| Station Name |
Months |
Country |
Earliest |
Most Recent |
| PORT BASQUES(AUTO) | 32 | Canada | Jul 1992 | May 1995 |
| PORT ALBERNI (AUT) | 115 | Canada | Jan 2004 | Oct 2013 |
| PORT ALBERNI COX LAKE | 965 | Canada | Jul 1917 | May 2013 |
| PORT ALBERNI REDFORD | 151 | Canada | May 1959 | Dec 1971 |
| PORT ALBERNI SHUHUM CREEK | 133 | Canada | Sep 1987 | Mar 2000 |
| PORT ALBERNI,B.C. | 520 | Canada | Nov 1969 | Oct 2013 |
| PORT ALCAN | 265 | United States | Sep 1985 | Oct 2013 |
| PORT ALEXANDER | 562 | United States | Jun 1949 | Oct 2013 |
| PORT ALFRED AIRPORT | 115 | South Africa | Feb 1998 | Oct 2013 |
| PORT ALICE | 644 | Canada | Jan 1956 | Sep 2013 |
| PORT ALLEGANY | 104 | United States | Feb 1976 | Sep 2013 |
| PORT ALLEN CAA AP | 76 | United States | Oct 1949 | Oct 2000 |
| PORT ALSWORTH 1 SW | 45 | United States | Oct 2009 | Oct 2013 |
| PORT ALSWORTH AIR | 634 | United States | Jul 1960 | Oct 2013 |
| PORT ALSWORTH ALASKA | 229 | United States | Jul 1992 | Oct 2013 |
| PORT ANGELES | 1361 | United States | Oct 1891 | Mar 2008 |
| PORT ANGELES | 1089 | United States | Jan 1900 | Dec 1990 |
| PORT ANGELES INTL AP | 316 | United States | Jan 1943 | Oct 2013 |
| PORT ARANSAS | 316 | United States | Jan 1986 | Sep 2013 |
| PORT ARANSAS (CGS) | 339 | United States | Oct 1975 | Oct 2013 |
| PORT ARANSAS 32 NNE | 71 | United States | Dec 2007 | Oct 2013 |
| PORT ARANSAS MUSTANG BEACH AP | 83 | United States | Mar 2005 | Oct 2013 |
| PORT ARTHUR | 769 | Canada | Jul 1877 | Jul 1941 |
| PORT ARTHUR | 468 | China | Jan 1906 | Dec 1944 |
| PORT ARTHUR (PALMER | 139 | Australia | Apr 1990 | May 2002 |
| PORT ARTHUR (PALMERS LOOKOUT) | 283 | Australia | Dec 1980 | Jan 2005 |
| PORT ARTHUR JEFFERSON COUNTY | 792 | United States | Oct 1947 | Sep 2013 |
| PORT ARTHUR WB CITY | 250 | United States | Sep 1946 | Dec 1967 |
| PORT ARTHUR/JEFFERSON CO., TX. | 490 | United States | Jan 1973 | Oct 2013 |
| PORT AUGUSTA ARID | 198 | Australia | Jan 1997 | Oct 2013 |
| PORT AUGUSTA ARID LANDS | 71 | Australia | Jan 1995 | May 2001 |
| PORT AUGUSTA POST OFFICE | 59 | Australia | Jan 1957 | Jun 1962 |
| PORT AUGUSTA POWER STATION | 531 | Australia | Jan 1962 | Sep 2013 |
| PORT AUSTIN WWTP | 419 | United States | May 1896 | Oct 2013 |
| PORT BLAIR ANDAMAN ISLANDS | 1700 | India | Jan 1868 | Oct 2013 |
| PORT BLANDFORD | 182 | Canada | Nov 1982 | Nov 2005 |
| PORT BURWELL | 165 | Canada | May 1904 | Jul 1921 |
| PORT CHICAGO | 99 | United States | May 2005 | Oct 2013 |
