
Below are all stations available online. Click a station name for more information or to get archived data. Sort the list by clicking the respective column name. Each station is color coded according to its type. The color key is found at the bottom of this page.
This list is sorted by station name
| Name | ID | City | State | County | Lat,Lon | Type | Start Date | Most Recent ob | Data |
| NC-DH-8 | NC | Durham County | 0°,-70.9° | CoCoRaHS | 2007-09-01 | 2009-01-08 | D M | ||
| AL-CV-2 | AL | Covington County | 0°,0° | CoCoRaHS | 2007-11-13 | 2007-11-13 | D M | ||
| AL-MR-2 | AL | Marion County | 39.3°,-80.1° | CoCoRaHS | 2007-11-05 | 2007-11-10 | D M | ||
| SC-LR-1 | SC | Laurens County | 0°,-82.2° | CoCoRaHS | 2008-03-06 | 2008-06-10 | D M | ||
| SC-JS-1 | SC | Jasper County | 0°,0° | CoCoRaHS | 2008-03-08 | 2008-03-08 | D M | ||
| SC-KR-6 | SC | Kershaw County | 0°,0° | CoCoRaHS | 2008-03-23 | 2008-03-23 | D M | ||
| AL-CY-2 | AL | Clay County | 46.3°,-116.2° | CoCoRaHS | 2008-06-28 | 2009-01-01 | D M | ||
| KY-LT-1 | KY | Letcher County | 0°,0° | CoCoRaHS | 2008-10-31 | 2008-12-12 | D M | ||
| WV-MI-1 | WV | Mingo County | 0°,0° | CoCoRaHS | 2009-05-08 | 2009-05-16 | D M | ||
| KY-WH-3 | KY | Whitley County | 0°,0° | CoCoRaHS | 2009-11-19 | 2009-11-20 | D M | ||
| AL-EL-23 | AL | Elmore County | 0°,0° | CoCoRaHS | D M | ||||
| GA-GW-24 | GA | Gwinnett County | 33.9°,-84.1° | CoCoRaHS | D M | ||||
| 41001 | 41001 | 150 NM East Of Cape Hatteras | AO | Atlantic Ocean | 34.7°,-72.7° | BUOY | 1976-06-01 | 2007-09-23 | H D M |
| 41002 | 41002 | 250 NM East Of Charleston | AO | South Hatteras | 32.3°,-75.4° | BUOY | 1973-11-30 | 2007-02-24 | H D M |
| 41003 | 41003 | Atlantic Ocean | AO | Atlantic Ocean | 30.3°,-80.4° | BUOY | 1977-06-30 | 1982-01-06 | H D M |
| 41004 | 41004 | 41 NM Southeast Of Charleston | AO | Edisto | 32.5°,-79.1° | BUOY | 1978-06-27 | 2007-07-21 | H D M |
| 41005 | 41005 | Atlantic Ocean | AO | Atlantic Ocean | 31.7°,-79.7° | BUOY | 1979-03-28 | 1982-01-18 | H D M |
| 41006 | 41006 | Atlantic Ocean | AO | Atlantic Ocean | 29.3°,-77.3° | BUOY | 1982-05-26 | 1996-04-21 | H D M |
| 41007 | 41007 | Atlantic Ocean | AO | Atlantic Ocean | 34.2°,-76.5° | BUOY | 1986-01-18 | 1986-04-01 | H D M |
| 41008 | 41008 | 40 NM Southeast Of Savannah | AO | Grays Reef | 31.4°,-80.9° | BUOY | 1988-03-15 | 2009-05-20 | H D M |
| 41009 | 41009 | 20 NM East Of Cape Canaveral | AO | Canaveral | 28.5°,-80.2° | BUOY | 1988-08-09 | 2009-11-23 | H D M |
| 41010 | 41010 | 120 NM East Of Cape Canaveral | AO | Canaveral East | 29°,-78.5° | BUOY | 1988-11-10 | 2009-11-23 | H D M |
| 41011 | 41011 | Atlantic Ocean | AO | Atlantic Ocean | 28.2°,-80.1° | BUOY | 1989-07-17 | 1989-10-17 | H D M |
| 41012 | 41012 | 40 NM ENE of St. Augustine | AO | St. Augustine | 30°,-80.6° | BUOY | 2002-06-25 | 2009-11-23 | H D M |
| 41013 | 41013 | Frying Pan Shoals | AO | Atlantic Ocean | 33.4°,-77.7° | BUOY | 2003-11-11 | 2009-11-23 | H D M |
| 41015 | 41015 | Atlantic Ocean | AO | Atlantic Ocean | 35.4°,-75.3° | BUOY | 1993-05-23 | 1993-07-24 | H D M |
| 41016 | 41016 | Atlantic Ocean | AO | Atlantic Ocean | 24.6°,-76.5° | BUOY | 1992-05-03 | 1995-06-10 | H D M |
| 41017 | 41017 | Atlantic Ocean | AO | Atlantic Ocean | 35.4°,-75.1° | BUOY | 1991-08-29 | 1993-07-24 | H D M |
| 41018 | 41018 | Atlantic Ocean | AO | Atlantic Ocean | 15°,-75° | BUOY | 1994-08-08 | 1996-02-14 | H D M |
| 41021 | 41021 | Atlantic Ocean | AO | Olympic Northeast | 31.9°,-80.8° | BUOY | 1994-06-30 | 1996-11-16 | H D M |
| 41022 | 41022 | Atlantic Ocean | AO | Olympic Southwest | 31.9°,-80.9° | BUOY | 1995-07-19 | 1996-12-08 | H D M |
| 41023 | 41023 | Atlantic Ocean | AO | Olympic Southwest | 31.9°,-80.9° | BUOY | 1996-01-31 | 1996-09-11 | H D M |
| 41025 | 41025 | Atlantic Ocean | AO | Diamond Shoals (Red) | 35°,-75.4° | BUOY | 2003-03-28 | 2009-11-23 | H D M |
| 44014 | 44014 | 64 NM East of Virginia Beach | AO | Virginia Beach | 36.6°,-74.8° | BUOY | 2003-12-25 | 2009-11-23 | H D M |
| 7 Mile Ridge | N7MR | Marshall | NC | Madison County | 35.8°,-82.7° | RAWS | 2004-01-06 | 2009-11-23 | H D M |
| A S R Rsch Lab | 420302 | Salt Lake City | UT | Salt Lake County | 40.7°,-111.9° | COOP | 1950-01-01 | 1978-12-31 | D M |
| Aakukui 1007 | 510006 | HI | Kauai County | 22°,-159.4° | COOP | 1919-01-01 | 1963-04-30 | D M | |
| Aasufou | 914000 | AS | Western (district) County | -14.3°,-170.8° | COOP | 1980-01-01 | 2009-07-31 | D M N | |
| Abbeville | 010008 | Abbeville | AL | Henry County | 31.6°,-85.2° | COOP | 1948-07-01 | 2009-06-30 | D M N |
| Abbeville | 160007 | Abbeville | LA | Vermilion County | 30°,-92.1° | COOP | 1891-02-01 | 2009-10-31 | D M N |
| Abbeville | 220008 | Abbeville | MS | Lafayette County | 34.5°,-89.5° | COOP | 1942-10-01 | 2009-06-30 | D M N |
| Abbeville 10.8 NE | AL-HN-2 | Abbeville | AL | Henry County | 31.7°,-85.2° | CoCoRaHS | 2009-06-14 | 2009-11-23 | D M |
| Abbeville 4 S | 090010 | Abbeville | GA | Wilcox County | 31.9°,-83.3° | COOP | 1903-08-01 | 2009-11-23 | D M N |
| Abbott | 030006 | Abbott | AR | Scott County | 35.1°,-94.2° | COOP | 1941-07-01 | 2009-06-30 | D M N |
| Abbott 1 Se | 290022 | NM | Colfax County | 36.3°,-104.2° | COOP | 1909-07-01 | 2009-06-30 | D M N | |
| Abbott Mine | 040006 | CA | Lake County | 39°,-122.4° | COOP | 1960-08-01 | 1962-12-31 | D M | |
| Abercrombie | 320005 | Abercrombie | ND | Richland County | 46.5°,-96.7° | COOP | 1956-03-01 | 2009-06-17 | D M N |
| Aberdeen | 150012 | Aberdeen | KY | Butler County | 37.2°,-86.7° | COOP | 1978-05-01 | 2009-11-17 | D M N |
| Aberdeen | 220021 | Aberdeen | MS | Monroe County | 33.8°,-88.5° | COOP | 1892-07-01 | 2009-11-23 | D M N |
| Aberdeen | 450008 | Aberdeen | WA | Grays Harbor County | 47°,-123.8° | COOP | 1891-07-01 | 2009-11-19 | D M N |
| Aberdeen | 460012 | WV | County | 39.1°,-80.3° | COOP | 1924-06-05 | 1959-12-31 | D M | |
| Aberdeen 20nne | 450013 | Aberdeen | WA | Grays Harbor County | 47.3°,-123.7° | COOP | 1927-01-01 | 2007-04-29 | D M N |
| Aberdeen Exp Stn | 100010 | Aberdeen | ID | Bingham County | 43°,-112.8° | COOP | 1914-04-07 | 2009-11-23 | D M N |
| Aberdeen Phillips Fld | 180015 | Aberdeen | MD | Harford County | 39.5°,-76.2° | COOP | 1919-06-01 | 2009-11-23 | D M N |
| Aberdeen Rgnl Ap | 390020 | SD | Brown County | 45.4°,-98.4° | COOP | 1893-01-01 | 2009-11-22 | D M N | |
| Abernathy | 410012 | TX | Hale County | 33.8°,-101.9° | COOP | 1943-11-01 | 2009-11-23 | D M N | |
| Abilene | 140010 | KS | Dickinson County | 38.9°,-97.2° | COOP | 1893-01-01 | 2009-11-22 | D M N | |
| Abilene 2 | 410013 | Abilene | TX | Taylor County | 32.3°,-99.8° | COOP | 2000-06-05 | 2009-10-13 | D M |
| Abilene Rgnl Ap | 410016 | Abilene | TX | Taylor County | 32.4°,-99.7° | COOP | 1944-03-01 | 2009-11-22 | D M N |
| Abingdon 0.5 NNE | MD-HR-13 | Abingdon | MD | Harford County | 39.5°,-76.3° | CoCoRaHS | 2007-08-08 | 2009-11-23 | D M |
