period of Record: Jan 1931 thru Jan 2013 | Corozal | Arecibo | June 21, 1933 Max Temp: 92°F Min Temp: 75°F | June 22, 1935 Max Temp: 83°F Min Temp: 67°F | June 21, 1971 0.99 inches | Max Temp: 87°F to 91°F Min Temp: 68°F to 71°F |
| Culebra Island (663145) Period of Record: Jul 1907 thru Jul 1975 | Culebra | June 22, 1911 Max Temp: 92°F Min Temp: 77°F | June 21, 1909 Max Temp: 82°F Min Temp: 71°F | June 21, 1909 1.33 inches | Max Temp: 83.5°F to 91°F Min Temp: 72.5°F to 77°F | |
| Dorado 2 Wnw (663409) Period of Record: Jan 1931 thru May 2006 | Dorado | Arecibo | June 21, 2005 Max Temp: 90°F Min Temp: 76°F | June 20, 2000 Max Temp: 81°F Min Temp: 71°F | June 21, 1968 3.8 inches | Max Temp: 86°F to 89°F Min Temp: 71°F to 73°F |
| Ensenada 1 W (663532) Period of Record: Jan 1955 thru Jan 2017 | Ensenada | Ponce | June 20, 1992 0.4 inches | |||
| Fajardo (663657) Period of Record: Jan 1931 thru Jan 1996 | Fajardo | Fajardo | June 21, 1995 Max Temp: 91°F Min Temp: 82°F | June 22, 1931 Max Temp: 83°F Min Temp: 70°F | June 21, 1987 2.15 inches | Max Temp: 86°F to 89°F Min Temp: 73°F to 77°F |
| Guayama 2e (664193) Period of Record: Jan 1911 thru Feb 2017 | Guayama | Guayama | June 21, 1952 Max Temp: 93°F Min Temp: 79°F | June 21, 1921 Max Temp: 82°F Min Temp: 73°F | June 21, 1993 5.4 inches | Max Temp: 88°F to 91°F Min Temp: 74°F to 77°F |
| Gurabo (664271) Period of Record: Apr 1946 thru May 1967 | Gurabo | June 21, 1949 0.9 inches | ||||
| Gurabo Substn (664276) Period of Record: Mar 1956 thru Nov 2015 | Gurabo | Gurabo | June 21, 1963 Max Temp: 92°F Min Temp: 80°F | June 20, 1996 Max Temp: 89°F Min Temp: 59°F | June 21, 2006 1.6 inches | Max Temp: 88°F to 90.5°F Min Temp: 68°F to 71°F |
| Humacao 2 Sse (664613) Period of Record: Jan 1931 thru Jan 1996 | Humacao | Humacao | June 21, 1981 Max Temp: 89°F Min Temp: 79°F | June 21, 1990 Max Temp: 89°F Min Temp: 61°F | June 21, 1953 1.75 inches | Max Temp: 87°F to 89°F Min Temp: 71°F to 75°F |
| Isabela Substn (664702) Period of Record: Jan 1901 thru Dec 2016 | Isabela | Aguadilla | June 21, 1990 Max Temp: 92°F Min Temp: 75°F | June 21, 1976 Max Temp: 84°F Min Temp: 63°F | June 22, 1955 2.59 inches | Max Temp: 86°F to 89°F Min Temp: 68°F to 72°F |
| Jayuya (664910) Period of Record: Apr 1909 thru Aug 2002 | Jayuya | Ponce | June 21, 1954 Max Temp: 89°F Min Temp: 77°F | June 22, 1926 Max Temp: 81°F Min Temp: 61°F | June 21, 1921 0.95 inches | Max Temp: 84°F to 90°F Min Temp: 62°F to 67°F |
| Jayuya 1 Se (664911) Period of Record: Mar 1960 thru May 1981 | Jayuya | June 21, 1968 0.7 inches | ||||
| Juncos 1 Se (665064) Period of Record: Jan 1931 thru Feb 2017 | Juncos | Juncos | June 21, 2005 Max Temp: 93°F Min Temp: 75°F | June 21, 1933 Max Temp: 86°F Min Temp: 60°F | June 21, 1941 2.3 inches | Max Temp: 87.5°F to 90°F Min Temp: 69°F to 72°F |
| Lajas Substn (665097) Period of Record: Jan 1900 thru Jan 2017 | Lajas | Mayaguez | June 21, 1969 Max Temp: 95°F Min Temp: 71°F | June 21, 1956 Max Temp: 88°F Min Temp: 63°F | June 21, 1971 1.97 inches | Max Temp: 90°F to 92°F Min Temp: 67.5°F to 71°F |
| Lares (665175) Period of Record: Jun 1903 thru Dec 1991 | Lares | Aguadilla | June 21, 1964 Max Temp: 92°F Min Temp: 69°F | June 21, 1956 Max Temp: 85°F Min Temp: 61°F | June 21, 1917 3.96 inches | Max Temp: 87°F to 90.5°F Min Temp: 63°F to 66°F |