| PORT CHICAGO NAVAL DEP | 351 | United States | May 1946 | Sep 1975 |
| PORT CLARENCE | 190 | United States | Feb 1897 | Aug 1995 |
| PORT CLEMENTS,BC | 118 | Canada | Jan 1967 | Feb 1988 |
| PORT CLINTON 1 S | 571 | United States | Jan 1931 | May 1979 |
| PORT CLYDE | 287 | United States | Jun 1989 | Sep 2013 |
| PORT COLBORNE | 4 | Canada | Jan 2011 | Jan 2012 |
| PORT COLBORNE (AUT), ONT | 580 | Canada | Jul 1964 | Sep 2013 |
| PORT COQUITLAM CITY YARD | 184 | Canada | Feb 1971 | Dec 1988 |
| PORT CRESCENT | 6 | United States | May 1916 | Jun 1917 |
| PORT DALHOUSIE | 461 | Canada | May 1957 | Sep 1996 |
| PORT DANIEL,QU | 762 | Canada | Feb 1927 | Dec 1990 |
| PORT DAVEY (MELALEUCA) | 18 | Australia | Apr 1965 | Oct 1969 |
| PORT DEPOSIT 2 NE | 43 | United States | Apr 1897 | May 2006 |
| PORT DOUGLAS - WARNER ST | 610 | Australia | Jan 1907 | Dec 1968 |
| PORT DOVER,ON | 1242 | Canada | Aug 1875 | Dec 1983 |
| PORT EADS | 303 | United States | Jan 1893 | Feb 1942 |
| PORT EDWARD | 181 | South Africa | Mar 1998 | Oct 2013 |
| PORT EDWARDS | 88 | United States | Nov 1910 | Jun 1919 |
| PORT ELGIN | 116 | Canada | Sep 1992 | Oct 2003 |
| PORT ELIZABETH | 1543 | South Africa | Jan 1885 | Oct 2013 |
| PORT ELMSLEY | 140 | Canada | Dec 1951 | Oct 1968 |
| PORT EN BESSIN | 187 | France | Apr 1984 | Jul 2007 |
| PORT EVERGLADES CHA | 45 | United States | Aug 2009 | Oct 2013 |
| PORT FAIRY AWS | 550 | Australia | Jan 1903 | Oct 2013 |
| PORT FRANCQUI | 329 | Zaire | Jan 1951 | Dec 1980 |
| PORT GENTIL GABO PORT | 782 | Gabon | Jan 1941 | Oct 2013 |
| PORT GIBSON 1 NE | 1449 | United States | Jun 1889 | Jul 2013 |
| PORT GRAHAM | 13 | United States | Dec 1999 | Feb 2002 |
| PORT HARCOURT NIGI PORT | 457 | Nigeria | Jan 1951 | Nov 2009 |
| PORT HARDY AIRPORT | 833 | Canada | Jan 1944 | Sep 2013 |
| PORT HASTINGS,NS | 669 | Canada | Oct 1875 | Sep 1989 |
| PORT HAWKESBURY, NS | 203 | Canada | Dec 1985 | Oct 2013 |
| PORT HEDLAND MILOS AWS COMPARI | 27 | Australia | Jan 1999 | Jul 2001 |
| PORT HEDLAND PARDOO | 136 | Australia | Jun 1990 | Jan 2005 |
| PORT HEDLAND POST OFFICE | 1212 | Australia | Nov 1912 | Oct 2013 |
| PORT HEIDEN AP | 709 | United States | Oct 1927 | Oct 2013 |
| PORT HOOD | 337 | Canada | Jul 1950 | Oct 1992 |
| PORT HOPE | 194 | United States | Sep 1997 | Oct 2013 |
| PORT HOPE AMOS | 324 | United States | Mar 1980 | Oct 2013 |
| PORT HOPE,ON | 493 | Canada | May 1897 | Mar 1992 |
| PORT HURON | 963 | United States | Jan 1931 | Sep 2013 |
| PORT HURON (CGS) | 191 | United States | Feb 1977 | Jun 1996 |
