
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 the most recent observation from each station
| Name | ID | City | State | County | Lat,Lon | Type | Start Date | Most Recent ob | Data |
| Beech Bottom | BEECHBOT | Beech Mountain | NC | Avery County | 36.2°,-81.9° | Experiment | 2008-03-01 | 2009-11-24 | H D M |
| Border Belt Tobacco Res Stn | WHIT | Whiteville | NC | Columbus County | 34.4°,-78.8° | ECONET | 1984-05-25 | 2009-11-24 | H D M |
| Buckland Elementary | BUCK | Buckland | NC | Gates County | 36.5°,-76.8° | ECONET | 2006-09-20 | 2009-11-24 | H D M |
| Burnsville Tower | BURN | Burnsville | NC | Yancey County | 35.9°,-82.3° | ECONET | 2008-12-17 | 2009-11-24 | H D M |
| Central Crops Research Station | CLAY | Clayton | NC | Johnston County | 35.7°,-78.5° | ECONET | 1978-12-08 | 2009-11-24 | H D M |
| Chesapeake Light | CHLV2 | Atlantic Ocean | VA | Atlantic Ocean | 36.9°,-75.7° | CMAN | 1984-08-21 | 2009-11-24 | H D M |
| Cunningham Research Station | KINS | Kinston | NC | Lenoir County | 35.3°,-77.6° | ECONET | 1987-06-10 | 2009-11-24 | H D M |
| Fairfield County Airport | KFDW | Winnsboro | SC | Fairfield County | 34.3°,-81.1° | AWOS | 2009-04-20 | 2009-11-24 | H D M |
| Flat Springs | FLATSPRING | Poga Mountain | NC | Avery County | 36.3°,-81.9° | Experiment | 2008-02-15 | 2009-11-24 | H D M |
| Folly Island | FBIS1 | Folly Beach | SC | Charleston County | 32.7°,-79.9° | CMAN | 1984-05-21 | 2009-11-24 | H D M |
| Grandfather Mountain | GRANDFATHR | Grandfather Mountain | NC | Avery County | 36.1°,-81.8° | Experiment | 2008-05-21 | 2009-11-24 | H D M |
| Hamlet Tower | HAML | Hamlet | NC | Richmond County | 34.8°,-79.7° | ECONET | 2007-11-27 | 2009-11-24 | H D M |
| Horticultural Crops Res Stn | CAST | Castle Hayne | NC | New Hanover County | 34.3°,-77.9° | ECONET | 1983-03-17 | 2009-11-24 | H D M |
| Horticultural Crops Research Stn | CLIN | Clinton | NC | Sampson County | 35°,-78.3° | ECONET | 1984-04-17 | 2009-11-24 | H D M |
| Kendall Valley Elementary School | NEWL | New London | NC | Stanly County | 35.4°,-80.2° | ECONET | 2009-10-22 | 2009-11-24 | H D M |
| Lake Wheeler Rd Field Lab | LAKE | Raleigh | NC | Wake County | 35.7°,-78.7° | ECONET | 1982-05-12 | 2009-11-24 | H D M |
| Mount Mitchell State Park | MITC | Mount Mitchell | NC | Yancey County | 35.8°,-82.3° | ECONET | 2008-06-26 | 2009-11-24 | H D M |
| Mountain Research Station | WAYN | Waynesville | NC | Haywood County | 35.5°,-83° | ECONET | 1987-10-03 | 2009-11-24 | H D M |
| NC A&T SU Research Farm | NCAT | Greensboro | NC | Guilford County | 36.1°,-79.7° | ECONET | 2006-02-23 | 2009-11-24 | H D M |
| NC Electric Cooperative Anson Peaking Plant | LILE | Lilesville | NC | Anson County | 35°,-79.9° | ECONET | 2007-05-18 | 2009-11-24 | H D M |
| Poga Mountain | POGA | Poga Mountain | NC | Avery County | 36.3°,-81.9° | Experiment | 2008-02-24 | 2009-11-24 | H D M |
| Sandhills Research Station | JACK | Jackson Springs | NC | Montgomery County | 35.2°,-79.7° | ECONET | 1985-08-29 | 2009-11-24 | H D M |
| Taylorsville Tower | TAYL | Taylorsville | NC | Alexander County | 35.9°,-81.2° | ECONET | 2008-11-06 | 2009-11-24 | H D M |
| Tidewater Research Station | PLYM | Plymouth | NC | Washington County | 35.8°,-76.7° | ECONET | 1984-07-20 | 2009-11-24 | H D M |
| Upper Coastal Plain Res Stn | ROCK | Rocky Mount | NC | Edgecombe County | 35.9°,-77.7° | ECONET | 1987-05-19 | 2009-11-24 | H D M |
| Upper Mountain Research Stn | LAUR | Laurel Springs | NC | Ashe County | 36.4°,-81.3° | ECONET | 2000-04-18 | 2009-11-24 | H D M |
| Upper Piedmont Research Stn | REID | Reidsville | NC | Rockingham County | 36.4°,-79.7° | ECONET | 1999-05-19 | 2009-11-24 | 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 |
| 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 |
| 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 |
| 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 |
| Aberdeen | 220021 | Aberdeen | MS | Monroe County | 33.8°,-88.5° | COOP | 1892-07-01 | 2009-11-23 | 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 |
| Abernathy | 410012 | TX | Hale County | 33.8°,-101.9° | COOP | 1943-11-01 | 2009-11-23 | 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 Airport | KVJI | Abingdon | VA | Washington County | 36.7°,-82° | AWOS | 2000-12-14 | 2009-11-23 | H 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 |
| Acmetonia Lock 3 | 360022 | PA | Allegheny County | 40.5°,-79.8° | COOP | 1905-03-01 | 2009-11-23 | D M N | |
| Acton Rch | 410040 | TX | Crockett County | 30.4°,-101.3° | COOP | 1992-03-01 | 2009-11-23 | D M | |
| Adairsville 5 ESE | 090044 | Adairsville | GA | Bartow County | 34.3°,-84.8° | COOP | 1986-10-01 | 2009-11-23 | D M N |
| 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 3.8 N | AL-WN-2 | Addison | AL | Winston County | 34.3°,-87.2° | CoCoRaHS | 2009-07-16 | 2009-11-23 | 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 |
| Afton | 470045 | WI | Rock County | 42.6°,-89.1° | COOP | 1987-08-01 | 2009-11-23 | D M N | |
| Agate 3 E | 250030 | NE | Sioux County | 42.4°,-103.7° | COOP | 1900-04-01 | 2009-11-23 | D M N | |
| Aguila | 020060 | Aguila | AZ | Maricopa County | 33.9°,-113.2° | COOP | 1924-05-30 | 2009-11-23 | D M N |
| Aguilar 18wsw | 050105 | Aguilar | CO | Las Animas County | 37.3°,-105° | COOP | 1998-04-01 | 2009-11-23 | 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 Heights 764.6 | 510123 | Aiea | HI | Honolulu County | 21.4°,-157.9° | COOP | 1982-09-01 | 2009-11-23 | D M N |
| 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 2 E | 380072 | SC | Aiken County | 33.6°,-80.3° | COOP | 2009-01-24 | 2009-11-23 | 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 |
| Ainsworth | 250050 | Ainsworth | NE | Brown County | 42.6°,-99.9° | COOP | 1905-11-01 | 2009-11-23 | 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 |
| Alamo 1 N | 400049 | Alamo | TN | Crockett County | 35.8°,-89.1° | COOP | 2001-09-27 | 2009-11-23 | D M |
| Alamosa 2s | 050128 | Alamosa | CO | Alamosa County | 37.4°,-105.9° | COOP | 2005-08-26 | 2009-11-23 | D M |
| Albany | 230051 | Albany | MO | Gentry County | 40.2°,-94.3° | COOP | 1905-01-01 | 2009-11-23 | D M |