| Abingdon 3 S | 440021 | Abingdon | VA | Washington County | 36.7°,-82° | COOP | 1969-12-01 | 2009-11-23 | D M N |
| Abingdon 3.2 ESE | VA-WH-3 | Abingdon | VA | Washington County | 36.7°,-81.9° | CoCoRaHS | 2007-05-08 | 2007-05-21 | D M |
| Abingdon 7 WSW | 440013 | Bristol | VA | Washington County | 36.7°,-82.1° | COOP | 1887-08-01 | 1962-03-31 | D M |
| Abingdon Airport | KVJI | Abingdon | VA | Washington County | 36.7°,-82° | AWOS | 2000-12-14 | 2009-11-23 | H D M |
| Abiquiu | 290039 | Abiquiu | NM | County | 36.2°,-106.2° | COOP | 1942-10-01 | 1948-09-24 | D M |
| Abiquiu Dam | 290041 | Abiquiu | NM | Rio Arriba County | 36.2°,-106.4° | COOP | 1957-06-01 | 2009-11-23 | D M N |
| Abita Rvr Covington | 160012 | LA | St. Tammany County | 30.5°,-90.1° | COOP | 2004-07-21 | 2009-11-23 | D M | |
| Abita Springs 1 Sw | 160016 | Abita Springs | LA | St. Tammany County | 30.5°,-90° | COOP | 1944-03-11 | 2009-11-23 | D M |
| Abita Springs Fire Twr | 160021 | Abita Springs | LA | St. Tammany County | 30.4°,-90° | COOP | 1973-04-01 | 2009-06-30 | D M N |
| Abrams Creek | 400008 | Maryville | TN | Blount County | 35.6°,-83.9° | COOP | 1949-01-05 | 1962-03-31 | D M |
| Academy 2 Ne | 390043 | Academy | SD | Charles Mix County | 43.5°,-99.1° | COOP | 1898-07-01 | 2009-11-22 | D M N |
| Acadia Np | 170100 | ME | Hancock County | 44.4°,-68.3° | COOP | 1982-09-01 | 2009-06-30 | D M N | |
| Acampo 5 Ne | 040010 | CA | San Joaquin County | 38.2°,-121.2° | COOP | 1926-07-01 | 2009-06-30 | D M | |
| Accident 2.8 NNE | MD-GR-3 | Accident | MD | Garrett County | 39.7°,-79.3° | CoCoRaHS | 2004-05-14 | 2009-11-20 | D M |
| Accokeek 0.5 N | MD-PG-31 | Accokeek | MD | Prince George's County | 38.7°,-77° | CoCoRaHS | 2006-05-01 | 2006-08-31 | D M |
| Accomac 0.4 E | VA-AC-4 | Accomac | VA | Accomack County | 37.7°,-75.7° | CoCoRaHS | 2007-05-17 | 2007-08-28 | D M |
| Aceituna | 660040 | PR | Adjuntas County | 18.2°,-66.5° | COOP | 1955-01-02 | 2009-09-05 | D M N | |
| Achilles | 140020 | KS | Rawlins County | 39.7°,-100.8° | COOP | 1893-07-01 | 1964-04-22 | D M | |
| Achurra Rch | 260012 | NV | County | 40.4°,-115.6° | COOP | 1952-12-01 | 1956-07-31 | D M | |
| Acker Rch | 410025 | TX | Mcmullen County | 28.2°,-98.5° | COOP | 1978-09-01 | 2005-06-30 | D M N | |
| Ackerly 4se | 410034 | TX | Howard County | 32.5°,-101.7° | COOP | 1940-08-01 | 2002-01-31 | D M N | |
| Ackerman | 220039 | Ackerman | MS | Choctaw County | 33.3°,-89.2° | COOP | 1940-02-01 | 2009-10-23 | D M N |
| Acme | 160028 | Acme | LA | County | 31.3°,-91.8° | COOP | 1940-05-28 | 1959-02-28 | D M |
| Acme Mesonet | 340010 | OK | Grady County | 34.8°,-98° | COOP | 2000-01-07 | 2009-11-14 | D M | |
| Acmetonia Lock 3 | 360022 | PA | Allegheny County | 40.5°,-79.8° | COOP | 1905-03-01 | 2009-11-23 | D M N | |
| Acoma | 260015 | Acoma | NV | County | 37.5°,-114.2° | COOP | 1933-11-22 | 1966-01-12 | D M |
| Acomita Caa Ap | 290074 | Acomita | NM | County | 35.1°,-107.7° | COOP | 1941-01-01 | 1953-04-28 | D M |
| Acona 3 Sw | 220048 | MS | County | 33.3°,-90.1° | COOP | 1940-03-07 | 1953-08-31 | D M | |
| Acton | 220050 | MS | County | 35°,-88.4° | COOP | 1948-07-01 | 1963-05-01 | D M | |
| Acton Escondido Fc261 | 040014 | Acton | CA | Los Angeles County | 34.5°,-118.3° | COOP | 1918-10-01 | 2009-06-30 | D M N |
| Acton Rch | 410040 | TX | Crockett County | 30.4°,-101.3° | COOP | 1992-03-01 | 2009-11-23 | D M | |
| Acworth 5.5 NE | GA-CE-1 | Acworth | GA | Cherokee County | 34.1°,-84.6° | CoCoRaHS | 2008-05-01 | 2009-11-20 | D M |
| Acworth 5.5 SSW | GA-CB-9 | Acworth | GA | Cobb County | 34°,-84.7° | CoCoRaHS | 2008-09-10 | 2008-09-10 | D M |
| Ada | 210018 | Ada | MN | Norman County | 47.3°,-96.5° | COOP | 1892-11-22 | 2009-06-30 | D M N |
| Ada | 340017 | Ada | OK | Pontotoc County | 34.8°,-96.7° | COOP | 1907-01-01 | 2009-06-30 | D M N |
| Ada 2nne Mesonet | 340027 | OK | Pontotoc County | 34.8°,-95.3° | COOP | 2000-07-07 | 2009-11-14 | D M | |
| Adair 1 E | 340026 | OK | County | 36.4°,-95.3° | COOP | 1948-03-01 | 1951-09-30 | D M | |
| Adair 3sw | 340028 | Adair | OK | Mayes County | 36.4°,-95.3° | COOP | 2005-01-01 | 2009-06-30 | D M |
| Adairsville | 090041 | Adairsville | GA | Bartow County | 34.4°,-84.9° | COOP | 1892-02-01 | 1986-08-31 | D M |
| Adairsville 5 ESE | 090044 | Adairsville | GA | Bartow County | 34.3°,-84.8° | COOP | 1986-10-01 | 2009-11-23 | D M N |
| Adairsville 6.4 WSW | GA-BT-1 | Adairsville | GA | Bartow County | 34.3°,-85° | CoCoRaHS | 2008-03-29 | 2009-10-24 | D M |
| Adairville | 150020 | Adairville | KY | Logan County | 36.7°,-86.9° | COOP | 2003-04-25 | 2004-09-02 | D M |
| Adak | 500026 | AK | Aleutians West County | 51.9°,-176.7° | COOP | 1942-10-01 | 1996-03-31 | D M N | |
| Adams | 190049 | Adams | MA | Berkshire County | 42.7°,-73.1° | COOP | 1893-01-01 | 1978-09-30 | D M |
| Adams | 300018 | Adams | NY | Jefferson County | 43.8°,-76° | COOP | 1965-10-01 | 1972-09-30 | D M |
| Adams 0.5 NNE | TN-RB-8 | Adams | TN | Robertson County | 36.6°,-87.1° | CoCoRaHS | 2007-05-17 | 2007-05-17 | D M |
| Adams 2.9 WSW | TN-RB-18 | Adams | TN | Robertson County | 36.6°,-87.1° | CoCoRaHS | 2007-07-15 | 2009-11-22 | D M |
| Adams 7 Ssw | 320022 | Adams | ND | Walsh County | 48.3°,-98.1° | COOP | 1948-08-02 | 2009-10-02 | D M N |
| Adams 8.3 SW | TN-MT-62 | Adams | TN | Montgomery County | 36.5°,-87.2° | CoCoRaHS | 2008-04-01 | 2008-05-27 | D M |
| Adams Beach | 080025 | FL | Taylor County | 29.9°,-83.6° | COOP | 1956-08-01 | 1957-11-30 | D M | |
| Adams Ctr | 300015 | Adams | NY | County | 43.9°,-76.1° | COOP | 1900-04-01 | 1950-11-30 | D M |
| Adams Diggings | 290079 | NM | County | 34.5°,-108.3° | COOP | 1948-05-22 | 1949-09-02 | D M | |
| Adamsville | 410050 | Adamsville | TX | Lampasas County | 31.3°,-98.2° | COOP | 1963-09-01 | 1987-12-31 | D M |
| Adamsville 2 Nw | 370218 | RI | Newport County | 41.6°,-71.2° | COOP | 1991-07-01 | 1994-03-31 | D M | |
| Adamsville 2.7 SSE | TN-HN-5 | Adamsville | TN | Hardin County | 35.2°,-88.4° | CoCoRaHS | 2008-06-16 | 2009-11-22 | D M |
| Adamsville 6.6 NW | TN-MN-4 | Adamsville | TN | McNairy County | 35.3°,-88.5° | CoCoRaHS | 2007-12-15 | 2008-03-04 | D M |
| Adaven | 260046 | NV | Nye County | 38.1°,-115.6° | COOP | 1914-04-01 | 1982-02-28 | D M | |
| Addison | 010063 | Addison | AL | Winston County | 34.2°,-87.2° | COOP | 1938-03-01 | 2009-11-23 | D M N |
| Addison | 300023 | NY | Steuben County | 42.1°,-77.2° | COOP | 1893-02-01 | 2009-11-23 | D M N | |
| Addison 1 Nne | 300028 | Addison | NY | Steuben County | 42.1°,-77.2° | COOP | 1986-01-01 | 1988-09-30 | D M |
| Addison 3.8 N | AL-WN-2 | Addison | AL | Winston County | 34.3°,-87.2° | CoCoRaHS | 2009-07-16 | 2009-11-23 | D M |
| Addison Cntrl Twr | 010071 | Addison | AL | Lawrence County | 34.4°,-87.3° | COOP | 1949-01-01 | 1962-03-31 | D M |
| Addison Dam 45 | 150031 | KY | Breckinridge County | 37.9°,-86.6° | COOP | 1927-11-01 | 1971-07-31 | D M | |