| PORT HURON ST CLAIR AP | 10 | United States | Jan 2005 | Dec 2005 |
| PORT INGLESIDE | 13 | United States | Sep 2012 | Oct 2013 |
| PORT INLAND | 66 | United States | Nov 2007 | Oct 2013 |
| PORT ISABEL | 920 | United States | Mar 1896 | Oct 2013 |
| PORT ISABEL | 92 | United States | Apr 2005 | Oct 2013 |
| PORT ISABEL CAMERON AP | 169 | United States | Nov 1998 | Oct 2013 |
| PORT ISABEL CAMERON COUNTY AP | 70 | United States | Jan 1958 | Dec 2004 |
| PORT JEFFERSON | 42 | United States | Aug 2004 | Dec 2008 |
| PORT JERVIS BRIDGE | 1428 | United States | Jan 1893 | Oct 2013 |
| PORT KEATS AERO | 133 | Australia | Mar 2001 | Oct 2013 |
| PORT KEATS AWS AUT | 195 | Australia | Nov 1978 | Sep 1999 |
| PORT KEATS POLICE | 50 | Australia | Jul 1965 | May 1971 |
| PORT KELLS | 110 | Canada | Apr 1953 | May 1965 |
| PORT KEMBLA SIGNAL STATION | 221 | Australia | Jan 1957 | Feb 1976 |
| PORT LAVACA | 10 | United States | Oct 2012 | Oct 2013 |
| PORT LAVACA 1 SW | 757 | United States | Feb 1901 | Oct 2013 |
| PORT LAW | 133 | Canada | Nov 1995 | Jan 2013 |
| PORT LINCOLN (TOD RIVER) | 188 | Australia | Sep 1973 | Dec 1993 |
| PORT LINCOLN AERO | 252 | Australia | Aug 1992 | Oct 2013 |
| PORT LINCOLN POST OFFICE | 1311 | Australia | Jan 1892 | Feb 2002 |
| PORT LIONS | 70 | United States | Aug 2002 | Apr 2009 |
| PORT LOCKROY ANVERS I. | 62 | Antarctica | Mar 1944 | Dec 1952 |
| PORT LYAUTEY MOROCCO/CRAW FLD | 8 | Morocco | Jan 1943 | Sep 1943 |
| PORT MACQUARIE (BELLEVUE GARDE | 1154 | Australia | Jan 1907 | Oct 2003 |
| PORT MACQUARIE AIRPORT AWS | 218 | Australia | Aug 1995 | Oct 2013 |
| PORT MANATEE | 11 | United States | Oct 2012 | Oct 2013 |
| PORT MANSFIELD | 641 | United States | Feb 1958 | Oct 2013 |
| PORT MCNEILL | 68 | Canada | Oct 1974 | Nov 1982 |
| PORT MELLON, BC | 866 | Canada | Apr 1913 | Oct 2013 |
| PORT MENIER | 104 | Canada | Dec 1981 | Nov 1992 |
| PORT MENIER (MARS)& | 95 | Canada | Jan 1973 | Mar 1981 |
| PORT MENIER AUT | 33 | Canada | Jan 2011 | Oct 2013 |
| PORT MENIER, | 767 | Canada | May 1929 | Dec 2010 |
| PORT MOLLER | 129 | United States | Dec 1923 | May 1969 |
| PORT MOLLER | 10 | United States | Dec 2012 | Oct 2013 |
| PORT MOODY CENTRE | 55 | Canada | Feb 1970 | Jul 1989 |
| PORT MOODY GLENAYRE | 343 | Canada | Dec 1970 | Aug 2010 |
| PORT MORESBY | 472 | Papua New Guinea | Jan 1891 | Nov 1941 |
| PORT MORESBY AP FROM 660060 | 1315 | Papua New Guinea | Jan 1903 | Oct 2013 |
| PORT NELSON,MA | 177 | Canada | May 1915 | Jun 1934 |