| Manati 2 E (665807) Period of Record: Jan 1900 thru Jan 2017 | Manati | Arecibo | June 21, 1990 Max Temp: 94°F Min Temp: 77°F | June 21, 1930 Max Temp: 74°F Min Temp: 62°F | June 21, 1956 0.98 inches | Max Temp: 87°F to 91°F Min Temp: 69°F to 73°F |
| Maricao 2 Ssw (665908) Period of Record: May 1969 thru Feb 2017 | Maricao | Mayaguez | June 21, 1980 Max Temp: 90°F Min Temp: 70°F | June 21, 2002 Max Temp: 74°F Min Temp: 66°F | June 21, 2002 1.91 inches | Max Temp: 80°F to 84°F Min Temp: 65°F to 67°F |
| Maricao Fish Hatchery (665911) Period of Record: Jan 1955 thru Jan 2017 | Maricao | Maricao | June 21, 1976 1.11 inches | |||
| Maunabo (666050) Period of Record: May 1899 thru Apr 2003 | Maunabo | Guayama | June 22, 1903 Max Temp: 95°F Min Temp: 79°F | June 21, 1909 Max Temp: 83°F Min Temp: 69°F | June 21, 1909 2.51 inches | Max Temp: 85.5°F to 90.5°F Min Temp: 72.5°F to 78°F |
| Mayaguez City (666073) Period of Record: Jan 1900 thru Jan 2013 | Mayaguez | Mayaguez | June 21, 1990 Max Temp: 96°F Min Temp: 72°F | June 21, 1921 Max Temp: 86°F Min Temp: 64°F | June 21, 1969 1.8 inches | Max Temp: 88.5°F to 92°F Min Temp: 67°F to 70.5°F |
| Mayaguez Airport (666083) Period of Record: Jan 1957 thru Aug 2015 | Mayaguez | Mayaguez | June 21, 1969 Max Temp: 92°F Min Temp: 73°F | June 21, 1963 Max Temp: 89°F Min Temp: 65°F | June 21, 1968 1.12 inches | Max Temp: 89°F to 91.5°F Min Temp: 66°F to 69.5°F |
| Mora Camp (666361) Period of Record: Jan 1955 thru Dec 2016 | Mora | Isabela | June 21, 1956 1.85 inches | |||
| Morovis 1 N (666390) Period of Record: Feb 1956 thru Jan 2017 | Morovis | Morovis | June 21, 1984 1.4 inches | |||
| Naguabo 3 E (666427) Period of Record: Jan 1956 thru May 1983 | Naguabo | Humacao | June 21, 1966 1.6 inches | |||
| San Cristobal (668745) Period of Record: Jan 1956 thru May 1983 | Naguabo | Humacao | June 21, 1966 1.6 inches | |||
| Patillas (666900) Period of Record: Apr 1982 thru Jun 2003 | Patillas | Guayama | June 21, 1984 0.14 inches | |||
| Patillas Dam (666904) Period of Record: Jan 1931 thru Jan 1969 | Patillas | June 21, 1963 Max Temp: 87°F Min Temp: 75°F | June 21, 1953 Max Temp: 85°F Min Temp: 62°F | June 21, 1941 1.2 inches | Max Temp: 85°F to 87°F Min Temp: 68.5°F to 73°F | |
| Penuelas 1 E (666983) Period of Record: Mar 1971 thru Jul 2015 | Penuelas | Penuelas | June 21, 1987 1.2 inches | |||
| Ponce 4 E (667292) Period of Record: Nov 1898 thru Jan 2017 | Ponce | Ponce | June 21, 1977 Max Temp: 94°F Min Temp: 79°F | June 21, 1900 Max Temp: 83°F Min Temp: 66°F | June 21, 1909 3.11 inches | Max Temp: 88°F to 91°F Min Temp: 72°F to 75°F |
| Ponce City (667295) Period of Record: Jul 1970 thru Aug 1998 | Ponce | Ponce | June 21, 1987 1.65 inches | |||
| Ponce Mercedita Ap (667297) Period of Record: Feb 1946 thru Nov 1968 | Ponce | June 22, 1947 Max Temp: 92°F Min Temp: 76°F | June 21, 1960 Max Temp: 86°F Min Temp: 66°F | June 21, 1958 0.3 inches | Max Temp: 89°F to 92°F Min Temp: 70.5°F to 74.5°F | |
| Rincon (668126) Period of Record: Jun 1968 thru Jan 2017 | Rincon | Aguadilla | June 21, 1990 Max Temp: 90°F Min Temp: 78°F | June 21, 1991 Max Temp: 82°F Min Temp: 68°F | June 20, 2000 2.8 inches | Max Temp: 87°F to 90°F Min Temp: 71°F to 74°F |
| Rio Grande El Verde (668245) Period of Record: Feb 1956 thru Dec 1987 | Rio Grande | Humacao | June 21, 1956 1.15 inches | |||