| Adel | 090051 | Adel | GA | Cook County | 31.1°,-83.4° | COOP | 2001-07-01 | 2002-06-17 | D M |
| Adel | 240056 | Adel | MT | County | 47°,-111.6° | COOP | 1898-02-21 | 1969-04-09 | D M |
| Adel | 350036 | Adel | OR | Lake County | 42.2°,-119.9° | COOP | 1956-03-07 | 2009-11-20 | D M N |
| Adel 1 Se | 130070 | Adel | IA | Dallas County | 41.6°,-94° | COOP | 1958-08-01 | 1967-09-30 | D M |
| Adel 2 S | 090053 | Adel | GA | Cook County | 31.1°,-83.4° | COOP | 1941-09-01 | 1975-04-30 | D M |
| Adelanto | 040024 | Adelanto | CA | San Bernardino County | 34.6°,-117.4° | COOP | 1959-06-01 | 1977-06-30 | D M |
| Adelphi 0.6 SSE | MD-PG-11 | Adelphi | MD | Prince George's County | 39°,-77° | CoCoRaHS | 2006-05-01 | 2006-08-31 | D M |
| Adin Rs | 040029 | Adin | CA | Modoc County | 41.2°,-120.9° | COOP | 1894-03-01 | 2009-11-20 | D M N |
| Adjuntas 1 S | 660053 | Adjuntas | PR | Ponce County | 18.2°,-66.7° | COOP | 1955-01-01 | 2009-10-31 | D M N |
| Adjuntas Substn | 660061 | Adjuntas | PR | Ponce County | 18.2°,-66.8° | COOP | 1970-01-01 | 2009-10-28 | D M N |
| Adobe Rch | 290119 | NM | Catron County | 33.6°,-107.9° | COOP | 1941-12-01 | 1994-02-28 | D M | |
| Adobe Wells Scout Camp | 410070 | TX | Wheeler County | 35.5°,-100.4° | COOP | 1974-04-01 | 1978-03-31 | D M | |
| Adolphus 1 E | 150043 | Adolphus | KY | Allen County | 36.6°,-86.3° | COOP | 1941-01-01 | 1985-05-31 | D M |
| Adrian | 350041 | Adrian | OR | Malheur County | 43.7°,-117.1° | COOP | 1909-07-01 | 1972-10-19 | D M |
| Adrian | 410068 | Adrian | TX | County | 35.3°,-102.7° | COOP | 1938-05-01 | 1948-08-31 | D M |
| Adrian 2 Nne | 200032 | Adrian | MI | Lenawee County | 41.9°,-84° | COOP | 1887-07-01 | 2009-11-22 | D M N |
| Adrian 6n | 410071 | Adrian | TX | Oldham County | 35.3°,-102.6° | COOP | 2007-05-01 | 2009-07-31 | D M |
| Adult Conservation Cam | 500040 | Palmer | AK | Matanuska-susitna County | 61.7°,-149° | COOP | 1966-05-01 | 1978-10-31 | D M |
| Advance 0.2 ESE | NC-DV-2 | Advance | NC | Davie County | 35.9°,-80.4° | CoCoRaHS | 2008-04-28 | 2009-11-23 | D M |
| Advance 1 S | 230022 | Advance | MO | Stoddard County | 37.1°,-89.9° | COOP | 1948-01-01 | 2007-04-01 | D M N |
| Aetna 2 S | 140069 | Aetna | KS | Barber County | 37.1°,-99° | COOP | 1938-03-01 | 1985-01-31 | D M N |
| Afono | 914005 | AS | Eastern (district) County | -14.3°,-170.7° | COOP | 1980-01-01 | 1998-09-30 | D M | |
| Afton | 130064 | Afton | IA | County | 41°,-94.2° | COOP | 1894-06-01 | 1950-02-10 | D M |
| Afton | 470045 | WI | Rock County | 42.6°,-89.1° | COOP | 1987-08-01 | 2009-11-23 | D M N | |
| Afton | 480027 | Afton | WY | Lincoln County | 42.7°,-110.9° | COOP | 1957-05-01 | 2009-07-31 | D M N |
| Afton 6 Ne | 290125 | NM | Dona Ana County | 32.1°,-106.9° | COOP | 1942-07-01 | 1999-05-31 | D M N | |
| Afton Boxwood Gardens | 440055 | Waynesboro | VA | Nelson County | 38°,-78.8° | COOP | 1931-01-01 | 1957-09-30 | D M |
| Afton Canyon | 040032 | Afton | CA | San Bernardino County | 35°,-116.4° | COOP | 1959-06-01 | 1959-07-07 | D M |
| Agassiz Refuge | 210050 | MN | Marshall County | 48.3°,-96° | COOP | 1957-04-01 | 2009-03-31 | D M N | |
| Agat | 914001 | GU | Guam County | 13.4°,144.7° | COOP | 1978-07-01 | 2009-07-31 | D M N | |
| Agate 3 E | 250030 | NE | Sioux County | 42.4°,-103.7° | COOP | 1900-04-01 | 2009-11-23 | D M N | |
| Agate 3 Sw | 050092 | Agate | CO | Elbert County | 39.5°,-103.9° | COOP | 1893-02-01 | 1953-01-31 | D M |
| Agate 5n | 250035 | Agate | NE | Sioux County | 42.5°,-103.8° | COOP | 1893-01-01 | 2007-06-30 | D M |
| Agate Beach 1 W Uscg | 350050 | OR | Lincoln County | 44.7°,-124.1° | COOP | 1950-02-01 | 1951-09-30 | D M | |
| Agenda | 140073 | Agenda | KS | Republic County | 39.7°,-97.4° | COOP | 1974-11-01 | 2009-11-20 | D M |
| Ages | 150051 | Evarts | KY | Harlan County | 36.9°,-83.3° | COOP | 1920-03-01 | 1921-06-30 | D M |
| Agnew | 250040 | Agnew | NE | County | 41°,-96.8° | COOP | 1942-08-01 | 1957-06-30 | D M |
| Agua Dulce | 410073 | Agua Dulce | TX | Nueces County | 27.8°,-97.9° | COOP | 1987-03-01 | 1987-09-30 | D M |
| Agua Fria | 410077 | TX | Brewster County | 29.5°,-102.4° | COOP | 2009-04-01 | 2009-11-19 | D M | |
| Agua Nueva | 410081 | Agua Nueva | TX | Jim Hogg County | 26.9°,-98.6° | COOP | 1940-04-01 | 1964-12-31 | D M |
| Aguanga Bergman Rch | 040046 | Aguanga | CA | Riverside County | 33.4°,-116.9° | COOP | 1928-05-01 | 1948-11-23 | D M |
| Aguila | 020060 | Aguila | AZ | Maricopa County | 33.9°,-113.2° | COOP | 1924-05-30 | 2009-11-23 | D M N |
| Aguilar | 050102 | Aguilar | CO | Las Animas County | 37.4°,-104.7° | COOP | 1980-01-01 | 2006-02-06 | D M N |
| Aguilar 18wsw | 050105 | Aguilar | CO | Las Animas County | 37.3°,-105° | COOP | 1998-04-01 | 2009-11-23 | D M |
| Aguirre | 660147 | PR | County | 18°,-66.2° | COOP | 1931-01-01 | 1966-10-31 | D M | |
| Aguirre | 660152 | PR | Guayama County | 18°,-66.2° | COOP | 1955-04-01 | 2009-09-30 | D M N | |
| Ahua Umi 75 | 510040 | HI | Hawaii County | 19.6°,-155.8° | COOP | 1958-01-01 | 1986-11-30 | D M | |
| Aibonito 1 S | 660158 | Aibonito | PR | Aibonito County | 18.1°,-66.3° | COOP | 1906-01-01 | 2009-11-23 | D M N |
| Aiea Fld 625 761 | 510111 | Aiea | HI | Honolulu County | 21.4°,-158° | COOP | 1948-02-01 | 1970-07-31 | D M |
| Aiea Fld 68 756 | 510100 | Aiea | HI | Honolulu County | 21.4°,-158° | COOP | 1948-02-01 | 1963-04-30 | D M |
| Aiea Fld 764a | 510115 | Aiea | HI | Honolulu County | 21.4°,-157.9° | COOP | 1905-03-01 | 1963-10-31 | D M |
| Aiea Fld 86 766 | 510119 | Aiea | HI | Honolulu County | 21.4°,-157.9° | COOP | 1939-12-01 | 1960-12-31 | D M |
| Aiea Heights 764.6 | 510123 | Aiea | HI | Honolulu County | 21.4°,-157.9° | COOP | 1982-09-01 | 2009-11-23 | D M N |
| Aiken 0.9 SSE | SC-AK-1 | Aiken | SC | Aiken County | 33.5°,-81.7° | CoCoRaHS | 2008-02-28 | 2009-11-11 | D M |
| Aiken 1.0 SSW | SC-AK-23 | Aiken | SC | Aiken County | 33.5°,-81.7° | CoCoRaHS | 2009-08-25 | 2009-11-23 | D M |
| Aiken 1.1 S | SC-AK-20 | Aiken | SC | Aiken County | 33.5°,-81.7° | CoCoRaHS | 2009-06-01 | 2009-11-22 | D M |
| Aiken 2 E | 380072 | SC | Aiken County | 33.6°,-80.3° | COOP | 2009-01-24 | 2009-11-23 | D M | |
| Aiken 2.7 NW | SC-AK-15 | Aiken | SC | Aiken County | 33.6°,-81.8° | CoCoRaHS | 2008-11-30 | 2009-11-20 | D M |
| Aiken 5.0 SSW | SC-AK-12 | Aiken | SC | Aiken County | 33.5°,-81.8° | CoCoRaHS | 2008-08-19 | 2009-01-19 | D M |
| Aiken 5se | 380074 | Aiken | SC | Aiken County | 33.5°,-81.7° | COOP | 1893-01-01 | 2009-03-07 | D M N |
| Aiken 7.2 NNE | SC-AK-18 | Aiken | SC | Aiken County | 33.6°,-81.7° | CoCoRaHS | 2009-03-03 | 2009-11-22 | D M |
| Aiken 7.8 SSE | SC-AK-14 | Aiken | SC | Aiken County | 33.4°,-81.7° | CoCoRaHS | 2008-10-23 | 2009-11-23 | D M |
| Aiken 8.1 SSE | SC-AK-16 | Aiken | SC | Aiken County | 33.4°,-81.7° | CoCoRaHS | 2009-02-27 | 2009-11-23 | D M |
| Aiken Municipal Airport | KAIK | Aiken | SC | Aiken County | 33.6°,-81.7° | AWOS | 2008-12-17 | 2009-11-23 | H D M |