| PORT NOLLOTH | 419 | South Africa | Apr 1960 | Oct 2013 |
| PORT O CONNOR | 623 | United States | Apr 1948 | Sep 2012 |
| PORT OCONNOR (CGS) | 4 | United States | Dec 1975 | Mar 1976 |
| PORT OF MORGAN | 417 | United States | May 1976 | Oct 2013 |
| PORT ORFORD | 98 | United States | May 2005 | Oct 2013 |
| PORT ORFORD NO 2 | 1180 | United States | Mar 1905 | Sep 2013 |
| PORT PERRY NONQUON | 140 | Canada | Nov 1983 | Apr 2006 |
| PORT PIRIE AERODROME | 25 | Australia | Aug 2006 | Sep 2013 |
| PORT PIRIE NYRSTAR COMPARISON | 1064 | Australia | Jan 1922 | Aug 2012 |
| PORT PROTECTION | 17 | United States | Jun 1984 | Jan 1987 |
| PORT RADIUM AUT | 327 | Canada | Dec 1937 | Sep 1974 |
| PORT RENFREW | 473 | Canada | Mar 1970 | Aug 2013 |
| PORT RICHEY | 64 | United States | Aug 2004 | Jul 2010 |
| PORT RICHEY (ASOS) | 23 | United States | Jan 1997 | Dec 1998 |
| PORT SAID | 387 | Egypt | May 1957 | Oct 2013 |
| PORT SAID EGYP PORT | 1540 | Egypt | Jul 1880 | Oct 2013 |
| PORT SALERNO 5W | 124 | United States | Aug 2002 | Oct 2013 |
| PORT SAN JUAN | 369 | United States | Jul 1980 | Sep 2013 |
| PORT SAN LUIS | 51 | United States | Jun 2009 | Oct 2013 |
| PORT SANILAC | 34 | United States | Feb 2008 | Oct 2013 |
| PORT SAUNDERS | 221 | Canada | Dec 1979 | Dec 2000 |
| PORT SHEPSTONE | 432 | South Africa | Jan 1960 | Mar 1996 |
| PORT SIMPSON,BC | 276 | Canada | Jun 1886 | Jun 1910 |
| PORT STANLEY | 66 | Canada | Apr 2002 | Jul 2013 |
| PORT STANLEY,ON | 1038 | Canada | May 1874 | May 1993 |
| PORT SUDAN | 1230 | Sudan | Jan 1906 | Oct 2013 |
| PORT SULPHUR | 340 | United States | Aug 1935 | Dec 1964 |
| PORT SWETTENHAM | 67 | Malaysia | Jan 1940 | Oct 1953 |
| PORT TOWNSEND | 1439 | United States | Jan 1890 | Oct 2013 |
| PORT VIEJO - GRANJA | 531 | Ecuador | Jan 1961 | Sep 2013 |
| PORT WASHINGTON | 1032 | United States | Jan 1893 | Oct 2013 |
| PORT WELLER (AUT) | 95 | Canada | Jan 2004 | Oct 2013 |
| PORT WELLER (MARS) | 363 | Canada | Jul 1977 | Dec 2010 |
| PORT WING | 580 | United States | Jul 1947 | Nov 2008 |
| PORT WING | 78 | United States | Mar 2007 | Oct 2013 |
| PORT-ANGELES | 1169 | United States | Oct 1891 | Dec 1990 |
| PORT-AU-PRIN | 156 | Haiti | Jan 1892 | Dec 1913 |
| PORT-AU-PRIN | 12 | Haiti | Jan 1951 | Dec 1951 |
| PORT-AU-PRINCE/AEROPORT INT. | 1293 | Haiti | Jan 1864 | Oct 2013 |
| PORT-AUX-BASQUES, NFLD. | 1083 | Canada | Jan 1909 | Oct 2013 |
| PORT-AUX-FRANCAIS (ILES KERGUELEN) | 654 | French Southern and Antarctic Lands [France] | Feb 1950 | Oct 2013 |