| Rio Piedras (668301) Period of Record: Jan 1931 thru Dec 1961 | Rio Piedras | June 21, 1960 Max Temp: 91°F Min Temp: 79°F | June 21, 1941 Max Temp: 79°F Min Temp: 71°F | June 21, 1941 1.9 inches | Max Temp: 87°F to 90°F Min Temp: 69°F to 72°F | |
| Rio Piedras Exp Stn (668306) Period of Record: Jan 1959 thru Jan 2017 | Rio Piedras | San Juan | June 21, 1998 Max Temp: 94°F Min Temp: 77°F | June 21, 1987 Max Temp: 83°F Min Temp: 69°F | June 21, 1991 1.5 inches | Max Temp: 87.5°F to 91°F Min Temp: 70°F to 75°F |
| Sabana Grande 2 Ene (668535) Period of Record: Nov 1955 thru Apr 1977 | Sabana Grande | June 21, 1971 1.27 inches | ||||
| Sabana Grande 2 Ene (668536) Period of Record: Sep 1907 thru Dec 2016 | Sabana Grande | Sabana Grande | June 21, 1909 2.2 inches | |||
| San German 4 W (668757) Period of Record: Nov 1904 thru Jul 1973 | San German | June 21, 1969 Max Temp: 92°F Min Temp: 77°F | June 21, 1924 Max Temp: 80°F Min Temp: 67°F | June 21, 1971 1.42 inches | Max Temp: 90°F to 92°F Min Temp: 67°F to 70°F | |
| San Juan City (668808) Period of Record: May 1916 thru May 1977 | San Juan | June 21, 1972 Max Temp: 91°F Min Temp: 76°F | June 21, 1976 Max Temp: 85°F Min Temp: 72°F | June 21, 1924 0.68 inches | Max Temp: 85°F to 87°F Min Temp: 74°F to 76.5°F | |
| San Juan Intl Ap (668812) Period of Record: Jan 1956 thru Feb 2017 | San Juan | San Juan | June 21, 1983 Max Temp: 96°F Min Temp: 80°F | June 21, 1956 Max Temp: 86°F Min Temp: 70°F | June 21, 1987 2.06 inches | Max Temp: 87°F to 90°F Min Temp: 74°F to 79°F |
| San Lorenzo 3s (668815) Period of Record: Mar 1966 thru Dec 2016 | San Lorenzo | Humacao | June 21, 2006 2.1 inches | |||
| San Lorenzo Farm 2 Nw (668822) Period of Record: Jan 1955 thru Sep 1988 | San Lorenzo | Humacao | June 21, 1976 1.15 inches | |||
| San Sebastian 2 Wnw (668881) Period of Record: Apr 1955 thru Oct 1997 | San Sebastian | Aguadilla | June 21, 1990 Max Temp: 95°F Min Temp: 72°F | June 21, 1965 Max Temp: 92°F Min Temp: 63°F | June 21, 1985 1.87 inches | Max Temp: 91°F to 93°F Min Temp: 67°F to 70°F |
| Santa Isabel 2 Ene (668940) Period of Record: Jan 1955 thru Jul 2012 | Santa Isabel | Ponce | June 21, 1987 1.94 inches | |||
| Toa Baja 1 Ssw (669421) Period of Record: Jan 1955 thru Aug 1994 | Toa Baja | Bayamon | June 21, 1963 Max Temp: 86°F Min Temp: 72°F | June 21, 1963 Max Temp: 86°F Min Temp: 72°F | June 21, 1968 3.9 inches | Max Temp: 86°F to 86°F Min Temp: 72°F to 72°F |
| Trujillo Alto 2 Ssw (669521) Period of Record: Feb 1957 thru Dec 2016 | Trujillo Alto | Trujillo Alto | June 20, 2008 Max Temp: 93°F Min Temp: 77°F | June 21, 1987 Max Temp: 83°F Min Temp: 68°F | June 21, 1991 0.97 inches | Max Temp: 89°F to 92°F Min Temp: 70°F to 74°F |
| Utuado (669608) Period of Record: Jan 1931 thru Jul 1998 | Utuado | Arecibo | June 22, 1939 Max Temp: 93°F Min Temp: 73°F | June 21, 1987 Max Temp: 81°F Min Temp: 68°F | June 21, 1963 2.3 inches | Max Temp: 89°F to 92°F Min Temp: 64°F to 68°F |
| Yabucoa 1 Nne (669829) Period of Record: Jan 1955 thru Mar 1995 | Yabucoa | Humacao | June 21, 1985 Max Temp: 89°F Min Temp: 78°F | June 21, 1989 Max Temp: 87°F Min Temp: 70°F | June 21, 1969 1.32 inches | Max Temp: 87.5°F to 89°F Min Temp: 72.5°F to 76.5°F |
| Yauco 1 Nw (669860) Period of Record: Dec 1981 thru Nov 2010 | Yauco | Mayaguez | June 21, 1987 1.1 inches |