| Ailey | 090090 | Ailey | GA | Montgomery County | 32.2°,-82.6° | COOP | 1947-06-17 | 1994-01-31 | D M N |
| Ailinglapalap | 913915 | MH | Majuro County | 7.3°,168.8° | COOP | 1985-12-01 | 2006-01-31 | D M N | |
| Aimelik Babelthuap | 914015 | PW | Aimeliik County | 7.5°,134.5° | COOP | 1953-08-01 | 1955-08-31 | D M | |
| Aimwell Fire Twr | 160045 | LA | Catahoula County | 31.8°,-92° | COOP | 1982-10-01 | 1985-05-31 | D M | |
| Ainsworth | 250050 | Ainsworth | NE | Brown County | 42.6°,-99.9° | COOP | 1905-11-01 | 2009-11-23 | D M N |
| Aitkin 2e | 210059 | Aitkin | MN | Aitkin County | 46.5°,-93.7° | COOP | 1940-06-01 | 2009-11-16 | D M N |
| Ajo | 020080 | Ajo | AZ | Pima County | 32.4°,-112.9° | COOP | 1914-05-01 | 2009-11-20 | D M N |
| Ajo Well | 020088 | Ajo | AZ | Pima County | 32.5°,-112.8° | COOP | 1940-02-01 | 1975-04-30 | D M |
| Akron | 130088 | Akron | IA | Plymouth County | 42.8°,-96.6° | COOP | 1900-09-01 | 2009-10-21 | D M N |
| Akron | 330061 | Akron | OH | Summit County | 41.1°,-81.5° | COOP | 1970-10-01 | 2000-09-30 | D M N |
| Akron 1 N | 050114 | Akron | CO | Washington County | 40.2°,-103.2° | COOP | 1937-03-01 | 2009-11-02 | D M N |
| Akron 4 E | 050109 | Akron | CO | Washington County | 40.2°,-103.1° | COOP | 1893-06-01 | 2009-11-23 | D M N |
| Akron 7 Nw | 200084 | MI | Tuscola County | 43.6°,-83.6° | COOP | 1997-07-01 | 2004-01-14 | D M | |
| Akron Canton Wso Ap | 330058 | Akron | OH | Summit County | 40.9°,-81.4° | COOP | 1948-07-01 | 2009-11-22 | D M N |
| Akron Muni Ap | 330063 | Akron | OH | County | 41°,-81.5° | COOP | 1896-05-01 | 2009-11-06 | D M |
| Akutan | 500144 | Akutan | AK | County | 54.1°,-165.8° | COOP | 1986-01-01 | 1990-02-22 | D M |
| Alabama State Farm | 010117 | AL | Limestone County | 34.7°,-86.9° | COOP | 1949-01-01 | 2009-10-29 | D M | |
| Alabaster 1.3 NNE | AL-SH-40 | Alabaster | AL | Shelby County | 33.2°,-86.8° | CoCoRaHS | D M | ||
| Alabaster 1.6 N | AL-SH-30 | Alabaster | AL | Shelby County | 33.3°,-86.8° | CoCoRaHS | 2007-12-10 | 2009-06-25 | D M |
| Alabaster 1.6 SSE | AL-SH-19 | Alabaster | AL | Shelby County | 33.2°,-86.8° | CoCoRaHS | 2007-10-26 | 2009-01-28 | D M |
| Alabaster 1.8 NW | AL-SH-34 | Alabaster | AL | Shelby County | 33.2°,-86.8° | CoCoRaHS | 2008-01-01 | 2009-09-18 | D M |
| Alabaster 1.8 WNW | AL-SH-32 | Alabaster | AL | Shelby County | 33.2°,-86.9° | CoCoRaHS | 2008-01-14 | 2008-06-02 | D M |
| Alabaster 2.0 WSW | AL-SH-13 | Alabaster | AL | Shelby County | 33.2°,-86.9° | CoCoRaHS | 2007-11-01 | 2009-11-22 | D M |
| Alabaster 2.4 NE | AL-SH-22 | Alabaster | AL | Shelby County | 33.2°,-86.8° | CoCoRaHS | 2007-10-31 | 2009-11-22 | D M |
| Alabaster 2.8 N | AL-SH-12 | Alabaster | AL | Shelby County | 33.3°,-86.8° | CoCoRaHS | 2007-10-01 | 2009-11-09 | D M |
| ALABASTER SHELBY CO AP | 010116 | Alabaster | AL | SHELBY | 33.2°,-85.2° | COOP | 1995-04-01 | 2009-11-22 | D M |
| Aladdin | 480050 | Aladdin | WY | County | 44.6°,-104.2° | COOP | 1951-04-02 | 1952-01-13 | D M |
| Aladdin 6 S | 480056 | Aladdin | WY | County | 44.6°,-104.2° | COOP | 1952-04-12 | 1952-05-22 | D M |
| Alakahi Lower 194 | 510134 | HI | Hawaii County | 20.1°,-155.7° | COOP | 1919-01-01 | 1963-04-30 | D M | |
| Alamo | 020096 | AZ | Yuma County | 34.3°,-113.6° | COOP | 1948-07-01 | 1951-03-31 | D M | |
| Alamo | 260099 | Alamo | NV | County | 37.4°,-115.2° | COOP | 1921-09-27 | 1962-09-30 | D M |
| Alamo 1 N | 040064 | Alamo | CA | Contra Costa County | 37.9°,-122° | COOP | 1956-01-01 | 1975-07-31 | D M |
| Alamo 1 N | 400049 | Alamo | TN | Crockett County | 35.8°,-89.1° | COOP | 2001-09-27 | 2009-11-23 | D M |
| Alamo 3.5 WNW | TN-CK-1 | Alamo | TN | Crockett County | 35.8°,-89.2° | CoCoRaHS | 2007-07-01 | 2008-06-20 | D M |
| Alamo 8 Sw | 020097 | AZ | Yuma County | 34.2°,-113.7° | COOP | 1957-02-15 | 1960-07-31 | D M | |
| Alamo Dam | 020100 | AZ | La Paz County | 34.2°,-113.6° | COOP | 1975-07-01 | 2009-11-09 | D M N | |
| Alamo Dam 6 Ese | 020099 | AZ | Yuma County | 34.3°,-113.5° | COOP | 1962-02-01 | 1974-09-30 | D M | |
| Alamo Mntc Stn | 260109 | Alamo | NV | County | 37.4°,-115.2° | COOP | 1948-07-01 | 1949-07-25 | D M |
| Alamogordo | 290199 | Alamogordo | NM | Otero County | 32.9°,-105.9° | COOP | 1909-07-01 | 2009-01-31 | D M N |
| Alamogordo Dam | 290205 | NM | Debaca County | 34.6°,-104.4° | COOP | 1939-01-01 | 2009-11-01 | D M | |
| Alamosa | 050125 | Alamosa | CO | Alamosa County | 37.5°,-105.9° | COOP | 1906-05-01 | 1949-12-31 | D M |
| Alamosa 2s | 050128 | Alamosa | CO | Alamosa County | 37.4°,-105.9° | COOP | 2005-08-26 | 2009-11-23 | D M |
| Alamosa Bergman Fld | 050130 | Alamosa | CO | Alamosa County | 37.4°,-105.9° | COOP | 1948-01-01 | 2009-11-22 | D M N |
| Alapaha Exp Stn | 090131 | Alapaha | GA | Berrien County | 31.4°,-83.2° | COOP | 1891-11-02 | 1974-12-31 | D M |
| Alaska Pacific Univ | 500172 | AK | Anchorage County | 61.2°,-149.8° | COOP | 1993-07-01 | 2004-10-31 | D M | |
| Albany | 150063 | Albany | KY | Clinton County | 36.7°,-85.1° | COOP | 1951-11-01 | 2009-11-18 | D M N |
| Albany | 230051 | Albany | MO | Gentry County | 40.2°,-94.3° | COOP | 1905-01-01 | 2009-11-23 | D M |
| Albany | 300047 | Albany | NY | Albany County | 42.6°,-73.7° | COOP | 1903-02-01 | 1970-12-31 | D M |
| Albany | 410120 | Albany | TX | Shackelford County | 32.7°,-99.3° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Albany | 430134 | VT | Orleans County | 44.7°,-72.4° | COOP | 1993-10-01 | 1999-04-30 | D M | |
| Albany 1 N | 090150 | Albany | GA | Dougherty County | 31.6°,-84.1° | COOP | 1916-02-18 | 1916-02-18 | D M |
| Albany 1 N | 350078 | Albany | OR | Benton County | 44.7°,-123.1° | COOP | 1893-01-01 | 1963-01-31 | D M |
| Albany 1.4 WNW | KY-CN-1 | Albany | KY | Clinton County | 36.7°,-85.2° | CoCoRaHS | 2008-04-24 | 2009-02-25 | D M |
| Albany 2 | 350082 | Albany | OR | Linn County | 44.6°,-123.1° | COOP | 1963-02-01 | 1975-02-28 | D M |
| Albany 3 SE | 090140 | Albany | GA | Dougherty County | 31.5°,-84.1° | COOP | 1891-11-05 | 2009-11-20 | D M N |
| Albany 3.7 NE | GA-DH-1 | Albany | GA | Dougherty County | 31.6°,-84.1° | CoCoRaHS | 2008-05-24 | 2009-11-22 | D M |
| Albany 4.4 WNW | GA-DH-2 | Albany | GA | Dougherty County | 31.6°,-84.2° | CoCoRaHS | 2008-06-03 | 2009-11-23 | D M |
| Albany 5.3 W | KY-CN-2 | Albany | KY | Clinton County | 36.7°,-85.2° | CoCoRaHS | 2008-08-08 | 2009-11-23 | D M |
| Albany 8.0 SSE | GA-DH-4 | Albany | GA | Dougherty County | 31.5°,-84.1° | CoCoRaHS | 2008-05-24 | 2009-11-10 | D M |
| Albany Caa Airport | 090145 | Albany | GA | Dougherty County | 31.5°,-84.2° | COOP | 1948-01-01 | 2009-11-02 | D M |
| Albany Intl Ap | 300042 | Albany | NY | Albany County | 42.7°,-73.8° | COOP | 1938-06-01 | 2009-11-22 | D M N |
| Albany Nwfo Univ | 300048 | Albany | NY | Albany County | 42.7°,-73.8° | COOP | 1998-12-01 | 2009-09-27 | D M |
| Albany Sw Ga Rgnl Ap | KABY | Albany | GA | Dougherty | 31.5°,-84.2° | ASOS | 2001-01-01 | 2009-11-23 | H D M |
