NWC -- Monthly Statistics by Hydrologic Basin

A separate index, organized by State, is available.

• 05062000 Buffalo River near Dilworth, Minnesota
• 05133500 Rainy River at Manitou Rapids, Minnesota
• 05082500 Red River of the North at Grand Forks, North Dakota
• 08010100 Harricana River at Amos, Quebec, Canada
• 04920200 Missinaibi River at Mattice, Ontario, Canada
• 05920300 English River at Umfreville, Ontario, Canada
• 05940100 Qu Appelle River at Lumsden, Saskatchwan, Canada
• 05950100 Bow River at Banff, Alberta, Canada

• 04040500 Sturgeon River near Sidnaw, Michigan
• 04112500 Red Cedar River at East Lansing, Michigan
• 04121500 Muskegon River at Evart, Michigan
• 04262500 West Branch Oswegatchie River near Harrisville, New York
• 04264331 St. Lawrence River at Cornwall, Ontario, near Messena, New York
• 04193500 Maumee River at Waterville, Ohio
• 04287000 Dog River at Northfield Falls, Vermont
• 04071000 Oconto River near Gillett, Wisconsin
• 04084500 Fox River at Rapide Croche Dam, near Wrightstown, Wisconsin
• 02160100 Matane River near Matane, Quebec, Canada
• 02920100 Saugeen River near Port Elgin, Ontario, Canada

• 01121000 Mount Hope River near Warrenville, Connecticut
• 01188000 Burlington Brook near Burlington, Connecticut
• 01193500 Salmon River near East Hampton, Connecticut
• 01204000 Pomperaug River at Southbury, Connecticut
• 01646502 Potomac River (adjusted) near Washington, District of Columbia
• 02226000 Altamaha River at Doctortown, Georgia
• 01031500 Piscataquis River near Dover-Foxcroft, Maine
• 01057000 Little Androscoggin River near South Paris, Miane
• 01014000 St. John River below Fish River at Fort Kent, Maine
• 01491000 Choptank River near Greensboro, Maryland
• 01645000 Seneca Creek at Dawsonville, Maryland
• 01173000 Ware River (adjusted) at Intake Works near Barre, Massachusetts
• 01076500 Pemigewasset River at Plymouth, New Hampshire
• 01396500 South Branch Raritan River near High Bridge, New Jersey
• 01411000 Great Egg Harbor River at Folsom, New Jersey
• 01463500 Delaware River at Trenton, New Jersey
• 01309500 Massapequa Creek at Massapequa, New York
• 01503000 Susquehanna River at Conklin, New York
• 01318500 Hudson River at Hadley, New York
• 01357500 Mohawk River at Cohoes, New York
• 02102000 Deep River at Moncure, North Carolina
• 02091500 Contentnea Creek at Hookerton, North Carolina
• 02118000 South Yadkin River near Mocksville, North Carolina
• 02105500 Cape Fear River at William O. Huske Lock near Tarheel, NC
• 01570500 Susquehanna River at Harrisburg, Pennsylvania
• 01117500 Pawcatuck River at Wood River Junction, Rhode Island
• 02132000 Lynches River at Effingham, South Carolina
• 02173500 North Fork Edisto River at Orangeburg, South Carolina
• 02131000 Pee Dee River at Peedee, South Carolina
• 02030500 Slate River near Arvonia, Virginia
• 02051500 Meherrin River near Lawrenceville, Virginia
• 01664000 Rappahannock River at Remington, Virginia
• 01610000 Potomac River at Paw Paw, West Virginia
• 01900100 Lepreau River at Lepreau, New Brunswick, Canada
• 01900200 Upsalquitch River at Upsalquitch, New Brunswick, Canada
• 01980100 St. Marys River at Stillwater, Nova Scotia, Canada
• 01980200 LaHave River at West Northfield, Nova Scotia, Canada
• 01980300 Northeast Margaree River at Margaree Valley, Nova Scotia, Canada