| Albany | 410120 | Albany | TX | Shackelford County | 32.7°,-99.3° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| 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 Sw Ga Rgnl Ap | KABY | Albany | GA | Dougherty | 31.5°,-84.2° | ASOS | 2001-01-01 | 2009-11-23 | H D M |
| Albers 1 W | 110050 | IL | Clinton County | 38.5°,-89.6° | COOP | 1977-09-01 | 2009-11-23 | 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 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 |
| Alberton | 240075 | MT | Mineral County | 47°,-114.5° | COOP | 1958-04-01 | 2009-11-23 | 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 |
| Albion | 170177 | Albion | ME | Kennebec County | 44.5°,-69.5° | COOP | 1990-08-01 | 2009-11-23 | D M N |
| 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 |
| ALEXANDER CITY | 010160 | Alexander City | AL | TALLAPOOSA | 32.9°,-84.1° | COOP | 1969-10-01 | 2009-11-23 | D M N |
| 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 3.1 N | AL-TP-9 | Alexander City | AL | Tallapoosa County | 33°,-85.9° | CoCoRaHS | 2007-10-25 | 2009-11-23 | D M |
| Alexander Cy Russell Ap | KALX | Alexander City | AL | Tallapoosa | 32.9°,-86° | AWOS | 2003-05-07 | 2009-11-23 | H 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 0.5 SW | TN-DK-4 | Alexandria | TN | De Kalb County | 36.1°,-86° | CoCoRaHS | 2007-07-23 | 2009-11-23 | D M |
| Alexandria 4 | 270045 | NH | Grafton County | 43.6°,-71.8° | COOP | 1996-05-01 | 2009-11-23 | D M | |
| Alexandria 5 Sse | 160103 | Alexandria | LA | Rapides County | 31.2°,-92.4° | COOP | 1992-01-01 | 2009-11-23 | D M |
| 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 |
| 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 |
| 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 | |
| Allardt | 400081 | Allardt | TN | Fentress County | 36.4°,-84.9° | COOP | 1928-01-01 | 2009-11-23 | D M N |
| Allatoona Dam 2 | 090181 | Emerson | GA | Bartow County | 34.2°,-84.7° | COOP | 1946-09-01 | 2009-11-23 | D M N |
| Allerton | 130149 | Allerton | IA | Wayne County | 40.7°,-93.4° | COOP | 1902-06-01 | 2009-11-23 | D M |
| Alliance 1wnw | 250130 | Alliance | NE | Box Butte County | 42.1°,-102.9° | COOP | 1894-11-01 | 2009-11-23 | D M N |
| Allison | 410157 | Allison | TX | Wheeler County | 35.6°,-100.1° | COOP | 2000-06-02 | 2009-11-23 | D M |
| Alma | 200146 | Alma | MI | Gratiot County | 43.4°,-84.6° | COOP | 1887-06-01 | 2009-11-23 | 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 |
| 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 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 | 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 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 |
| Alta | 420072 | UT | Salt Lake County | 40.6°,-111.6° | COOP | 1905-03-17 | 2009-11-23 | D M N | |
| Altamont | 420074 | UT | Duchesne County | 40.4°,-110.3° | COOP | 1948-09-01 | 2009-11-23 | D M N | |
| 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 |
| Alton 2sw | 140200 | Alton | KS | Osborne County | 39.4°,-99° | COOP | 1902-11-10 | 2009-11-23 | D M |
| 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 | |
| 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 Dam | 340184 | Altus | OK | Kiowa County | 34.9°,-99.3° | COOP | 1945-08-01 | 2009-11-23 | 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 |
| Alvord 3 N | 410206 | Alvord | TX | Wise County | 33.4°,-97.7° | COOP | 1948-06-01 | 2009-11-23 | D M |
| Amargosa Farms-garey | 260150 | NV | Nye County | 36.6°,-116.5° | COOP | 1965-12-01 | 2009-11-23 | D M N | |
| Amboy Road East | 040174 | CA | San Bernardino County | 34.2°,-114.2° | COOP | 2009-02-01 | 2009-11-23 | D M | |
| Amelia 8 NE | 440188 | Bon Air | VA | Amelia County | 37.4°,-77.9° | COOP | 2003-07-01 | 2009-11-23 | D M |
| Americus 3 SW | 090253 | Americus | GA | Sumter County | 32.1°,-84.3° | COOP | 1876-05-01 | 2009-11-23 | D M N |
| Ames 5 Se | 130203 | IA | Story County | 42°,-93.6° | COOP | 1900-01-01 | 2009-11-23 | D M N | |
| Ames 8 Wsw | 130200 | Ames | IA | Boone County | 42°,-93.8° | COOP | 1964-11-01 | 2009-11-23 | D M N |
| Ames Plantation | 400137 | TN | Fayette County | 35.1°,-89.2° | COOP | 1976-01-01 | 2009-11-23 | D M N | |
| Amherst | 190120 | Amherst | MA | Hampshire County | 42.4°,-72.5° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Amistad Dam | 410225 | TX | Val Verde County | 29.5°,-101° | COOP | 1964-05-01 | 2009-11-23 | D M N | |
| Amite | 160205 | Amite | LA | Tangipahoa County | 30.7°,-90.5° | COOP | 1892-12-01 | 2009-11-23 | D M N |
| Amity 4 Ne | 230143 | MO | Dekalb County | 39.9°,-94.4° | COOP | 1935-04-01 | 2009-11-23 | D M N | |
| Amory L&d A | 220173 | MS | Monroe County | 34°,-88.5° | COOP | 1992-01-01 | 2009-11-23 | D M | |
| Anaconda | 240199 | Anaconda | MT | Deer Lodge County | 46.1°,-113° | COOP | 1894-06-01 | 2009-11-23 | D M N |
| Anaheim | 040192 | Anaheim | CA | Orange County | 33.9°,-117.8° | COOP | 1989-08-01 | 2009-11-23 | D M N |
| Anahuac | 410235 | TX | Chambers County | 29.8°,-94.6° | COOP | 1909-06-01 | 2009-11-23 | D M N | |
| Anamosa 1 Wnw | 130213 | Anamosa | IA | Jones County | 42.1°,-91.3° | COOP | 1937-05-01 | 2009-11-23 | D M N |
| Andalusia Opp Ap | K79J | Andalusia | AL | Covington | 31.3°,-86.4° | ASOS | 2008-04-18 | 2009-11-23 | H D M |
| Anderson | 380165 | Anderson | SC | Anderson County | 34.5°,-82.7° | COOP | 1892-01-13 | 2009-11-23 | D M N |
| Anderson | 010260 | Anderson | AL | Lauderdale County | 34.9°,-87.3° | COOP | 2004-05-15 | 2009-11-23 | D M |
| Anderson 0.4 N | SC-AN-6 | Anderson | SC | Anderson County | 34.5°,-82.6° | CoCoRaHS | 2008-03-23 | 2009-11-23 | D M |
| Anderson 10.5 SE | SC-AN-21 | Anderson | SC | Anderson County | 34.4°,-82.6° | CoCoRaHS | 2009-07-25 | 2009-11-23 | D M |
| Anderson 3.8 W | SC-AN-17 | Anderson | SC | Anderson County | 34.5°,-82.7° | CoCoRaHS | 2009-07-18 | 2009-11-23 | D M |
| Anderson 5.3 N | SC-AN-9 | Anderson | SC | Anderson County | 34.6°,-82.6° | CoCoRaHS | 2008-03-26 | 2009-11-23 | D M |
| Anderson County Airport | KAND | Anderson | SC | Anderson County | 34.5°,-82.7° | ASOS | 1998-01-04 | 2009-11-23 | H D M |
| Anderson Wtr Wks | 120182 | Anderson | IN | Madison County | 40.1°,-85.7° | COOP | 1910-12-01 | 2009-11-23 | D M N |
| Andover #2 | 390120 | Andover | SD | Day County | 45.4°,-97.9° | COOP | 2000-01-01 | 2009-11-23 | D M |