| Albemarle | 310090 | Albemarle | NC | Stanly County | 35.4°,-80.2° | COOP | 1911-06-20 | 2009-09-30 | D M N |
| Albers 1 W | 110050 | IL | Clinton County | 38.5°,-89.6° | COOP | 1977-09-01 | 2009-11-23 | D M | |
| Albert 5 Se | 140119 | Albert | KS | Barton County | 38.4°,-99° | COOP | 2000-01-03 | 2009-11-16 | D M |
| Albert Ellis Airport | KOAJ | Jacksonville | NC | Onslow County | 34.8°,-77.6° | AWOS | 2000-12-13 | 2009-11-23 | H D M |
| Albert Lea 3 E | 210080 | MN | Freeborn County | 43.7°,-93.3° | COOP | 1948-08-01 | 1951-09-29 | D M | |
| Albert Lea 3 Se | 210075 | MN | Freeborn County | 43.6°,-93.3° | COOP | 1885-03-01 | 2009-11-23 | D M N | |
| Alberta | 010140 | Alberta | AL | Wilcox County | 32.2°,-87.4° | COOP | 1940-10-16 | 2009-11-23 | D M N |
| Alberta 5n | 440079 | Alberta | VA | Brunswick County | 36.9°,-77.9° | COOP | 2000-01-01 | 2009-11-23 | D M |
| Alberta Ford For Ctr | 200089 | MI | Baraga County | 46.6°,-88.5° | COOP | 1956-10-01 | 2009-11-19 | D M N | |
| Alberton | 240075 | MT | Mineral County | 47°,-114.5° | COOP | 1958-04-01 | 2009-11-23 | D M | |
| Albertville 0.2 ENE | AL-MS-1 | Albertville | AL | Marshall County | 34.3°,-86.2° | CoCoRaHS | 2007-10-27 | 2009-11-22 | D M |
| Albertville 0.7 ENE | AL-MS-8 | Albertville | AL | Marshall County | 34.3°,-86.2° | CoCoRaHS | 2007-11-07 | 2007-11-07 | D M |
| Albertville 1.8 WNW | AL-MS-27 | Albertville | AL | Marshall County | 34.3°,-86.2° | CoCoRaHS | 2009-09-26 | 2009-11-21 | D M |
| Albertville 2 Se | 010148 | Albertville | AL | Marshall County | 34.2°,-86.2° | COOP | 1908-01-01 | 1977-03-31 | D M |
| Albertville 2.8 SE | AL-MS-21 | Albertville | AL | Marshall County | 34.2°,-86.2° | CoCoRaHS | 2008-04-19 | 2009-11-22 | D M |
| Albertville 3.2 E | AL-MS-3 | Albertville | AL | Marshall County | 34.3°,-86.2° | CoCoRaHS | 2007-11-01 | 2007-11-02 | D M |
| Albertville 3.7 W | AL-MS-7 | Albertville | AL | Marshall County | 34.3°,-86.3° | CoCoRaHS | 2007-10-22 | 2008-07-06 | D M |
| Albertville 4.8 WNW | AL-MS-13 | Albertville | AL | Marshall County | 34.3°,-86.3° | CoCoRaHS | 2007-10-20 | 2009-11-23 | D M |
| Albertville 5.0 ENE | AL-MS-4 | Albertville | AL | Marshall County | 34.3°,-86.1° | CoCoRaHS | 2007-10-31 | 2009-11-23 | D M |
| Albertville 5.5 N | AL-MS-22 | Albertville | AL | Marshall County | 34.3°,-86.2° | CoCoRaHS | 2008-05-15 | 2009-11-23 | D M |
| Albertville Muni Ap | K8A0 | Albertville | AL | Marshall | 34.2°,-86.3° | AWOS | 2008-03-20 | 2009-11-23 | H D M |
| Albia 3 Nne | 130112 | IA | Monroe County | 41.1°,-92.8° | COOP | 1894-03-01 | 2009-11-22 | D M N | |
| Albia Pasture Imp Farm | 130116 | Albia | IA | Monroe County | 41°,-92.9° | COOP | 1956-01-01 | 1972-01-31 | D M |
| Albin | 480080 | Albin | WY | Laramie County | 41.4°,-104.1° | COOP | 1948-08-01 | 2009-06-30 | D M N |
| Albion | 100149 | Albion | ID | Cassia County | 42.4°,-113.6° | COOP | 1899-11-01 | 1953-07-31 | D M |
| Albion | 110055 | Albion | IL | Edwards County | 38.4°,-88.1° | COOP | 1893-12-01 | 2006-04-30 | D M N |
| Albion | 170177 | Albion | ME | Kennebec County | 44.5°,-69.5° | COOP | 1990-08-01 | 2009-11-23 | D M N |
| Albion | 200094 | Albion | MI | Calhoun County | 42.2°,-84.8° | COOP | 1888-02-01 | 2009-11-14 | D M N |
| Albion | 250070 | Albion | NE | Boone County | 41.7°,-98° | COOP | 1893-01-01 | 2008-09-12 | D M N |
| Albion | 360062 | PA | County | 41.9°,-80.4° | COOP | 1944-04-15 | 1955-03-17 | D M | |
| Albion 1 N | 240088 | MT | Carter County | 45.2°,-104.3° | COOP | 1945-06-27 | 2009-06-30 | D M N | |
| Albion 2 Ne | 300055 | Albion | NY | Orleans County | 43.3°,-78.2° | COOP | 1938-10-01 | 2009-06-30 | D M N |
| Albion 5 E | 120076 | IN | Noble County | 41.4°,-85.3° | COOP | 1916-11-05 | 1972-04-30 | D M | |
| Albion 7w | 250075 | Albion | NE | Boone County | 41.7°,-98.1° | COOP | 1948-09-01 | 1951-09-30 | D M |
| Albion 9 Ne | 250077 | Albion | NE | Boone County | 41.8°,-97.9° | COOP | 1950-11-01 | 1951-09-30 | D M |
| Alborn | 210096 | Alborn | MN | County | 47°,-92.6° | COOP | 1927-05-01 | 1952-11-20 | D M |
| Albright | 460094 | Albright | WV | Preston County | 39.5°,-79.6° | COOP | 1953-05-01 | 2009-11-22 | D M N |
| Albuguerque #2 | 290222 | NM | County | 35.1°,-106.6° | COOP | 1935-05-01 | 1957-04-24 | D M | |
| Albuquerque Foothills | 290225 | Albuquerque | NM | Bernalillo County | 35.1°,-106.5° | COOP | 1991-10-01 | 2009-11-17 | D M |
| Albuquerque Intl Ap | 290234 | Albuquerque | NM | Bernalillo County | 35°,-106.6° | COOP | 1897-01-01 | 2009-11-22 | D M N |
| Albuquerque Valley | 290231 | Albuquerque | NM | Bernalillo County | 35°,-106.7° | COOP | 1991-10-01 | 2009-11-22 | D M |
| Alcalde | 290245 | Alcalde | NM | Rio Arriba County | 36.1°,-106.1° | COOP | 1953-04-01 | 2009-11-22 | D M |
| Alcester | 390113 | Alcester | SD | Union County | 43°,-96.6° | COOP | 1948-08-01 | 1951-09-30 | D M |
| Alcester 4 Ese | 390112 | Alcester | SD | County | 43°,-96.6° | COOP | 1956-08-01 | 1959-06-30 | D M |
| Alcester 4 Se | 390114 | Alcester | SD | County | 43°,-96.6° | COOP | 1956-09-01 | 1958-09-30 | D M |
| Alcester 6 Se | 390115 | Alcester | SD | County | 43°,-96.6° | COOP | 1956-08-01 | 1956-09-30 | D M |
| Alcester 7 Ese | 390109 | Alcester | SD | County | 43°,-96.5° | COOP | 1956-08-01 | 1959-06-30 | D M |
| Alcester 8 Se | 390108 | Alcester | SD | County | 43°,-96.5° | COOP | 1956-08-01 | 1957-09-30 | D M |
| Alcester 9 Se | 390107 | Alcester | SD | County | 43°,-96.5° | COOP | 1956-08-02 | 1959-06-30 | D M |
| Alcoa | 400056 | Alcoa | TN | Blount County | 35.8°,-84° | COOP | 1949-01-01 | 1951-01-31 | D M |
| Alcorn A & M College | 220116 | Alcorn | MS | Claiborne County | 31.9°,-91.2° | COOP | 1952-10-02 | 1972-03-31 | D M |
| Alcova 17 Nw | 480091 | Alcova | WY | Natrona County | 42.7°,-107° | COOP | 1961-12-23 | 1987-01-31 | D M |
| Alcova 26 Wnw | 480092 | Alcova | WY | County | 42.6°,-107.2° | COOP | 1956-03-28 | 1960-12-31 | D M |
| Alcova 29 Wnw | 480094 | Alcova | WY | County | 42.7°,-107.3° | COOP | 1961-01-11 | 1961-11-30 | D M |
| Alcove Dam | 300063 | NY | Albany County | 42.5°,-73.9° | COOP | 1942-05-01 | 2009-11-22 | D M N | |
| Alden | 140127 | Alden | KS | County | 38.3°,-98.3° | COOP | 1948-08-01 | 1952-10-31 | D M |
| Alder | 240100 | Alder | MT | Madison County | 45.3°,-112.1° | COOP | 1950-06-01 | 1980-05-31 | D M |
| Alder 17 S | 240110 | Alder | MT | Madison County | 45.1°,-112.1° | COOP | 1956-10-01 | 2008-01-21 | D M N |
| Alder 19s | 240111 | MT | Madison County | 45.1°,-111.9° | COOP | 2008-08-24 | 2009-11-15 | D M | |
| Alder Dam Camp | 450094 | Alder | WA | County | 46.8°,-122.3° | COOP | 1917-02-06 | 1954-02-20 | D M |
| Alder Ruby Dam | 240115 | Alder | MT | Madison County | 45.3°,-112.1° | COOP | 1981-02-01 | 1993-04-30 | D M |
| Alderpoint | 040088 | Alderpoint | CA | Humboldt County | 40.2°,-123.6° | COOP | 1940-12-01 | 1980-05-31 | D M |