• 02371500 Conecuh River at Brantley, Alabama
• 02424000 Cahaba River at Centreville, Alabama
• 02467000 Tombigbee River at Demopolis Lock & Dam near Coatopa, Ala.
• 07363500 Saline River near Rye, Arkansas
• 02232500 St. Johns River near Christmas, Florida
• 02256500 Fisheating Creek at Palmdale, Florida
• 02296750 Peace River at Arcadia, Florida
• 02369000 Shoal River near Crestview, Florida
• 02320500 Suwannee River at Branford, Florida
• 02358000 Apalachicola River at Chattahoochee, Florida
• 02317500 Alapaha River at Statenville, Georgia
• 02347500 Flint River near Culloden, Georgia
• 02392000 Etowah River at Canton, Georgia
• 07352000 Saline Bayou near Lucky, Louisiana
• 07378500 Amite River near Denham Springs, Louisiana
• 08013500 Calcasieu River near Oberlin, Louisiana
• 02489500 Pearl River near Bogalusa, Louisiana
• 02479000 Pascagoula River at Merrill, Mississippi
• 07290000 Big Black River near Bovina, Mississippi
• 07289000 Mississippi River at Vicksburg, Mississippi
• 06934500 Missouri River at Hermann, Missouri
• 08033500 Neches River near Rockland, Texas
• 08167500 Guadalupe River near Spring Branch, Texas

• 05435500 Pecatonica River at Freeport, Illinois
• 05572000 Sangamon River at Monticello, Illinois
• 05446500 Rock River near Joslin, Illinois
• 05464500 Cedar River at Cedar Rapids, Iowa
• 05474500 Mississippi River at Keokuk, Iowa
• 05480500 Des Moines River at Fort Dodge, Iowa
• 05280000 Crow River at Rockford, Minnesota
• 05288500 Mississippi River near Anoka, Minnesota
• 05330000 Minnesota River near Jordan, Minnesota
• 05331000 Mississippi River at St. Paul, Minnesota
• 05362000 Jump River at Sheldon, Wisconsin
• 05365500 Chippewa River at Chippewa Falls, Wisconsin
• 05407000 Wisconsin River at Muscoda, Wisconsin

• 06710500 Bear Creek at Morrison, Colorado
• 06485500 Big Sioux River at Akron, Iowa
• 06810000 Nishnabotna River above Hamburg, Iowa
• 06867000 Saline River near Russell, Kansas
• 06884400 Little Blue River near Barnes, Kansas
• 06897500 Grand River near Gallatin, Missouri
• 06933500 Gasconade River at Jerome, Missouri
• 06099500 Marias River near Shelby, Montana
• 06191500 Yellowstone River at Corwin Springs, Montana
• 06214500 Yellowstone River at Billings, Montana
• 06454500 Niobrara River above Box Butte Reservoir, Nebraska
• 06800500 Elkhorn River at Waterloo, Nebraska
• 06354000 Cannonball River at Breien, North Dakota
• 06441500 Bad River near Fort Pierre, South Dakota
• 06298000 Tongue River near Dayton, Wyoming
• 06630000 North Platte River above Seminoe Reservoir near Sinclair, Wyoming

• 03574500 Paint Rock River near Woodville, Alabama
• 03380500 Skillet Fork at Wayne City, Illinois
• 03377500 Wabash River at Mount Carmel, Illinois
• 03326500 Mississinewa River at Marion, Indiana
• 03373500 East Fork White River at Shoals, Indiana
• 03253500 Licking River (adjusted) at Catawba, Kentucky
• 03308500 Green River at Munfordville, Kentucky
• 03294500 Ohio River at Louisville, Kentucky
• 03451500 French Broad River at Asheville, North Carolina
• 03109500 Little Beaver Creek near East Liverpool, Ohio
• 03234500 Scioto River at Higby, Ohio
• 03020500 Oil Creek at Rouseville, Pennsylvania
• 03079000 Casselman River at Markleton, Pennsylvania
• 03106000 Connoquenessing Creek near Zelienople, Pennsylvania
• 03049500 Allegheny River (adjusted) at Natrona, Pennsylvania
• 03085000 Monongahela River (adjusted) at Braddock, Pennsylvania
• 03434500 Harpeth River near Kingston Springs, Tennessee
• 03540500 Emory River at Oakdale, Tennessee
• 03604400 Buffalo River near Lobelville, Tennessee
• 03455000 French Broad River near Newport, Tennessee
• 03488000 North Fork Holston River near Saltville, Virginia
• 03183500 Greenbrier River at Alderson, West Virginia
• 03193000 Kanawha River at Kanawha Falls, West Virginia