| PORT-BOUET | 47 | Cote D'Ivoire | Jan 1947 | Dec 1950 |
| PORT-GIBSON-1NW | 1304 | United States | Aug 1855 | Nov 1996 |
| PORT-JERVIS | 1255 | United States | Jan 1880 | Dec 1990 |
| PORT-TOWNSEND | 1372 | United States | Jan 1859 | Dec 1990 |
| PORTAGE | 1397 | United States | May 1891 | Oct 2013 |
| PORTAGE | 79 | United States | Dec 2004 | Oct 2011 |
| PORTAGE (CGS) | 115 | United States | Feb 1977 | Aug 1990 |
| PORTAGE 1 S | 226 | United States | Jun 1936 | Feb 1995 |
| PORTAGE CANAL | 77 | United States | Nov 2006 | Oct 2013 |
| PORTAGE DES ROCHES | 691 | Canada | Jan 1926 | Apr 1984 |
| PORTAGE GLACIER V C | 177 | United States | Jun 1993 | Oct 2013 |
| PORTAGE LA PRAIRIE | 824 | Canada | Jan 1886 | Sep 1971 |
| PORTAGE LA PRAIRIE 2 | 341 | Canada | May 1963 | May 1996 |
| PORTAGE SOUTHPORT | 72 | Canada | May 1995 | Oct 2013 |
| PORTAGE SOUTHPORT A | 773 | Canada | Jul 1941 | Oct 2013 |
| PORTAGEVILLE | 694 | United States | Mar 1952 | Mar 2012 |
| PORTAGEVILLE | 235 | United States | Jan 1898 | Apr 1920 |
| PORTAL | 659 | United States | Dec 1893 | Aug 1973 |
| PORTAL 4 SW | 759 | United States | Jan 1914 | Sep 2013 |
| PORTALEGRE | 630 | Portugal | Jan 1961 | Sep 2013 |
| PORTALES | 1238 | United States | Feb 1905 | Oct 2013 |
| PORTALES 7 WNW | 311 | United States | Apr 1934 | Sep 1960 |
| PORTER CREEK WAHL | 157 | Canada | Nov 1989 | Dec 2004 |
| PORTERVILLE | 1193 | United States | Jul 1902 | Jun 2004 |
| PORTERVILLE | 179 | South Africa | Mar 1998 | Oct 2013 |
| PORTERVILLE | 132 | United States | Mar 1905 | Oct 1916 |
| PORTERVILLE MUNI AP | 248 | United States | Jul 1992 | Oct 2013 |
| PORTGLENONE | 224 | United Kingdom | Oct 1994 | Oct 2013 |
| PORTHILL | 1462 | United States | Aug 1889 | Oct 2013 |
| PORTIS | 63 | United States | Aug 1965 | Dec 1994 |
| PORTLAND | 1179 | United States | Apr 1909 | Oct 2013 |
| PORTLAND | 956 | Australia | Jan 1863 | Dec 1956 |
| PORTLAND (CASHMORE AIRPORT) | 369 | Australia | Jul 1982 | Sep 2013 |
| PORTLAND 1 SW | 23 | United States | Sep 2011 | Sep 2013 |
| PORTLAND AERO | 99 | Australia | Oct 1973 | May 1982 |
| PORTLAND BILL (LH) | 89 | United Kingdom | Jan 1930 | Feb 1989 |
| PORTLAND BILL C.G. | 228 | United Kingdom | Mar 1973 | Feb 1992 |
| PORTLAND CASHMORE A | 280 | Australia | Jun 1990 | Oct 2013 |
| PORTLAND HELIPORT | 215 | United Kingdom | Feb 1973 | Jan 1999 |
| PORTLAND INTERNATIONAL AP | 1686 | United States | Jan 1873 | Oct 2013 |
| PORTLAND KGW TV | 447 | United States | Jul 1973 | Oct 2013 |
| PORTLAND NWSFO | 210 | United States | Apr 1996 | Sep 2013 |