| Alderson | 460102 | Alderson | WV | Monroe County | 37.7°,-80.7° | COOP | 1944-03-01 | 2009-11-23 | D M N |
| Aledo | 110072 | Aledo | IL | Mercer County | 41.2°,-90.7° | COOP | 1900-12-01 | 2009-11-23 | D M N |
| Aledo 4 Se | 410129 | Aledo | TX | Parker County | 32.6°,-97.6° | COOP | 1960-09-01 | 2002-02-28 | D M N |
| Aleknagik | 500201 | Aleknagik | AK | Dillingham County | 59.3°,-158.6° | COOP | 1958-09-02 | 1973-02-28 | D M |
| Aleman Rch | 290268 | NM | Sierra County | 32.9°,-106.9° | COOP | 1943-01-01 | 2000-09-30 | D M N | |
| Alex Hamilton Fld Faa | 670198 | VI | St. Croix County | 17.7°,-64.8° | COOP | 1951-03-01 | 2009-11-22 | D M N | |
| Alexander | 140135 | Alexander | KS | Rush County | 38.5°,-99.6° | COOP | 1940-11-01 | 2009-10-29 | D M N |
| Alexander | 460107 | Alexander | WV | County | 38.8°,-80.2° | COOP | 1949-06-01 | 1954-06-30 | D M |
| Alexander 18 Sw | 320101 | ND | Mckenzie County | 47.7°,-104° | COOP | 1963-10-16 | 1985-03-31 | D M N | |
| Alexander 4 Nnw | 320096 | ND | Mckenzie County | 47.9°,-103.7° | COOP | 1916-06-01 | 2009-06-30 | D M N | |
| ALEXANDER CITY | 010160 | Alexander City | AL | TALLAPOOSA | 32.9°,-84.1° | COOP | 1969-10-01 | 2009-11-23 | D M N |
| Alexander City 0.5 W | AL-TP-15 | Alexander City | AL | Tallapoosa County | 32.9°,-85.9° | CoCoRaHS | 2009-11-09 | 2009-11-22 | D M |
| Alexander City 1.9 WSW | AL-TP-16 | Alexander City | AL | Tallapoosa County | 32.9°,-86° | CoCoRaHS | 2009-11-10 | 2009-11-22 | D M |
| Alexander City 10.0 SW | AL-CS-3 | Alexander City | AL | Coosa County | 32.8°,-86.1° | CoCoRaHS | 2007-11-05 | 2009-11-23 | D M |
| Alexander City 2.7 S | AL-TP-11 | Alexander City | AL | Tallapoosa County | 32.9°,-85.9° | CoCoRaHS | 2007-11-05 | 2009-11-23 | D M |
| Alexander City 3.0 N | AL-TP-10 | Alexander City | AL | Tallapoosa County | 33°,-85.9° | CoCoRaHS | 2007-10-29 | 2009-11-22 | D M |
| Alexander City 3.1 N | AL-TP-9 | Alexander City | AL | Tallapoosa County | 33°,-85.9° | CoCoRaHS | 2007-10-25 | 2009-11-23 | D M |
| Alexander City 3.1 NNE | AL-TP-7 | Alexander City | AL | Tallapoosa County | 33°,-85.9° | CoCoRaHS | 2007-11-05 | 2009-11-18 | D M |
| Alexander City 4.2 NW | AL-TP-1 | Alexander City | AL | Tallapoosa County | 33°,-86° | CoCoRaHS | 2007-11-05 | 2007-11-10 | D M |
| Alexander City 4.3 WSW | AL-TP-3 | Alexander City | AL | Tallapoosa County | 32.9°,-86° | CoCoRaHS | 2007-11-05 | 2007-11-10 | D M |
| Alexander City 4.4 NE | AL-TP-2 | Alexander City | AL | Tallapoosa County | 33°,-85.9° | CoCoRaHS | 2007-10-16 | 2007-11-10 | D M |
| ALEXANDER CITY 6 NE | 010163 | Alexander City | AL | TALLAPOOSA | 33°,-84.1° | COOP | 1942-11-01 | 1969-07-31 | D M |
| Alexander City 7.0 WNW | AL-CS-4 | Alexander City | AL | Coosa County | 33°,-86.1° | CoCoRaHS | 2007-11-05 | 2007-11-11 | D M |
| Alexander City 7.1 SSW | AL-TP-14 | Alexander City | AL | Tallapoosa County | 32.8°,-86° | CoCoRaHS | 2009-01-07 | 2009-11-22 | D M |
| Alexander Cy Russell Ap | KALX | Alexander City | AL | Tallapoosa | 32.9°,-86° | AWOS | 2003-05-07 | 2009-11-23 | H D M |
| Alexander Resv 983 | 510140 | HI | Kauai County | 22°,-159.5° | COOP | 1997-11-01 | 2009-07-31 | D M | |
| Alexander Springs 3 Se | 080070 | FL | Lake County | 29.1°,-81.6° | COOP | 1956-06-01 | 1979-08-31 | D M | |
| Alexandria | 120096 | Alexandria | IN | Madison County | 40.3°,-85.7° | COOP | 1993-04-01 | 2009-11-23 | D M |
| Alexandria | 160098 | LA | Rapides County | 31.3°,-92.5° | COOP | 1892-06-01 | 2009-11-23 | D M N | |
| Alexandria | 270038 | NH | County | 43.7°,-71.9° | COOP | 1938-12-01 | 1954-06-30 | D M | |
| Alexandria | 390128 | Alexandria | SD | Hanson County | 43.7°,-97.8° | COOP | 1893-01-01 | 2009-06-30 | D M N |
| Alexandria #2 | 160101 | LA | Rapides County | 31.3°,-92.5° | COOP | 1892-02-07 | 2002-10-24 | D M | |
| Alexandria 0.5 SW | TN-DK-4 | Alexandria | TN | De Kalb County | 36.1°,-86° | CoCoRaHS | 2007-07-23 | 2009-11-23 | D M |
| Alexandria 1.5 WNW | VA-ALC-1 | Alexandria | VA | Alexandria (city) County | 38.8°,-77.1° | CoCoRaHS | 2006-07-06 | 2007-06-14 | D M |
| Alexandria 1.8 S | VA-ALC-3 | Alexandria | VA | Alexandria (city) County | 38.8°,-77.1° | CoCoRaHS | 2008-09-06 | 2009-11-21 | D M |
| Alexandria 2.4 NE | VA-AR-5 | Alexandria | VA | Arlington County | 38.9°,-77.1° | CoCoRaHS | 2006-12-11 | 2009-08-24 | D M |
| Alexandria 3 | 270040 | NH | Grafton County | 43.6°,-71.8° | COOP | 1991-06-01 | 1993-11-30 | D M | |
| Alexandria 4 | 270045 | NH | Grafton County | 43.6°,-71.8° | COOP | 1996-05-01 | 2009-11-23 | D M | |
| Alexandria 4 Wsw | 330083 | Alexandria | OH | Licking County | 40.1°,-82.7° | COOP | 1893-01-01 | 1988-08-31 | D M |
| Alexandria 5 Sse | 160103 | Alexandria | LA | Rapides County | 31.2°,-92.4° | COOP | 1992-01-01 | 2009-11-23 | D M |
| Alexandria Bay 1 Sw | 300077 | Alexandria Bay | NY | Jefferson County | 44.3°,-75.9° | COOP | 1932-03-01 | 1972-12-15 | D M |
| Alexandria Chandler Fl | 210112 | Alexandria | MN | Douglas County | 45.9°,-95.4° | COOP | 1940-05-01 | 2009-11-22 | D M N |
| Alexandria City Garage | 440090 | Alexandria | VA | Clarke County | 38.8°,-77.1° | COOP | 1958-03-01 | 1975-09-30 | D M |
| Alexandria Fcwos | 160104 | Alexandria | LA | Rapides County | 31.4°,-92.3° | COOP | 1960-01-11 | 2009-11-02 | D M N |
| Alexandria Potomac Yar | 440097 | Alexandria | VA | County | 38.8°,-77.1° | COOP | 1893-04-01 | 1962-10-31 | D M |
| Alexis 1 Sw | 110082 | Alexis | IL | Warren County | 41.1°,-90.6° | COOP | 1948-07-01 | 1951-09-12 | D M |
| Alfred | 300085 | Alfred | NY | Allegany County | 42.3°,-77.8° | COOP | 1893-01-01 | 2009-06-30 | D M N |
| Algona 3 W | 130133 | Algona | IA | Kossuth County | 43.1°,-94.3° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Algonac Wwtp | 200106 | Algonac | MI | St. Clair County | 42.6°,-82.5° | COOP | 2004-03-30 | 2009-11-23 | D M |
| Alhambra | 020104 | AZ | Maricopa County | 33.5°,-112.1° | COOP | 1946-01-01 | 1976-09-30 | D M | |
| Alice | 410144 | Alice | TX | Jim Wells County | 27.7°,-98.1° | COOP | 1893-01-07 | 2008-12-31 | D M N |
| Alice Intl Ap | 410145 | Alice | TX | Jim Wells County | 27.7°,-98° | COOP | 1948-01-01 | 2009-11-22 | D M |
| Aliceville | 010178 | Aliceville | AL | Pickens County | 33.1°,-88.2° | COOP | 1934-03-31 | 2009-04-30 | D M N |
| Aliceville 9.4 WSW | AL-PC-1 | Aliceville | AL | Pickens County | 33.1°,-88.3° | CoCoRaHS | 2007-11-05 | 2009-11-23 | D M |
| Aliceville L&d | 010184 | Aliceville | AL | Pickens County | 33.2°,-88.3° | COOP | 1977-07-01 | 2009-11-23 | D M N |
| Alicia 2nne | 030064 | Alicia | AR | Lawrence County | 35.9°,-91.1° | COOP | 1905-05-12 | 2009-11-23 | D M N |
| Aliso Canyon Oat Mtn F | 040115 | CA | Los Angeles County | 34.3°,-118.6° | COOP | 1948-07-01 | 1991-05-31 | D M N | |
| Alitak Bay | 500225 | AK | County | 56.9°,-154.3° | COOP | 1964-06-01 | 1964-07-31 | D M | |
| Alkali Lake | 350118 | OR | Lake County | 43°,-120° | COOP | 1961-04-19 | 2009-11-23 | D M N | |