• 07056000 Buffalo River near St. Joe, Arkansas
• 07146500 Arkansas River at Arkansas City, Kansas
• 08378500 Pecos River near Pecos, New Mexico
• 08408500 Delaware River near Red Bluff, New Mexico
• 08276500 Rio Grande below Taos Junction Bridge, near Taos, New Mexico
• 07331000 Washita River near Dickson, Oklahoma
• 08095000 North Bosque River near Clifton, Texas
• 08134000 North Concho River near Carlsbad, Texas

• 09415000 Virgin River at Littlefield, Arizona
• 09448500 Gila River at Head of Safford Valley near Solomon, Arizona
• 09471000 San Pedro River at Charleston, Arizona
• 09498500 Salt River near Roosevelt, Arizona
• 09508500 Verde River below Tangle Creek, above Horseshoe Dam, Arizona
• 09085000 Roaring Fork River at Glenwood Springs, Colorado
• 09361500 Animas River at Durango, Colorado
• 09304500 White River near Meeker, Colorado
• 09430500 Gila River near Gila, New Mexico
• 09180500 Colorado River near Cisco, Utah
• 09299500 Whiterocks River near Whiterocks, Utah
• 09315000 Green River at Green River, Utah
• 09379500 San Juan River near Bluff, Utah

• 10296000 West Walker River below Little Walker River, near Coleville, Ca.
• 10322500 Humboldt River at Palisade, Nevada
• 10128500 Weber River near Oakley, Utah
• 10172200 Red Butte Creek at Ft. Douglas near Salt Lake City Utah
• 10234500 Beaver River near Beaver, Utah

• 11098000 Arroyo Seco near Pasadena, California
• 11427000 North Fork American River at North Fork Dam, California
• 11532500 Smith River near Crescent City, California
• 11425500 Sacramento River at Verona, California
• 11264500 Merced River at Happy Isles Bridge, near Yosemite, California
• 14301500 Wilson River near Tillamook, Oregon
• 14321000 Umpqua River near Elkton, Oregon
• 14191000 Willamette River (adjusted) at Salem, Oregon
• 12027500 Chehalis River near Grand Mound, Washington
• 12134500 Skykomish River near Gold Bar, Washington
• 08960100 Skeena River at USK, British Columbia, Canada
• 08960600 Fraser River at Hope, British Columbia, Canada

• 13037500 Snake River (adjusted) near Heise, Idaho
• 13269000 Snake River at Weiser, Idaho
• 13317000 Salmon River at White Bird, Idaho
• 13342500 Clearwater River (adjusted) at Spalding, Idaho
• 12354500 Clark Fork at St. Regis, Montana
• 12358500 Middle Fork Flathead River near West Glacier, Montana
• 14046500 John Day River at Service Creek, Oregon
• 14105700 Columbia River (adjusted) at The Dalles, Oregon
• 12422500 Spokane River (adjusted) at Spokane, Washington

• 15258000 Kenai River at Cooper Landing, Alaska
• 15290000 Little Susitna River near Palmer, Alaska
• 15514000 Chena River at Fairbanks, Alaska
• 15515500 Tanana River at Nenana, Alaska

• 16068000 Eastbranch of North Fork Wailua River near Lihue, Kauai, Hawaii
• 16587000 Honopou Stream near Huelo, Maui, Hawaii
• 16700000 Waiakea Stream near Mountain View, Hawaii, Hawaii
• 16232000 Nuuanu Stream below reservoir 2 Wasteway, near Honolulu, Hawaii