| Andover 2 | 170217 | Andover | ME | Oxford County | 44.7°,-70.8° | COOP | 2001-09-26 | 2009-11-23 | D M |
| Andrew Pickens | SANP | Walhalla | SC | Oconee County | 34.8°,-83.1° | RAWS | 1997-02-25 | 2009-11-23 | H D M |
| Andrews | 380184 | Andrews | SC | Georgetown County | 33.4°,-79.6° | COOP | 1962-11-01 | 2009-11-23 | D M N |
| Andrews | 410248 | Andrews | TX | Andrews County | 32.3°,-102.6° | COOP | 1914-01-01 | 2009-11-23 | D M N |
| Andrews-Murphy Airport | KRHP | Andrews | NC | Cherokee County | 35.2°,-83.9° | AWOS | 2001-06-18 | 2009-11-23 | H D M |
| Angola | 120200 | Angola | IN | Steuben County | 41.6°,-85° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Angwin Pac Union Col | 040212 | Angwin | CA | Napa County | 38.6°,-122.4° | COOP | 1940-01-01 | 2009-11-23 | D M N |
| Ankeny | 130241 | IA | Polk County | 41.7°,-93.6° | COOP | 1950-05-01 | 2009-11-23 | D M N | |
| Ann Arbor Se | 200228 | Ann Arbor | MI | Washtenaw County | 42.2°,-83.7° | COOP | 2003-04-01 | 2009-11-23 | D M |
| Ann Arbor U Of Mich | 200230 | Ann Arbor | MI | Washtenaw County | 42.3°,-83.7° | COOP | 1880-01-01 | 2009-11-23 | D M N |
| Annex Creek | 500363 | AK | Juneau County | 58.3°,-134.1° | COOP | 1917-01-01 | 2009-11-23 | D M N | |
| Anniston Metropolitan Ap | KANB | Anniston | AL | Calhoun | 33.6°,-85.9° | ASOS | 1998-06-16 | 2009-11-23 | H D M |
| Ansley | 220218 | Ansley | MS | Hancock County | 30.2°,-89.5° | COOP | 1999-10-01 | 2009-11-23 | D M |
| Anson | 410268 | TX | Jones County | 32.8°,-99.9° | COOP | 1898-01-10 | 2009-11-23 | D M N | |
| Anson County Airport | KAFP | Wadesboro | NC | Anson County | 35°,-80.1° | AWOS | 2006-11-28 | 2009-11-23 | H D M |
| Ansted Hawks Nest St P | 460202 | Ansted | WV | Fayette County | 38.1°,-81.1° | COOP | 1999-10-13 | 2009-11-23 | D M |
| Antelope 6 Ssw | 350197 | Antelope | OR | Jefferson County | 44.8°,-120.8° | COOP | 1924-09-01 | 2009-11-23 | D M N |
| Antelope Wells | 290426 | NM | Hidalgo County | 31.3°,-108.5° | COOP | 1990-04-01 | 2009-11-23 | D M | |
| Antero Rsvr | 050263 | CO | Park County | 39°,-105.9° | COOP | 1961-06-01 | 2009-11-23 | D M N | |
| Anthony 2 W | 140264 | KS | Harper County | 37.2°,-98° | COOP | 1896-10-01 | 2009-11-23 | D M N | |
| Antigo | 470239 | Antigo | WI | Langlade County | 45.2°,-89.1° | COOP | 1894-05-01 | 2009-11-23 | D M N |
| Antreville | 380204 | Lake Secession | SC | Abbeville County | 34.3°,-82.6° | COOP | 1952-01-07 | 2009-11-23 | D M N |
| Apache Junction 5 Ne | 020288 | Apache Junction | AZ | Pinal County | 33.5°,-111.5° | COOP | 1987-05-01 | 2009-11-23 | D M N |
| Apalachicola Muni Ap | KAAF | Apalachicola | FL | Franklin | 29.7°,-85° | ASOS | 2000-06-28 | 2009-11-23 | H D M |
| Apex | 310212 | Apex | NC | Wake County | 35.7°,-78.8° | COOP | 1993-07-01 | 2009-11-23 | D M |
| Apex 1.5 E | NC-WK-28 | Apex | NC | Wake County | 35.7°,-78.8° | CoCoRaHS | 2007-08-31 | 2009-11-23 | D M |
| Apex 2.2 N | NC-WK-77 | Apex | NC | Wake County | 35.8°,-78.8° | CoCoRaHS | 2009-07-02 | 2009-11-23 | D M |
| Apex 3.0 NNW | NC-WK-81 | Apex | NC | Wake County | 35.8°,-78.9° | CoCoRaHS | 2009-09-23 | 2009-11-23 | D M |
| Apex 3.4 ESE | NC-WK-4 | Apex | NC | Wake County | 35.7°,-78.8° | CoCoRaHS | 2007-08-30 | 2009-11-23 | D M |
| Apex 6.1 ESE | NC-WK-22 | Apex | NC | Wake County | 35.7°,-78.7° | CoCoRaHS | 2007-08-27 | 2009-11-23 | D M |
| Appleton | 450217 | WA | Klickitat County | 45.8°,-121.3° | COOP | 1959-06-12 | 2009-11-23 | D M N | |
| Appleton | 470265 | Appleton | WI | Outagamie County | 44.3°,-88.4° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Appleton City | 230204 | Appleton City | MO | St. Clair County | 38.2°,-94° | COOP | 1890-01-01 | 2009-11-23 | D M N |
| Appomattox | 440243 | Appomattox | VA | Appomattox County | 37.4°,-78.8° | COOP | 1937-11-06 | 2009-11-23 | D M N |
| Aransas Wr | 410305 | TX | Aransas County | 28.3°,-96.8° | COOP | 1940-06-04 | 2009-11-23 | D M N | |
| Ararat 4.7 SW | NC-SR-6 | Ararat | NC | Surry County | 36.3°,-80.6° | CoCoRaHS | 2009-08-26 | 2009-11-23 | D M |
| Arboretum Univ Wis | 470273 | WI | Dane County | 43°,-89.4° | COOP | 1971-10-01 | 2009-11-23 | D M N | |
| Archbold Bio Stn | 080236 | FL | Highlands County | 27.2°,-81.4° | COOP | 1969-01-01 | 2009-11-23 | D M N | |
| Arches Np Hqs | 420336 | UT | Grand County | 38.6°,-109.6° | COOP | 1980-06-01 | 2009-11-23 | D M N | |
| Arcola | 310241 | Arcola | NC | Warren County | 36.3°,-78° | COOP | 1930-09-01 | 2009-11-23 | D M N |
| Arecibo Obsy | 660426 | Arecibo | PR | Arecibo County | 18.3°,-66.8° | COOP | 1980-02-01 | 2009-11-23 | D M N |
| Argyle | 470287 | Argyle | WI | Lafayette County | 42.7°,-89.9° | COOP | 2000-07-31 | 2009-11-23 | D M |
| Arizona City | 020404 | AZ | Pinal County | 32.7°,-111.7° | COOP | 2000-01-20 | 2009-11-23 | D M | |
| Arkabutla Dam | 220237 | MS | Tate County | 34.7°,-90.1° | COOP | 1941-08-01 | 2009-11-23 | D M N | |
| Arkadelphia 2 N | 030220 | Arkadelphia | AR | Clark County | 34.1°,-93.1° | COOP | 1892-01-01 | 2009-11-23 | D M N |
| Arlington | 410337 | Arlington | TX | Tarrant County | 32.7°,-97.1° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Arlington Univ Farm | 470308 | Arlington | WI | Columbia County | 43.3°,-89.3° | COOP | 1962-06-01 | 2009-11-23 | D M N |
| Armstrong 4se | 410345 | Armstrong | TX | Kenedy County | 26.8°,-97.7° | COOP | 2002-01-05 | 2009-11-23 | D M |
| Armuchee #1 | GARM | La Fayette | GA | Walker County | 34.7°,-85.2° | RAWS | 2001-09-13 | 2009-11-23 | H D M |
| Arnoldsville 0.4 S | GA-OG-5 | Arnoldsville | GA | Oglethorpe County | 33.9°,-83.2° | CoCoRaHS | 2008-05-05 | 2009-11-23 | D M |
| Arnoldsville 3.7 SSW | GA-OG-12 | Arnoldsville | GA | Oglethorpe County | 33.9°,-83.2° | CoCoRaHS | 2008-05-01 | 2009-11-23 | D M |
| Arrowrock Dam | 100448 | ID | Elmore County | 43.6°,-115.9° | COOP | 1911-11-01 | 2009-11-23 | D M N | |
| Artesia 6s | 290600 | NM | Eddy County | 32.8°,-104.4° | COOP | 1905-06-01 | 2009-11-23 | D M N | |
| Arthur | 250365 | Arthur | NE | Arthur County | 41.6°,-101.7° | COOP | 1929-05-01 | 2009-11-23 | D M N |
| Arvin | 040332 | Arvin | CA | Kern County | 35.2°,-118.8° | COOP | 2000-01-03 | 2009-11-23 | D M |
| Ash | VASH | Clifton Forge | VA | Bath County | 38°,-79.8° | RAWS | 1998-05-18 | 2009-11-23 | H D M |
| Ash Grove 4s | 230304 | Ash Grove | MO | Greene County | 37.3°,-93.6° | COOP | 1975-02-01 | 2009-11-23 | D M N |