| Allagash | 170200 | ME | Aroostook County | 47.1°,-69° | COOP | 1986-05-01 | 2009-11-23 | D M N | |
| Allakaket | 500230 | Allakaket | AK | County | 66.6°,-152.6° | COOP | 1907-07-24 | 2003-10-08 | D M |
| Allan Bible Visit Ctr | 260125 | NV | Clark County | 36°,-114.8° | COOP | 2007-05-01 | 2009-06-30 | D M | |
| Allardt | 400081 | Allardt | TN | Fentress County | 36.4°,-84.9° | COOP | 1928-01-01 | 2009-11-23 | D M N |
| Allardt 10.0 SSW | TN-FN-3 | Allardt | TN | Fentress County | 36.3°,-85° | CoCoRaHS | 2007-05-14 | 2008-06-27 | D M |
| Allardt 7.4 SSW | TN-FN-1 | Allardt | TN | Fentress County | 36.3°,-84.9° | CoCoRaHS | 2007-04-15 | 2009-11-18 | D M |
| Allatoona Dam | 090180 | Emerson | GA | Bartow County | 34.2°,-84.7° | COOP | 1946-09-01 | 2009-11-02 | D M |
| Allatoona Dam 2 | 090181 | Emerson | GA | Bartow County | 34.2°,-84.7° | COOP | 1946-09-01 | 2009-11-23 | D M N |
| Allegan 5ne | 200128 | MI | Allegan County | 42.6°,-85.8° | COOP | 1888-10-01 | 2007-05-31 | D M N | |
| Allegany | 350126 | Allegany | OR | Coos County | 43.4°,-124° | COOP | 1950-02-01 | 1951-09-30 | D M |
| Allegany Sp | 300093 | Allegany | NY | Cattaraugus County | 42.1°,-78.8° | COOP | 1924-09-01 | 2009-11-16 | D M N |
| Allen | 150095 | Allen | KY | Floyd County | 37.6°,-82.7° | COOP | 1940-03-14 | 2009-11-02 | D M |
| Allen | 220130 | MS | Copiah County | 31.8°,-90.7° | COOP | 1963-09-01 | 1975-06-30 | D M | |
| Allen | 250125 | Allen | NE | Dixon County | 42.4°,-96.9° | COOP | 1992-04-01 | 1995-10-31 | D M |
| Allen | 340147 | Allen | OK | Pontotoc County | 34.9°,-96.4° | COOP | 1997-04-01 | 2009-11-04 | D M |
| Allen Junction | 210128 | MN | County | 47.5°,-92.1° | COOP | 1930-09-01 | 1952-11-20 | D M | |
| Allen's Rch | 420050 | UT | Daggett County | 40.9°,-109.2° | COOP | 1962-08-01 | 2001-10-31 | D M N | |
| Allendale 2 NW | 380126 | Allendale | SC | Allendale County | 33°,-81.3° | COOP | 1981-01-01 | 2009-11-19 | D M N |
| Allens Mills | 360099 | PA | County | 41.2°,-78.9° | COOP | 1948-05-01 | 1951-09-30 | D M | |
| Allenspark 2se | 050183 | CO | Boulder County | 40.2°,-105.5° | COOP | 1944-11-01 | 2000-09-29 | D M | |
| Allenspark 3nw | 050185 | CO | Boulder County | 40.2°,-105.5° | COOP | 1994-01-01 | 2004-06-30 | D M | |
| Allenton | 470080 | Allenton | WI | Washington County | 43.4°,-88.4° | COOP | 2007-02-01 | 2009-07-31 | D M |
| Allentown Ap | 360106 | Allentown | PA | Lehigh County | 40.7°,-75.4° | COOP | 1939-01-01 | 2009-11-22 | D M N |
| Allentown Gas Company | 360111 | Allentown | PA | Lehigh County | 40.6°,-75.5° | COOP | 1912-01-01 | 1965-09-30 | D M |
| Allerton | 130149 | Allerton | IA | Wayne County | 40.7°,-93.4° | COOP | 1902-06-01 | 2009-11-23 | D M |
| Alley Spring Rgr Stn | 230088 | MO | Shannon County | 37.2°,-91.4° | COOP | 1973-06-01 | 2009-11-17 | D M | |
| Alliance | 330102 | Alliance | OH | County | 40.9°,-81.1° | COOP | 1926-10-01 | 1949-01-31 | D M |
| Alliance 19wnw | 250138 | Alliance | NE | Box Butte County | 42.2°,-103.2° | COOP | 2005-09-01 | 2009-05-31 | D M |
| Alliance 1wnw | 250130 | Alliance | NE | Box Butte County | 42.1°,-102.9° | COOP | 1894-11-01 | 2009-11-23 | D M N |
| Alliance 3 Nnw | 330107 | Alliance | OH | Stark County | 41°,-81.1° | COOP | 1948-08-01 | 1951-09-30 | D M |
| Alligator River NWR | NALG | Wanchese | NC | Dare County | 35.5°,-75.5° | RAWS | 2003-02-20 | 2005-05-06 | H D M |
| Allison | 130157 | Allison | IA | Butler County | 42.8°,-92.8° | COOP | 1914-02-01 | 2009-11-22 | D M N |
| Allison | 410157 | Allison | TX | Wheeler County | 35.6°,-100.1° | COOP | 2000-06-02 | 2009-11-23 | D M |
| Allison Rch | 410160 | TX | Edwards County | 30.1°,-100.4° | COOP | 1964-10-01 | 1965-04-30 | D M | |
| Allisonia 2 SSE | 440135 | Pulaski | VA | Pulaski County | 36.9°,-80.7° | COOP | 1952-01-17 | 2003-01-31 | D M N |
| Alma | 040120 | CA | Santa Clara County | 37.2°,-122° | COOP | 1948-07-01 | 1950-01-31 | D M | |
| Alma | 200146 | Alma | MI | Gratiot County | 43.4°,-84.6° | COOP | 1887-06-01 | 2009-11-23 | D M N |
| Alma | 250145 | Alma | NE | County | 40.1°,-99.4° | COOP | 1895-04-01 | 1978-04-30 | D M |
| Alma Bacon County Ap | 090211 | Alma | GA | Bacon County | 31.5°,-82.5° | COOP | 1948-07-01 | 2009-11-22 | D M N |
| Alma Bacon County Ap | KAMG | Alma | GA | Bacon | 31.5°,-82.5° | ASOS | 2000-12-01 | 2009-11-23 | H D M |
| Alma Dam 4 | 470124 | Alma | WI | Buffalo County | 44.3°,-91.9° | COOP | 1936-11-01 | 2009-11-23 | D M N |
| Alma Scioto Trails For | 330115 | OH | County | 39.2°,-83° | COOP | 1948-08-01 | 1949-09-24 | D M | |
| Almaden | 040124 | CA | Santa Clara County | 37.2°,-121.8° | COOP | 1948-07-01 | 1949-10-20 | D M | |
| Almont | 200159 | Almont | MI | Lapeer County | 42.9°,-83° | COOP | 1978-05-01 | 1990-08-31 | D M |
| Almont | 320127 | Almont | ND | Morton County | 46.7°,-101.5° | COOP | 1984-12-01 | 2009-06-30 | D M N |
| Almont 7 W | 320136 | Almont | ND | Morton County | 46.7°,-101.7° | COOP | 1943-09-01 | 1984-09-30 | D M |
| Aloha Stadium Halawa | 510172 | HI | Honolulu County | 21.4°,-157.9° | COOP | 1975-10-01 | 1981-05-31 | D M | |
| Alpena 1 Nw | 460143 | WV | Randolph County | 38.9°,-79.7° | COOP | 1929-10-01 | 1973-08-31 | D M | |
| Alpena 10nw | 200166 | Alpena | MI | Alpena County | 45.2°,-83.6° | COOP | 1998-05-01 | 2008-05-31 | D M |
| Alpena Co Rgnl Ap | 200164 | Alpena | MI | Alpena County | 45.1°,-83.6° | COOP | 1916-10-21 | 2009-11-22 | D M N |
| Alpena Wwtp | 200169 | Alpena | MI | Alpena County | 45.1°,-83.4° | COOP | 1948-01-01 | 2009-06-30 | D M N |
| Alpha | 150122 | Albany | KY | Clinton County | 36.7°,-85° | COOP | 1893-12-01 | 1921-08-31 | D M |
| Alpha 1 Ne | 100199 | ID | County | 44.4°,-116° | COOP | 1911-02-06 | 1953-11-18 | D M | |
| Alpha 1 S | 320149 | Sentinel Butte | ND | Golden Valley County | 46.6°,-103.8° | COOP | 1948-07-01 | 1975-11-30 | D M |
| Alpharetta 1.0 NW | GA-FT-9 | Alpharetta | GA | Fulton County | 34.1°,-84.3° | CoCoRaHS | 2008-05-27 | 2009-11-23 | D M |
| Alpharetta 2.5 E | GA-FT-3 | Alpharetta | GA | Fulton County | 34.1°,-84.2° | CoCoRaHS | 2008-04-29 | 2009-05-07 | D M |
| Alpharetta 4 SSW | 090219 | Roswell | GA | Fulton County | 34°,-84.3° | COOP | 1901-10-01 | 2009-11-23 | D M N |
| Alpine | 020159 | Alpine | AZ | Apache County | 33.8°,-109.1° | COOP | 1904-10-01 | 2009-11-23 | D M N |
| Alpine | 030118 | Alpine | AR | Clark County | 34.2°,-93.3° | COOP | 1944-04-07 | 1949-12-31 | D M |
| Alpine | 040134 | Alpine | CA | San Diego County | 32.9°,-116.8° | COOP | 1951-11-01 | 2009-10-31 | D M |
| Alpine | 040136 | Alpine | CA | San Diego County | 32.8°,-116.8° | COOP | 1951-11-01 | 2009-11-20 | D M N |
| Alpine | 410174 | Alpine | TX | Brewster County | 30.4°,-103.7° | COOP | 1900-03-01 | 2009-11-23 | D M N |
| Alpine | 420061 | Alpine | UT | Utah County | 40.5°,-111.8° | COOP | 1899-05-01 | 2009-11-23 | D M N |
| Alpine 1 Se | 480124 | Alpine | WY | Lincoln County | 43.2°,-111.1° | COOP | 1960-10-01 | 1966-11-17 | D M |