| PORTLAND PORTLAND-TROUTDALE A | 759 | United States | Jan 1948 | Oct 2013 |
| PORTLAND SEWAGE PLANT | 690 | United States | Jul 1955 | Sep 2013 |
| PORTLAND WTR WKS | 398 | United States | Apr 1974 | Aug 2013 |
| PORTLAND-HILLSBORO AP | 181 | United States | Jul 1998 | Oct 2013 |
| PORTLAND/HILLSBORO | 380 | United States | Dec 1981 | Oct 2013 |
| PORTLAND/INTNL. JET PORT, ME. | 1675 | United States | Apr 1874 | Oct 2013 |
| PORTMUCK | 26 | United Kingdom | Mar 1975 | Nov 1978 |
| PORTO ALEGRE (AERO- PORTO) | 883 | Brazil | Apr 1924 | Oct 2013 |
| PORTO ALEGRE /AEROP | 463 | Brazil | Jan 1973 | Oct 2013 |
| PORTO AMBOIM ANGO PORT | 227 | Angola | Mar 1949 | Aug 1979 |
| PORTO BELLO | 86 | United States | Jan 1905 | Nov 1912 |
| PORTO DE MOZ | 77 | Brazil | Jan 1973 | Dec 2009 |
| PORTO NACIONAL | 617 | Brazil | Jan 1949 | Oct 2013 |
| PORTO NACIONAL /AER | 214 | Brazil | Jan 1973 | Oct 2013 |
| PORTO SANTO A | 883 | Madeira Islands [Portugal] | Jan 1940 | Oct 2013 |
| PORTO SEGURO | 41 | Brazil | Sep 2007 | Mar 2011 |
| PORTO SEGURO AERO | 34 | Brazil | Oct 2010 | Oct 2013 |
| PORTO URUCU AIRPORT | 4 | Brazil | Mar 2013 | Jul 2013 |
| PORTO VELHO /AEROPO | 344 | Brazil | Dec 1982 | Oct 2013 |
| PORTO VELHO/AEROPORTO | 625 | Brazil | Jan 1957 | Aug 2013 |
| PORTO-NOVO | 346 | Benin | Jan 1897 | Dec 1936 |
| PORTO/PEDRAS RUBRAS | 1077 | Portugal | Dec 1863 | Oct 2013 |
| PORTO/SERRA DO PILAR | 807 | Portugal | Jan 1941 | Mar 2008 |
| PORTOLA | 1105 | United States | Feb 1915 | Oct 2013 |
| PORTOROZ | 369 | Slovenia | Sep 1975 | Aug 2006 |
| PORTOROZ-LETALISCE | 306 | Slovenia | Jan 1987 | Aug 2013 |
| PORTOROZ/SECOVLJE | 214 | Slovenia | Jan 1996 | Oct 2013 |
| PORTOVIEJO | 100 | Ecuador | Jan 1931 | May 1942 |
| PORTOVIEJO-AEROPUER | 46 | Ecuador | Oct 1977 | Jul 1982 |
| PORTOVIEJO/REALES | 73 | Ecuador | May 1942 | Jun 1977 |
| PORTREEVE | 38 | Canada | Sep 1981 | Aug 1985 |
| PORTRUSH | 6 | United Kingdom | Mar 1994 | Jun 1998 |
| PORTSEA QUARANTINE STATION | 102 | Australia | Feb 1965 | Feb 1978 |
| PORTSMOUTH | 150 | United States | Apr 1900 | Nov 1946 |
| PORTSMOUTH AREA WB | 24 | United States | Jul 1953 | Jun 1955 |
| PORTSMOUTH PEASE AFB | 409 | United States | Aug 1947 | Dec 2005 |
| PORTSMOUTH US GRANT BRIDGE | 1437 | United States | Feb 1893 | Aug 2013 |
| PORTSMOUTH-SCIOTOVIL | 1854 | United States | Jan 1835 | Dec 1990 |
| PORTUGAL COVE, CONCEPTION BAY | 127 | Canada | Dec 1987 | Dec 2005 |
| PORTVILLE | 67 | United States | Nov 1962 | Oct 1968 |