| Ash Mtn | 040343 | CA | Tulare County | 36.5°,-118.8° | COOP | 1927-01-01 | 2009-11-23 | D M N | |
| Ashburnham | 190190 | MA | Worcester County | 42.6°,-71.9° | COOP | 1906-06-01 | 2009-11-23 | D M N | |
| Ashburnham North | 190192 | MA | Worcester County | 42.7°,-71.9° | COOP | 2003-10-01 | 2009-11-23 | D M | |
| Ashdown 4 Sse | 030286 | Ashdown | AR | Little River County | 33.6°,-94.1° | COOP | 1893-04-01 | 2009-11-23 | D M N |
| Ashe County Airport | KGEV | Jefferson | NC | Ashe County | 36.4°,-81.4° | AWOS | 2000-12-13 | 2009-11-23 | H D M |
| Asheboro 2.2 SSE | NC-RN-1 | Asheboro | NC | Randolph County | 35.7°,-79.8° | CoCoRaHS | 2008-05-03 | 2009-11-23 | D M |
| Asheboro Municipal Airport | KHBI | Asheboro | NC | Randolph County | 35.7°,-79.9° | AWOS | 2000-12-13 | 2009-11-23 | H D M |
| Asheville 13 S | 0255BC | Asheville | NC | Buncombe | 35.4°,-82.6° | USCRN | 2000-11-14 | 2009-11-23 | H D M |
| Asheville 4.0 NNE | NC-BC-21 | Asheville | NC | Buncombe County | 35.6°,-82.5° | CoCoRaHS | 2008-09-25 | 2009-11-23 | D M |
| Asheville 5.6 NNW | NC-BC-1 | Asheville | NC | Buncombe County | 35.7°,-82.6° | CoCoRaHS | 2007-08-05 | 2009-11-23 | D M |
| Asheville 5.7 NNW | NC-BC-3 | Asheville | NC | Buncombe County | 35.7°,-82.6° | CoCoRaHS | 2007-09-01 | 2009-11-23 | D M |
| Asheville 8 SSW | 0246CA | Asheville | NC | Buncombe | 35.5°,-82.6° | USCRN | 2000-11-14 | 2009-11-23 | H D M |
| Asheville Regional Airport | KAVL | Asheville | NC | Buncombe County | 35.4°,-82.5° | ASOS | 1948-01-01 | 2009-11-23 | H D M |
| Ashfield | 190213 | MA | Franklin County | 42.5°,-72.9° | COOP | 1978-04-01 | 2009-11-23 | D M N | |
| Ashland | 440327 | Ashland | VA | Hanover County | 37.8°,-77.5° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Ashland | 140365 | Ashland | KS | Clark County | 37.2°,-99.8° | COOP | 1900-01-01 | 2009-11-23 | D M N |
| Ashland | 150254 | Ashland | KY | Boyd County | 38.5°,-82.6° | COOP | 1896-01-01 | 2009-11-23 | D M N |
| Ashland | 220290 | Ashland | MS | Benton County | 34.8°,-89.2° | COOP | 1942-10-01 | 2009-11-23 | D M N |
| Ashland | 350304 | Ashland | OR | Jackson County | 42.2°,-122.7° | COOP | 1892-07-01 | 2009-11-23 | D M N |
| ASHLAND 2 E | 010369 | AL | CLAY | 33.3°,-84.2° | COOP | 1940-03-01 | 2009-11-23 | D M N | |
| Ashland 3s | 470347 | Ashland | WI | Ashland County | 46.6°,-90.9° | COOP | 1998-07-01 | 2009-11-23 | D M |
| Ashley | 320382 | Ashley | ND | Mcintosh County | 46°,-99.4° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Aspermont | 410394 | TX | Stonewall County | 33.2°,-100.2° | COOP | 1911-07-01 | 2009-11-23 | D M N | |
| Assateague Island | MASS | Girdletree | MD | Worcester County | 38.1°,-75.2° | RAWS | 1993-05-24 | 2009-11-23 | H D M |
| Astoria 4s | 390422 | Astoria | SD | Brookings County | 44.5°,-96.5° | COOP | 1994-06-01 | 2009-11-23 | D M |
| Atchison | 140405 | Atchison | KS | Atchison County | 39.6°,-95.1° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Athens | 400284 | Athens | TN | McMinn County | 35.4°,-84.6° | COOP | 1962-03-14 | 2009-11-23 | D M N |
| Athens | GATH | Watkinsville | GA | Clarke County | 33.9°,-83.4° | RAWS | 2003-02-20 | 2009-11-23 | H D M |
| Athens | 030300 | AR | Howard County | 34.3°,-94° | COOP | 1948-06-05 | 2009-11-23 | D M N | |
| Athens | 410404 | Athens | TX | Henderson County | 32.2°,-95.8° | COOP | 1903-12-01 | 2009-11-23 | D M N |
| Athens 0.6 ENE | GA-CK-12 | Athens | GA | Clarke County | 34°,-83.4° | CoCoRaHS | 2008-05-24 | 2009-11-23 | D M |
| Athens 1 N | 330279 | Athens | OH | Athens County | 39.3°,-82.1° | COOP | 1948-05-01 | 2009-11-23 | D M N |
| Athens 2.9 E | CHARM_205 | Athens | AL | Limestone County | 34.8°,-86.9° | CoCoRaHS | 2009-01-05 | 2009-11-23 | D M |
| Athens 2n | 110305 | Athens | IL | Menard County | 40°,-89.7° | COOP | 2000-04-08 | 2009-11-23 | D M |
| Athens 2sw | 110306 | Athens | IL | Menard County | 39.9°,-89.8° | COOP | 2000-01-01 | 2009-11-23 | D M |
| Athens 3.7 NNE | GA-CK-1 | Athens | GA | Clarke County | 34°,-83.4° | CoCoRaHS | 2008-03-29 | 2009-11-23 | D M |
| Athens 3.9 NW | AL-LS-9 | Athens | AL | Limestone County | 34.8°,-87° | CoCoRaHS | 2007-12-01 | 2009-11-23 | D M |
| Athens 4.3 W | AL-LS-3 | Athens | AL | Limestone County | 34.8°,-87° | CoCoRaHS | 2007-12-06 | 2009-11-23 | D M |
| Athens 4.4 SSW | GA-OC-2 | Athens | GA | Oconee County | 33.9°,-83.4° | CoCoRaHS | 2008-05-17 | 2009-11-23 | D M |
| Athens 4.6 SE | GA-CK-6 | Athens | GA | Clarke County | 33.9°,-83.3° | CoCoRaHS | 2008-04-09 | 2009-11-23 | D M |
| Athens 4.7 NNW | GA-JC-12 | Athens | GA | Jackson County | 34°,-83.4° | CoCoRaHS | 2009-04-01 | 2009-11-23 | D M |
| Athens 4.9 NNW | AL-LS-10 | Athens | AL | Limestone County | 34.8°,-87° | CoCoRaHS | 2007-11-02 | 2009-11-23 | D M |
| Athens 5.3 SE | GA-CK-3 | Athens | GA | Clarke County | 33.9°,-83.3° | CoCoRaHS | 2008-05-23 | 2009-11-23 | D M |
| Athens 5.4 E | CHARM_175 | Athens | AL | Limestone County | 34.8°,-86.9° | CoCoRaHS | 2007-10-19 | 2009-11-23 | D M |
| Athens Municipal Airport | KAHN | Athens | GA | Clarke County | 33.9°,-83.3° | ASOS | 1955-09-01 | 2009-11-23 | H D M |
| Atlanta | 410408 | Atlanta | TX | Cass County | 33.1°,-94.2° | COOP | 1930-09-01 | 2009-11-23 | D M N |
| Atlanta 1sw | 200342 | Atlanta | MI | Montmorency County | 45°,-84.2° | COOP | 2005-02-01 | 2009-11-23 | D M |
| Atlanta Bolton | 090444 | Vinings | GA | Cobb County | 33.8°,-84.5° | COOP | 1956-03-01 | 2009-11-23 | D M N |
| Atlantic City | 280325 | Atlantic City | NJ | Atlantic County | 39.4°,-74.4° | COOP | 1948-01-01 | 2009-11-23 | D M N |
| Atmore | 010402 | Atmore | AL | Escambia County | 31.2°,-87.4° | COOP | 1940-03-27 | 2009-11-23 | D M N |
| Atoka 1.9 S | TN-TP-2 | Atoka | TN | Tipton County | 35.4°,-89.8° | CoCoRaHS | 2007-11-27 | 2009-11-23 | D M |
| Auburn | 040383 | Auburn | CA | Placer County | 38.9°,-121.1° | COOP | 1905-01-01 | 2009-11-23 | D M N |
| Auburn | 300321 | NY | Cayuga County | 42.9°,-76.5° | COOP | 1897-08-22 | 2009-11-23 | D M N | |
| Auburn 0.6 ENE | AL-LE-4 | Auburn | AL | Lee County | 32.6°,-85.5° | CoCoRaHS | 2008-01-26 | 2009-11-23 | D M |
| Auburn 1.9 SSW | AL-LE-10 | Auburn | AL | Lee County | 32.6°,-85.5° | CoCoRaHS | 2009-11-07 | 2009-11-23 | D M |