| Alpine 18 Sw | 020170 | Alpine | AZ | Greenlee County | 33.6°,-109.3° | COOP | 1985-07-01 | 2009-11-23 | D M |
| Alpine 2 Ne | 120132 | Alpine | IN | Fayette County | 39.6°,-85.2° | COOP | 1948-07-01 | 2009-11-23 | D M |
| Alpine 8 Sse | 020174 | Alpine | AZ | Greenlee County | 33.7°,-109.1° | COOP | 1989-11-01 | 2009-05-31 | D M N |
| Alpine Inn | 500238 | AK | County | 61.7°,-148.9° | COOP | 1963-10-01 | 1971-12-31 | D M | |
| Alsea Fh (fall Creek) | 350145 | Alsea | OR | Lincoln County | 44.4°,-123.8° | COOP | 1954-10-14 | 2009-11-15 | D M N |
| Alta | 130173 | Alta | IA | County | 42.7°,-95.3° | COOP | 1893-01-01 | 1959-10-31 | D M |
| Alta | 420072 | UT | Salt Lake County | 40.6°,-111.6° | COOP | 1905-03-17 | 2009-11-23 | D M N | |
| Alta 1 Nnw | 480140 | WY | Teton County | 43.8°,-111° | COOP | 1909-07-18 | 2009-07-31 | D M N | |
| Alta Vista | 140195 | Alta Vista | KS | Wabaunsee County | 38.9°,-96.5° | COOP | 1948-08-01 | 2009-11-17 | D M N |
| Altadena | 040144 | Altadena | CA | Los Angeles County | 34.2°,-118.1° | COOP | 1922-01-01 | 2009-06-30 | D M N |
| ALTAMONT | 400116 | Altamont | TN | Monroe County | 35.4°,-84.3° | COOP | 1929-08-01 | 1962-03-31 | D M |
| Altamont | 140190 | KS | Labette County | 37.2°,-95.3° | COOP | 1943-07-17 | 2009-11-18 | D M | |
| Altamont | 420074 | UT | Duchesne County | 40.4°,-110.3° | COOP | 1948-09-01 | 2009-11-23 | D M N | |
| Altamont 0.8 SE | TN-GY-3 | Altamont | TN | Grundy County | 35.4°,-85.7° | CoCoRaHS | 2007-04-01 | 2009-11-19 | D M |
| Altamont 3.9 NW | TN-GY-8 | Altamont | TN | Grundy County | 35.5°,-85.8° | CoCoRaHS | 2007-12-27 | 2009-11-21 | D M |
| Altamont 3.9 W | TN-GY-4 | Altamont | TN | Grundy County | 35.4°,-85.8° | CoCoRaHS | 2007-08-25 | 2009-07-29 | D M |
| Altapass | 310160 | Spruce Pine | NC | Mitchell County | 35.9°,-82° | COOP | 1910-11-01 | 1962-03-31 | D M |
| Altavista | 440166 | Altavista | VA | Pittsylvania County | 37.1°,-79.2° | COOP | 1945-05-01 | 2009-07-31 | D M N |
| Altavista 1.4 NNW | VA-CM-2 | Altavista | VA | Campbell County | 37.1°,-79.3° | CoCoRaHS | 2007-09-27 | 2008-05-09 | D M |
| Altenbern | 050214 | CO | Garfield County | 39.5°,-108.4° | COOP | 1947-07-01 | 2009-11-23 | D M N | |
| Alto 4 SE | 090236 | Baldwin | GA | Banks County | 34.4°,-83.5° | COOP | 1999-11-01 | 2009-11-23 | D M |
| Alto 5 Sw | 410190 | Alto | TX | Cherokee County | 31.6°,-95.1° | COOP | 1941-09-14 | 2008-07-31 | D M N |
| Alton | 130181 | Alton | IA | Sioux County | 43°,-96° | COOP | 1905-05-01 | 2009-10-30 | D M N |
| Alton | 270100 | Alton | NH | Belknap County | 43.4°,-71.3° | COOP | 1977-07-01 | 1986-12-31 | D M |
| Alton | 420086 | Alton | UT | Kane County | 37.4°,-112.5° | COOP | 1915-05-01 | 2009-07-31 | D M N |
| Alton 1 W | 140201 | KS | Osborne County | 39.5°,-99° | COOP | 1902-11-10 | 2009-11-02 | D M N | |
| Alton 2sw | 140200 | Alton | KS | Osborne County | 39.4°,-99° | COOP | 1902-11-10 | 2009-11-23 | D M |
| Alton 6 Se | 230127 | MO | Oregon County | 36.6°,-91.3° | COOP | 1940-03-01 | 2009-10-30 | D M N | |
| Alton Melvin Price L&d | 110137 | Alton | IL | Madison County | 38.9°,-90.1° | COOP | 1892-12-02 | 2009-11-23 | D M N |
| Altona | 110140 | IL | Knox County | 41.1°,-90.2° | COOP | 2004-11-02 | 2009-11-23 | D M | |
| Altona | 230135 | MO | County | 38.4°,-94.2° | COOP | 1937-07-01 | 1950-09-30 | D M | |
| Altoona | 140209 | Altoona | KS | Wilson County | 37.5°,-95.7° | COOP | 1980-10-01 | 2009-03-30 | D M |
| Altoona | 360132 | Altoona | PA | Blair County | 40.5°,-78.4° | COOP | 2001-04-13 | 2009-11-22 | D M |
| Altoona 3 W | 360140 | Altoona | PA | Blair County | 40.5°,-78.5° | COOP | 1967-10-01 | 2009-06-30 | D M N |
| Altoona Faa Ap | 360130 | Altoona | PA | Blair County | 40.3°,-78.3° | COOP | 1948-05-01 | 2009-11-06 | D M N |
| Altoona Horseshoe Curv | 360134 | Altoona | PA | Blair County | 40.5°,-78.5° | COOP | 1893-01-01 | 1967-09-30 | D M |
| Altura 5w | 210146 | MN | Winona County | 44.1°,-92° | COOP | 2003-07-01 | 2009-11-23 | D M | |
| Alturas | 040161 | Alturas | CA | Modoc County | 41.5°,-120.6° | COOP | 1905-04-01 | 2009-11-23 | D M N |
| Altus 3s Mesonet | 340180 | OK | Jackson County | 34.6°,-98.7° | COOP | 2000-01-07 | 2009-11-14 | D M | |
| Altus 7 Ne | 340188 | OK | Jackson County | 34.7°,-99.3° | COOP | 1948-05-01 | 1951-09-30 | D M | |
| Altus Dam | 340184 | Altus | OK | Kiowa County | 34.9°,-99.3° | COOP | 1945-08-01 | 2009-11-23 | D M N |
| Altus Irig Rsch Stn | 340179 | OK | Jackson County | 34.6°,-99.3° | COOP | 1903-05-01 | 2009-11-19 | D M N | |
| Alum Creek 3.0 E | WV-KN-1 | Alum Creek | WV | Kanawha County | 38.3°,-81.8° | CoCoRaHS | 2009-04-24 | 2009-11-23 | D M |
| Alum Fork | 030130 | AR | Saline County | 34.8°,-92.8° | COOP | 1937-01-06 | 2009-06-30 | D M N | |
| Alunite | 420113 | UT | County | 38.4°,-112.3° | COOP | 1917-04-01 | 1953-07-31 | D M | |
| Alva | 480206 | Alva | WY | Crook County | 44.7°,-104.4° | COOP | 1943-05-01 | 1996-10-09 | D M |
| Alva 1 Ene | 340194 | Alva | OK | Woods County | 36.8°,-98.7° | COOP | 1981-06-01 | 1988-10-31 | D M |
| Alva 1 Ne | 340193 | Alva | OK | Woods County | 36.8°,-98.6° | COOP | 1894-04-01 | 2009-01-31 | D M N |
| Alva 5 Ese | 480200 | Alva | WY | Crook County | 44.7°,-104.3° | COOP | 1948-08-01 | 2001-11-30 | D M |
| Alva 7ssw Mesonet | 340198 | OK | Woods County | 36.7°,-97.3° | COOP | 2000-07-07 | 2009-11-14 | D M | |
| Alvarado | 410201 | Alvarado | TX | Johnson County | 32.4°,-97.2° | COOP | 1940-06-01 | 1964-10-31 | D M |
| Alvarado 4ne | 410202 | Alvarado | TX | Johnson County | 32.5°,-97.2° | COOP | 1987-04-01 | 2009-11-22 | D M N |
| Alvin | 410204 | Alvin | TX | Brazoria County | 29.4°,-95.2° | COOP | 1898-06-01 | 2009-11-20 | D M N |
| Alvord 3 N | 410206 | Alvord | TX | Wise County | 33.4°,-97.7° | COOP | 1948-06-01 | 2009-11-23 | D M |
| Alvord Rch | 350170 | OR | Harney County | 42.6°,-118.5° | COOP | 1960-04-08 | 1968-03-31 | D M | |
| Aly | 030136 | AR | Yell County | 34.8°,-93.5° | COOP | 1946-03-01 | 1982-03-31 | D M | |
| Alyeska | 500243 | AK | Anchorage County | 61°,-149.1° | COOP | 1963-11-07 | 2009-09-04 | D M N | |
| Alzada | 240165 | Alzada | MT | Carter County | 45°,-104.4° | COOP | 1904-11-01 | 1951-09-30 | D M |
| Alzada 6 Nw | 240179 | Alzada | MT | County | 45.1°,-104.5° | COOP | 1951-03-15 | 1954-08-31 | D M |
| Alzada 8 Nw | 240181 | Alzada | MT | County | 45.1°,-104.5° | COOP | 1951-03-14 | 1951-09-30 | D M |
| Amado | 020204 | Amado | AZ | Santa Cruz County | 31.7°,-111.1° | COOP | 1941-07-01 | 1976-07-31 | D M |
| Amalga | 420120 | UT | County | 41.8°,-111.9° | COOP | 1951-02-01 | 1953-01-31 | D M | |
| Amanda Park | 450158 | Amanda Park | WA | County | 47.5°,-123.9° | COOP | 1957-08-01 | 1963-08-31 | D M |
| Amargosa Farms-garey | 260150 | NV | Nye County | 36.6°,-116.5° | COOP | 1965-12-01 | 2009-11-23 | D M N | |
| Amarillo Wso Ap | 410211 | Amarillo | TX | Potter County | 35.1°,-101.4° | COOP | 1941-04-01 | 2009-11-22 | D M N |