| Auburn 2ne | 200361 | Auburn | MI | Bay County | 43.6°,-84° | COOP | 2004-09-21 | 2009-11-23 | D M |
| Auburn 5 Ese | 250435 | NE | Nemaha County | 40.4°,-95.7° | COOP | 1893-01-01 | 2009-11-23 | D M N | |
| Auburn Opelika Ap | KAUO | Auburn | AL | Lee | 32.6°,-85.4° | AWOS | 2002-09-01 | 2009-11-23 | H D M |
| Audubon | 130385 | Audubon | IA | Audubon County | 41.7°,-94.9° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Augusta | 030326 | Augusta | AR | Woodruff County | 35.3°,-91.4° | COOP | 1943-12-01 | 2009-11-23 | D M N |
| Augusta Rs | 470382 | Augusta | WI | Eau Claire County | 44.7°,-91.1° | COOP | 2003-03-01 | 2009-11-23 | D M |
| Auke Bay | 500464 | Auke Bay | AK | Juneau County | 58.4°,-134.6° | COOP | 1963-02-01 | 2009-11-23 | D M N |
| Aurora 6 N | 310375 | Aurora | NC | Beaufort County | 35.4°,-76.8° | COOP | 1973-01-01 | 2009-11-23 | D M N |
| Aurora Rsch Farm | 300331 | Aurora | NY | Cayuga County | 42.7°,-76.7° | COOP | 1956-11-01 | 2009-11-23 | D M N |
| Austin 8sse | 410431 | Austin | TX | Travis County | 30.2°,-97.7° | COOP | 2004-02-01 | 2009-11-23 | D M |
| Austin Waste Water Trtmt Fac | 210355 | MN | Mower County | 43.7°,-93° | COOP | 1937-04-01 | 2009-11-23 | D M N | |
| Ava 6w | 230360 | Ava | MO | Douglas County | 37°,-92.8° | COOP | 2006-07-20 | 2009-11-23 | D M |
| Avon | 300343 | Avon | NY | Livingston County | 42.9°,-77.8° | COOP | 1895-09-01 | 2009-11-23 | D M N |
| Avon Park 2 W | 080369 | Avon Park | FL | Highlands County | 27.6°,-81.5° | COOP | 1892-04-01 | 2009-11-23 | D M N |
| Avondale Estates 1.0 NE | GA-DK-17 | Avondale Estates | GA | DeKalb County | 33.8°,-84.3° | CoCoRaHS | 2009-06-01 | 2009-11-23 | D M |
| Axtell | 140471 | Axtell | KS | Marshall County | 39.9°,-96.3° | COOP | 1953-09-01 | 2009-11-23 | D M N |
| Ayden 1.7 ESE | NC-PT-4 | Ayden | NC | Pitt County | 35.5°,-77.4° | CoCoRaHS | 2007-09-21 | 2009-11-23 | D M |
| Back Bay | VBAC | Virginia Beach | VA | Virginia Beach County | 36.7°,-75.9° | RAWS | 1997-02-02 | 2009-11-23 | H D M |
| Back Island | NBAC | Holly Ridge | NC | Pender County | 34.5°,-77.7° | RAWS | 2002-05-22 | 2009-11-23 | H D M |
| Bad Axe | 200417 | MI | Huron County | 43.8°,-83° | COOP | 1887-11-01 | 2009-11-23 | D M N | |
| Bagdad | 020586 | AZ | Yavapai County | 34.6°,-113.2° | COOP | 1925-05-01 | 2009-11-23 | D M N | |
| Bailey | 050454 | Bailey | CO | Park County | 39.4°,-105.5° | COOP | 1901-04-01 | 2009-11-23 | D M N |
| Baileyton 1.0 NW | TN-GN-9 | Baileyton | TN | Greene County | 36.3°,-82.8° | CoCoRaHS | 2008-08-21 | 2009-11-23 | D M |
| Baileyville | 140482 | KS | Nemaha County | 39.8°,-95.8° | COOP | 2000-01-23 | 2009-11-23 | D M | |
| Bainbridge Decatur Ap | KBGE | Bainbridge | GA | Decatur | 31°,-84.6° | AWOS | 2002-06-03 | 2009-11-23 | H D M |
| Baker | 040436 | CA | San Bernardino County | 35.3°,-116.1° | COOP | 1971-12-01 | 2009-11-23 | D M N | |
| Bakersfield | 410482 | Bakersfield | TX | Pecos County | 30.9°,-102.3° | COOP | 1942-01-01 | 2009-11-23 | D M N |
| Bakersfield 5 Nw | 040444 | Bakersfield | CA | Kern County | 35.4°,-119.1° | COOP | 1999-01-01 | 2009-11-23 | D M |
| Bakersville | 060227 | CT | Litchfield County | 41.8°,-73° | COOP | 1948-06-02 | 2009-11-23 | D M N | |
| Bakersville 2.5 SE | NC-ML-2 | Bakersville | NC | Mitchell County | 36°,-82.1° | CoCoRaHS | 2007-10-01 | 2009-11-23 | D M |
| Bakersville 5.4 N | NC-ML-1 | Bakersville | NC | Mitchell County | 36.1°,-82.2° | CoCoRaHS | 2007-12-06 | 2009-11-23 | D M |
| Balch Pwr House | 040449 | CA | Fresno County | 36.9°,-119.1° | COOP | 1950-02-01 | 2009-11-23 | D M N | |
| Baldwin | 200446 | Baldwin | MI | Lake County | 43.9°,-85.9° | COOP | 1896-08-01 | 2009-11-23 | D M N |
| Baldwin | 470486 | Baldwin | WI | St. Croix County | 45°,-92.4° | COOP | 1947-10-01 | 2009-11-23 | D M N |
| Baldwin 1.4 ESE | GA-BN-1 | Baldwin | GA | Banks County | 34.5°,-83.5° | CoCoRaHS | 2008-03-29 | 2009-11-23 | D M |
| Baldwyn | 220378 | Baldwyn | MS | Prentiss County | 34.5°,-88.6° | COOP | 1940-02-01 | 2009-11-23 | D M N |
| Ball Ground | 090603 | Waleska | GA | Cherokee County | 34.3°,-84.5° | COOP | 1947-03-20 | 2009-11-23 | D M N |
| Ball Mtn Lake | 430277 | VT | Windham County | 43.1°,-72.8° | COOP | 1969-05-01 | 2009-11-23 | D M N | |
| Ballantine | 240432 | Ballantine | MT | Yellowstone County | 45.9°,-108.1° | COOP | 1919-04-01 | 2009-11-23 | D M N |
| Ballinger 2 Nw | 410493 | TX | Runnels County | 31.7°,-100° | COOP | 1897-01-01 | 2009-11-23 | D M N | |
| Baltimore Washington International | KBWI | Baltimore | MD | Anne Arundel County | 39.2°,-76.7° | ASOS | 1996-11-01 | 2009-11-23 | H D M |
| Bamberg | 380448 | Bamberg | SC | Bamberg County | 33.3°,-81° | COOP | 1951-08-01 | 2009-11-23 | D M N |
| Bandon 2 Nne | 350471 | Bandon | OR | Coos County | 43.1°,-124.4° | COOP | 1897-06-07 | 2009-11-23 | D M N |
| Bankhead L&d | 010505 | AL | Tuscaloosa County | 33.5°,-87.4° | COOP | 1930-08-25 | 2009-11-23 | D M N | |
| Banner Elk | 310506 | Banner Elk | NC | Avery County | 36.2°,-81.9° | COOP | 1907-09-01 | 2009-11-23 | D M N |
| Baraboo | 470516 | Baraboo | WI | Sauk County | 43.5°,-89.7° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Barbourville | 150381 | Barbourville | KY | Knox County | 36.9°,-83.9° | COOP | 1936-06-01 | 2009-11-23 | D M N |
| Bardwell Dam | 410518 | Bardwell | TX | Ellis County | 32.3°,-96.6° | COOP | 1965-04-01 | 2009-11-23 | D M N |
| Bark River 11sse | 200520 | Bark River | MI | Delta County | 45.6°,-87.3° | COOP | 2007-12-21 | 2009-11-23 | D M |
| Barnard | 170398 | ME | Piscataquis County | 45.3°,-69.1° | COOP | 1990-05-01 | 2009-11-23 | D M N | |
| Barnard 7w | 140535 | Barnard | KS | Lincoln County | 39.2°,-98.2° | COOP | 2004-12-01 | 2009-11-23 | D M |
| Barnes | 360409 | PA | Warren County | 41.7°,-79° | COOP | 1940-12-07 | 2009-11-23 | D M N | |
| Barnstead 5n | 270315 | NH | Belknap County | 43.4°,-71.3° | COOP | 2000-01-01 | 2009-11-23 | D M | |
| Barnwell Regional Airport | KBNL | Barnwell | SC | Barnwell County | 33.3°,-81.4° | AWOS | 2008-12-17 | 2009-11-23 | H D M |
| Barre Falls Dam | 190408 | Barre | MA | Worcester County | 42.4°,-72° | COOP | 1959-02-01 | 2009-11-23 | D M N |
| Barren River Lake | 150422 | KY | Allen County | 36.9°,-86.1° | COOP | 1963-07-01 | 2009-11-23 | D M N | |
| Barrington 3sw | 110442 | IL | Cook County | 42.1°,-88.2° | COOP | 1962-11-01 | 2009-11-23 | D M N | |
| Bartlesville 3 | 340546 | Bartlesville | OK | Osage County | 36.8°,-96° | COOP | 2000-01-28 | 2009-11-23 | D M |
| Bartlett 1.0 WNW | TN-SH-1 | Bartlett | TN | Shelby County | 35.2°,-89.9° | CoCoRaHS | 2007-04-01 | 2009-11-23 | D M |
| Bartlett 3.6 N | TN-SH-10 | Bartlett | TN | Shelby County | 35.3°,-89.8° | CoCoRaHS | 2008-06-15 | 2009-11-23 | D M |
| Bartow 1s | 460509 | WV | Pocahontas County | 38.5°,-79.8° | COOP | 1944-01-01 | 2009-11-23 | D M N | |
| Bastrop | 160537 | Bastrop | LA | Morehouse County | 32.8°,-92° | COOP | 1893-12-01 | 2009-11-23 | D M N |
| Batavia | 300443 | Batavia | NY | Genesee County | 43°,-78.2° | COOP | 1911-06-10 | 2009-11-23 | D M N |
| Batesburg | 380506 | Batesburg-Leesville | SC | Lexington County | 33.9°,-81.5° | COOP | 1894-05-01 | 2009-11-23 | D M N |
| Batesville 2 Sw | 220488 | Batesville | MS | Panola County | 34.3°,-90° | COOP | 1891-02-01 | 2009-11-23 | D M N |
| Batesville L&d 1 | 030460 | Batesville | AR | Independence County | 35.8°,-91.6° | COOP | 1904-07-26 | 2009-11-23 | D M N |
| Batesville Livestock | 030458 | Batesville | AR | Independence County | 35.8°,-91.8° | COOP | 1941-07-01 | 2009-11-23 | D M N |
| Bath | 170409 | Bath | ME | Sagadahoc County | 43.9°,-69.9° | COOP | 1992-12-01 | 2009-11-23 | D M |
| Baton Rouge Concord | 160548 | Baton Rouge | LA | East Baton Rouge County | 30.4°,-91.1° | COOP | 1986-01-01 | 2009-11-23 | D M N |
| Baton Rouge Sherwood | 160558 | LA | East Baton Rouge County | 30.4°,-91° | COOP | 1979-07-01 | 2009-11-23 | D M N | |
| Battiest | 340567 | OK | Mccurtain County | 34.4°,-94.9° | COOP | 1985-05-12 | 2009-11-23 | D M N | |
| Baxley | GBAX | Baxley | GA | Appling County | 31.7°,-82.4° | RAWS | 2003-02-20 | 2009-11-23 | H D M |
| Baxley 5nnw | 090670 | Baxley | GA | Appling County | 31.8°,-82.4° | COOP | 2004-06-01 | 2009-11-23 | D M |
| Baxter | 150450 | Harlan | KY | Harlan County | 36.9°,-83.3° | COOP | 1948-08-01 | 2009-11-23 | D M N |
| Bay Minette | 010583 | Bay Minette | AL | Baldwin County | 30.9°,-87.8° | COOP | 1913-11-01 | 2009-11-23 | D M N |
| Bay Springs | 220523 | Bay Springs | MS | Jasper County | 32°,-89.3° | COOP | 1912-04-01 | 2009-11-23 | D M N |
| Bayard | 460527 | Bayard | WV | Grant County | 39.3°,-79.4° | COOP | 1902-05-01 | 2009-11-23 | D M N |
| Bayou Sorrel Lock | 160565 | Bayou Sorrel | LA | Iberville County | 30.1°,-91.3° | COOP | 1969-10-01 | 2009-11-23 | D M N |
| Bayview Model Basin | 100667 | Bayview | ID | Kootenai County | 48°,-116.6° | COOP | 1947-04-01 | 2009-11-23 | D M N |
| Beaconsfield | 130536 | IA | Ringgold County | 40.8°,-94° | COOP | 1951-05-09 | 2009-11-23 | D M N | |
| Bear Lake Sp | 420487 | UT | Rich County | 42°,-111.4° | COOP | 1989-04-01 | 2009-11-23 | D M N | |
| Beardstown | 110492 | Beardstown | IL | Cass County | 40°,-90.4° | COOP | 1896-01-01 | 2009-11-23 | D M N |
| Bearwallow Mountain | BEAR | Hendersonville | NC | Henderson County | 35.5°,-82.4° | ECONET | 2000-07-27 | 2009-11-23 | H D M |
| Beatrice 1n | 250622 | Beatrice | NE | Gage County | 40.3°,-96.8° | COOP | 1984-11-01 | 2009-11-23 | D M N |
| Beaufort | 56483 | Beaufort | NC | Carteret County | 34.7°,-76.7° | NOS | 2005-09-14 | 2009-11-23 | H D M |
| Beaufort | NBFT | River Road | NC | Beaufort County | 35.5°,-76.9° | RAWS | 2003-01-06 | 2009-11-23 | H D M |
| Beaufort MCAS | KNBC | Beaufort | SC | Beaufort County | 32.5°,-80.7° | AWOS | 1957-10-01 | 2009-11-23 | H D M |
| Beaufort Smith Field | KMRH | Beaufort | NC | Carteret County | 34.7°,-76.7° | ASOS | 2000-01-25 | 2009-11-23 | H D M |
| Beaumont #2 | 040609 | Beaumont | CA | Riverside County | 33.9°,-117° | COOP | 1939-08-01 | 2009-11-23 | D M N |
| Beaumont City | 410611 | Beaumont | TX | Jefferson County | 30.1°,-94.1° | COOP | 1901-11-01 | 2009-11-23 | D M N |
| Beaumont Rsch Ctr | 410613 | TX | Jefferson County | 30.1°,-94.3° | COOP | 1947-09-20 | 2009-11-23 | D M N | |
| Beaver | 340593 | Beaver | OK | Beaver County | 36.8°,-100.5° | COOP | 1896-02-01 | 2009-11-23 | D M N |
| Beaver Bay 5sw | 210564 | Beaver Bay | MN | Lake County | 47.2°,-91.4° | COOP | 2003-09-18 | 2009-11-23 | D M |
| Beaver Dam | 020672 | AZ | Mohave County | 36.9°,-113.9° | COOP | 1951-10-22 | 2009-11-23 | D M N | |
| Beaver Dam | 470645 | Beaver Dam | WI | Dodge County | 43.4°,-88.8° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Beckley Va Hospital | 460580 | Mabscott | WV | Raleigh County | 37.8°,-81.2° | COOP | 1893-12-01 | 2009-11-23 | D M N |
| Bedford | 130576 | Bedford | IA | Taylor County | 40.7°,-94.7° | COOP | 1898-09-21 | 2009-11-23 | D M N |
| Bedford 4 NW | 440561 | Bedford | VA | Bedford County | 37.4°,-79.6° | COOP | 2000-01-01 | 2009-11-23 | D M |
| Bee Mountain | VBEE | Bee Mountain | WV | Kanawha County | 38.2°,-81.6° | RAWS | 2004-12-05 | 2009-11-23 | H D M |
| Beech Mountain | 310645 | Beech Mountain | NC | Avery County | 36.2°,-81.9° | COOP | 2000-01-01 | 2009-11-23 | D M |
| Beecher City | 110500 | Beecher City | IL | Effingham County | 39.2°,-88.8° | COOP | 1974-09-01 | 2009-11-23 | D M N |
| Beersheba Springs 1.2 ENE | TN-GY-5 | Beersheba Springs | TN | Grundy County | 35.5°,-85.7° | CoCoRaHS | 2007-11-13 | 2009-11-23 | D M |
| Beersheba Springs 2.1 ENE | TN-GY-2 | Beersheba Springs | TN | Grundy County | 35.5°,-85.6° | CoCoRaHS | 2007-04-04 | 2009-11-23 | D M |
| Beeville 5 Ne | 410639 | Beeville | TX | Bee County | 28.5°,-97.7° | COOP | 1894-07-07 | 2009-11-23 | D M N |
| Bel Air 1.7 W | MD-HR-11 | Bel Air | MD | Harford County | 39.5°,-76.4° | CoCoRaHS | 2007-06-04 | 2009-11-23 | D M |
| Belington | 460633 | Belington | WV | Barbour County | 39°,-79.9° | COOP | 1938-03-01 | 2009-11-23 | D M N |
| Bell Buckle 2.0 SE | TN-BF-4 | Bell Buckle | TN | Bedford County | 35.6°,-86.3° | CoCoRaHS | 2007-04-11 | 2009-11-23 | D M |
| Belle Meade 5.3 WSW | TN-DV-50 | Belle Meade | TN | Davidson County | 36.1°,-86.9° | CoCoRaHS | 2007-07-02 | 2009-11-23 | D M |
| BELLE MINA 2 N | 010655 | AL | LIMESTONE | 34.7°,-85.1° | COOP | 1949-01-01 | 2009-11-23 | D M N | |
| Bellefontaine | 330563 | Bellefontaine | OH | Logan County | 40.4°,-83.8° | COOP | 1894-01-01 | 2009-11-23 | D M N |
| Bellemont Wfo | 020678 | Bellemont | AZ | Coconino County | 35.2°,-111.8° | COOP | 1999-11-01 | 2009-11-23 | D M |
| Belleview 4 Se | 230542 | Belleview | MO | Iron County | 37.6°,-90.7° | COOP | 2008-01-01 | 2009-11-23 | D M |
| Belleville Siu Rsch | 110510 | IL | St. Clair County | 38.5°,-89.8° | COOP | 1948-06-01 | 2009-11-23 | D M N | |
| Bellevue 0.3 NNE | MD-TB-7 | Bellevue | MD | Talbot County | 38.7°,-76.2° | CoCoRaHS | 2007-07-29 | 2009-11-23 | D M |
| Bellville 2.8 N | GA-EV-1 | Bellville | GA | Evans County | 32.2°,-82° | CoCoRaHS | 2008-04-01 | 2009-11-23 | D M |
| Bellville 6 Nne | 410655 | Bellville | TX | Austin County | 30°,-96.2° | COOP | 1978-11-01 | 2009-11-23 | D M N |
| Belmont 0.4 E | NC-GS-9 | Belmont | NC | Gaston County | 35.2°,-81° | CoCoRaHS | 2009-09-20 | 2009-11-23 | D M |
| Belmont 2 Sse | 220656 | MS | Tishomingo County | 34.5°,-88.2° | COOP | 1948-07-01 | 2009-11-23 | D M N | |
| Beloit | 140693 | Beloit | KS | Mitchell County | 39.5°,-98.1° | COOP | 1893-03-01 | 2009-11-23 | D M N |
| Beloit | 470696 | Beloit | WI | Rock County | 42.5°,-89° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Beltzville Dam | 360560 | PA | Carbon County | 40.9°,-75.6° | COOP | 1971-09-01 | 2009-11-23 | D M N | |
| Belvidere | 110583 | Belvidere | IL | Boone County | 42.3°,-88.9° | COOP | 1941-01-01 | 2009-11-23 | D M |
| Belvidere Brg | 280734 | Belvidere | NJ | Warren County | 40.8°,-75.1° | COOP | 1982-04-01 | 2009-11-23 | D M N |
| Belzoni | 220660 | Belzoni | MS | Humphreys County | 33.2°,-90.5° | COOP | 1930-04-10 | 2009-11-23 | D M N |
| Bend | 350694 | Bend | OR | Deschutes County | 44.1°,-121.3° | COOP | 1901-04-01 | 2009-11-23 | D M N |
| Bengal 2 Nnw | 340670 | OK | Latimer County | 34.9°,-95.1° | COOP | 1900-06-01 | 2009-11-23 | D M | |
| Benkelman | 250760 | Benkelman | NE | Dundy County | 40.1°,-101.5° | COOP | 1894-11-01 | 2009-11-23 | D M N |
| Bennettsville | 380635 | Bennettsville | SC | Marlboro County | 34.6°,-79.7° | COOP | 1902-08-01 | 2009-11-23 | D M |
| Bennington 3wsw | 250781 | NE | Douglas County | 41.4°,-96.2° | COOP | 1978-06-01 | 2009-11-23 | D M N | |
| Bent Creek | 310724 | Asheville | NC | Buncombe County | 35.5°,-82.6° | COOP | 1949-01-01 | 2009-11-23 | D M N |
| Bentley | 110598 | IL | Hancock County | 40.3°,-91.1° | COOP | 1948-06-01 | 2009-11-23 | D M N | |
| Benton 3 Ne | 360582 | Benton | PA | Columbia County | 41.2°,-76.3° | COOP | 2000-12-08 | 2009-11-23 | D M |
| Benton 5 Sw | 270681 | NH | Grafton County | 44°,-71.9° | COOP | 1965-01-01 | 2009-11-23 | D M N | |
| Benton 5e | 160718 | Benton | LA | Bossier County | 32.7°,-93.7° | COOP | 1998-03-01 | 2009-11-23 | D M |
| Berea 8.5 ENE | KY-MN-3 | Berea | KY | Madison County | 37.6°,-84.1° | CoCoRaHS | 2008-11-24 | 2009-11-23 | D M |
| Berkeley County Airport | KMKS | Moncks Corner | SC | Berkeley County | 33.2°,-80° | AWOS | 2009-01-15 | 2009-11-23 | H D M |
| Berlin | 270690 | Berlin | NH | Coos County | 44.4°,-71.2° | COOP | 1886-06-01 | 2009-11-23 | D M N |
| Berlin 0.2 ENE | MD-WR-2 | Berlin | MD | Worcester County | 38.3°,-75.2° | CoCoRaHS | 2007-07-23 | 2009-11-23 | D M |
| Berlin Wwtp | 470742 | Berlin | WI | Green Lake County | 44°,-88.9° | COOP | 2004-09-02 | 2009-11-23 | D M |
| Bern | 100803 | ID | Bear Lake County | 42.3°,-111.4° | COOP | 1992-03-01 | 2009-11-23 | D M | |
| Berry 3 Nw | 010748 | AL | Fayette County | 33.7°,-87.6° | COOP | 1940-02-28 | 2009-11-23 | D M | |
| Berryville 5 Nw | 030616 | AR | Carroll County | 36.4°,-93.6° | COOP | 1946-01-05 | 2009-11-23 | D M N | |
| Berwind | VBER | Berwing | WV | McDowell County | 37.3°,-81.7° | RAWS | 2004-12-05 | 2009-11-23 | H D M |
| Betatakin | 020750 | AZ | Navajo County | 36.7°,-110.5° | COOP | 1939-03-01 | 2009-11-23 | D M N | |
| Bethany | 230608 | Bethany | MO | Harrison County | 40.3°,-94° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Bethel 4 N | 430661 | Bethel | VT | Windsor County | 43.9°,-72.6° | COOP | 1958-05-01 | 2009-11-23 | D M N |
| Bethlehem 2 | 270706 | Bethlehem | NH | Grafton County | 44.3°,-71.7° | COOP | 1992-08-01 | 2009-11-23 | D M |
| Bethpage 1 S | 400669 | Bethpage | TN | Sumner County | 36.5°,-86.3° | COOP | 1953-07-01 | 2009-11-23 | D M N |
| Beulah | 350723 | Beulah | OR | Malheur County | 43.9°,-118.2° | COOP | 1893-01-01 | 2009-11-23 | D M N |
| Beulah (mpec) | 055795 | Beulah | CO | Pueblo County | 38°,-105° | COOP | 2008-01-31 | 2009-11-23 | D M |
| Beulah 7ssw | 200758 | Beulah | MI | Benzie County | 44.5°,-86.1° | COOP | 2000-04-02 | 2009-11-23 | D M |
| Beverly Stp | 330676 | OH | Washington County | 39.5°,-81.6° | COOP | 1905-02-05 | 2009-11-23 | D M | |
| Big Bend Rch Sp | 410764 | TX | Presidio County | 29.4°,-104° | COOP | 1995-02-01 | 2009-11-23 | D M | |
| Big Cypress | 080737 | FL | Hendry County | 26.3°,-81° | COOP | 2002-03-27 | 2009-11-23 | D M | |
| Big Falls Hydro | 470773 | WI | Rusk County | 45.6°,-91° | COOP | 1956-02-01 | 2009-11-23 | D M N | |
| Big Fork 1 Sse | 030664 | AR | Polk County | 34.5°,-94° | COOP | 1944-05-01 | 2009-11-23 | D M N | |
| Big Hill Lake | 140810 | KS | Labette County | 37.3°,-95.5° | COOP | 1998-11-01 | 2009-11-23 | D M | |
| Big Horn | 480680 | WY | Sheridan County | 44.7°,-107° | COOP | 1949-11-01 | 2009-11-23 | D M | |
| Big Lake 2 | 410779 | Big Lake | TX | Reagan County | 31.2°,-101.5° | COOP | 1963-08-14 | 2009-11-23 | D M N |
| Big Sandy | KBSN | Inez | KY | Martin County | 37.8°,-82.6° | RAWS | 2003-02-20 | 2009-11-23 | H D M |
| Big Sky 2wnw | 240775 | MT | Gallatin County | 45.3°,-111.3° | COOP | 1967-07-01 | 2009-11-23 | D M N | |
| Big South | TBIG | Helenwood | TN | Scott County | 36.5°,-84.7° | RAWS | 2000-10-16 | 2009-11-23 | H D M |
| Big Spring | 410786 | TX | Howard County | 32.2°,-101.5° | COOP | 1948-01-01 | 2009-11-23 | D M N | |
| Big Sur Stn | 040790 | Big Sur | CA | Monterey County | 36.2°,-121.8° | COOP | 1915-01-01 | 2009-11-23 | D M N |
| Big Water | 420688 | UT | Kane County | 37.1°,-111.7° | COOP | 1962-08-01 | 2009-11-23 | D M N | |
| Biglerville | 360656 | Biglerville | PA | Adams County | 39.9°,-77.3° | COOP | 1972-02-01 | 2009-11-23 | D M N |
| Billings | 340755 | Billings | OK | Noble County | 36.5°,-97.4° | COOP | 1914-01-01 | 2009-11-23 | D M N |
| Billings Wfo | 240801 | Billings | MT | Yellowstone County | 45.8°,-108.6° | COOP | 1999-02-01 | 2009-11-23 | D M |
| Billings Wtp | 240802 | MT | Yellowstone County | 45.8°,-108.5° | COOP | 1894-04-01 | 2009-11-23 | D M N | |
| Billy Creek | 480740 | WY | Johnson County | 44.1°,-106.7° | COOP | 1962-03-14 | 2009-11-23 | D M N | |
| Biloxi | 220792 | Biloxi | MS | Harrison County | 30.4°,-89° | COOP | 1893-05-01 | 2009-11-23 | D M N |
| Bingham Wyman Dam | 170600 | Bingham | ME | Somerset County | 45.1°,-69.9° | COOP | 1957-05-01 | 2009-11-23 | D M N |
| Birch Hill Dam | 190666 | MA | Worcester County | 42.6°,-72.1° | COOP | 1948-06-01 | 2009-11-23 | D M N | |
| Birmingham Municipal Ap | KBHM | Birmingham | AL | Jefferson | 33.6°,-86.7° | ASOS | 1998-09-01 | 2009-11-23 | H D M |
| Bisbee 1 Wnw | 020775 | Bisbee | AZ | Cochise County | 31.4°,-109.9° | COOP | 1985-03-01 | 2009-11-23 | D M N |
| Bishop | 410805 | Bishop | TX | Nueces County | 27.6°,-97.8° | COOP | 1934-10-01 | 2009-11-23 | D M |
| Bishopville 1 ENE | 380736 | Bishopville | SC | Lee County | 34.2°,-80.2° | COOP | 1933-04-22 | 2009-11-23 | D M N |
| Bishopville 3.1 E | MD-WR-4 | Bishopville | MD | Worcester County | 38.4°,-75.1° | CoCoRaHS | 2007-07-01 | 2009-11-23 | D M |
| Bison | 390701 | Bison | SD | Perkins County | 45.5°,-102.5° | COOP | 1916-05-01 | 2009-11-23 | D M N |
| Bitter Creek 4 Ne | 480761 | Bitter Creek | WY | Sweetwater County | 41.6°,-108.5° | COOP | 1962-09-14 | 2009-11-23 | D M N |
| Bitter Lakes Wr | 290992 | NM | Chaves County | 33.5°,-104.4° | COOP | 1950-12-01 | 2009-11-23 | D M N | |
| Black Canyon Gunnison | 050754 | CO | Montrose County | 38.6°,-107.7° | COOP | 2003-10-01 | 2009-11-23 | D M | |
| Black Mountain 2 W | 310843 | Black Mountain | NC | Buncombe County | 35.6°,-82.4° | COOP | 1949-10-01 | 2009-11-23 | D M N |
| Black River Falls Sewage | 470855 | Black River Falls | WI | Jackson County | 44.3°,-90.9° | COOP | 1893-01-01 | 2009-11-23 | D M |
| Blackfoot Fire Dept | 100915 | Blackfoot | ID | Bingham County | 43.2°,-112.4° | COOP | 1895-11-01 | 2009-11-23 | D M N |
| Blacksburg 5.0 W | VA-MN-9 | Blacksburg | VA | Montgomery County | 37.2°,-80.5° | CoCoRaHS | 2009-04-10 | 2009-11-23 | D M |
| Blacksburg Airport | KBCB | Blacksburg | VA | Montgomery County | 37.2°,-80.4° | AWOS | 2001-05-28 | 2009-11-23 | H D M |
| Blacksburg Nwso | 440766 | Merrimac | VA | Montgomery County | 37.2°,-80.4° | COOP | 1952-11-01 | 2009-11-23 | D M N |
| Blackwell | 340818 | Blackwell | OK | Kay County | 36.8°,-97.3° | COOP | 1953-05-01 | 2009-11-23 | D M N |
| Bladenboro 2.0 NNW | NC-BD-1 | Bladenboro | NC | Bladen County | 34.6°,-78.8° | CoCoRaHS | 2009-08-27 | 2009-11-23 | D M |
| Blaine | 450729 | Blaine | WA | Whatcom County | 49°,-122.8° | COOP | 1893-10-01 | 2009-11-23 | D M N |
| Blairsville 4.2 E | GA-UN-1 | Blairsville | GA | Union County | 34.9°,-83.9° | CoCoRaHS | 2008-03-27 | 2009-11-23 | D M |
| Blakely | 090979 | Blakely | GA | Early County | 31.4°,-85° | COOP | 1889-09-01 | 2009-11-23 | D M N |
| Blakely Mtn Dam | 030764 | AR | Garland County | 34.6°,-93.2° | COOP | 1950-05-01 | 2009-11-23 | D M N | |
| Blanca 4 Nw | 050776 | Blanca | CO | Costilla County | 37.5°,-105.6° | COOP | 1909-01-01 | 2009-11-23 | D M N |
| Blanchard 2 Ssw | 340830 | Blanchard | OK | Mcclain County | 35.1°,-97.7° | COOP | 1952-09-01 | 2009-11-23 | D M N |
| Blanchardville #2 | 470892 | WI | Lafayette County | 42.8°,-89.9° | COOP | 1954-01-01 | 2009-11-23 | D M N | |
| Blanco | 410832 | Blanco | TX | Blanco County | 30.1°,-98.4° | COOP | 1896-05-01 | 2009-11-23 | D M N |
| Bland | 440792 | Wytheville | VA | Bland County | 37.1°,-81.1° | COOP | 1944-02-01 | 2009-11-23 | D M N |
| Blanding | 420738 | Blanding | UT | San Juan County | 37.6°,-109.5° | COOP | 1904-11-26 | 2009-11-23 | D M N |
| Blashke Island | 500832 | AK | Wrangell-petersburg County | 56.1°,-132.9° | COOP | 2001-07-01 | 2009-11-23 | D M | |
| Blissfield 1 Sw | 200842 | Blissfield | MI | Lenawee County | 41.8°,-83.9° | COOP | 2001-07-03 | 2009-11-23 | D M |
| Bloomer | 470904 | Bloomer | WI | Chippewa County | 45.1°,-91.5° | COOP | 1944-08-28 | 2009-11-23 | D M N |
| Bloomfield | 250945 | Bloomfield | NE | Knox County | 42.6°,-97.6° | COOP | 1905-12-01 | 2009-11-23 | D M N |
| Bloomfield 1 Wnw | 130753 | Bloomfield | IA | Davis County | 40.8°,-92.4° | COOP | 1906-08-01 | 2009-11-23 | D M N |
| Bloomingburg 2 Sw | 300732 | NY | Sullivan County | 42.5°,-74.5° | COOP | 2000-01-01 | 2009-11-23 | D M | |
| Bloomingdale | 200864 | MI | Van Buren County | 42.4°,-86° | COOP | 1904-04-01 | 2009-11-23 | D M N | |
| Bloomington 5w | 110764 | Bloomington | IL | Mclean County | 40.5°,-89.1° | COOP | 1999-09-01 | 2009-11-23 | D M |
| Bloomington Wtr Wks | 110761 | Bloomington | IL | Mclean County | 40.5°,-89° | COOP | 1948-03-02 | 2009-11-23 | D M N |
| Blountsville 1.3 NW | AL-BL-6 | Blountsville | AL | Blount County | 34.1°,-86.6° | CoCoRaHS | 2007-11-05 | 2009-11-23 | D M |
| Blowing Rock 2.2 NE | NC-WT-10 | Blowing Rock | NC | Watauga County | 36.1°,-81.6° | CoCoRaHS | 2007-11-11 | 2009-11-23 | D M |
| Blowing Rock 2.8 ENE | NC-WT-1 | Blowing Rock | NC | Watauga County | 36.1°,-81.6° | CoCoRaHS | 2007-09-02 | 2009-11-23 | D M |
| Blowing Rock 4.4 NE | NC-WT-6 | Blowing Rock | NC | Watauga County | 36.2°,-81.6° | CoCoRaHS | 2007-09-27 | 2009-11-23 | D M |
| Blue Eagle Ranch | 260955 | NV | Nye County | 38.5°,-115.5° | COOP | 1978-04-01 | 2009-11-23 | D M N | |
| Blue Hill | 190736 | MA | Norfolk County | 42.2°,-71.1° | COOP | 1893-01-01 | 2009-11-23 | D M N | |
| Blue Hill 4 Sw | 250961 | Blue Hill | NE | Webster County | 40.3°,-98.5° | COOP | 1956-12-01 | 2009-11-23 | D M N |
| Blue Lick | 230747 | MO | Saline County | 39°,-93.2° | COOP | 1948-07-01 | 2009-11-23 | D M | |
| Blue Marsh Lake | 360785 | PA | Berks County | 40.4°,-76° | COOP | 1978-05-01 | 2009-11-23 | D M N | |
| Blue Mtn Dam | 030798 | AR | Yell County | 35.1°,-93.7° | COOP | 1939-09-01 | 2009-11-23 | D M N | |
| Blue Ridge 13.6 SSE | GA-GM-2 | Blue Ridge | GA | Gilmer County | 34.7°,-84.3° | CoCoRaHS | 2008-06-24 | 2009-11-23 | D M |
| Blue Ridge 9.4 WNW | GA-FN-1 | Blue Ridge | GA | Fannin County | 34.9°,-84.5° | CoCoRaHS | 2008-06-21 | 2009-11-23 | D M |
| Blue Ridge Rs | 020871 | AZ | Coconino County | 34.6°,-111.2° | COOP | 1965-07-01 | 2009-11-23 | D M N | |
| Blue Springs 2.0E | TN-HL-12 | Blue Springs 2.0 |