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12502500-Ahtanum Creek@Union Gap-WA [1960]
12488500-American R nr Nile-WA [2002, 2005-2006T]
13330500-Bear Creek nr Wallowa-OR [1924-1999]
12344000-Bitterroot R nr Darby-MT [2002, 2002T]
12352500-Bitterroot R nr Missoula-MT [2002, 2002T]
12335100-Blackfoot R abv Nevada Cr nr Helmville-MT [2002, 2002-2011T]
12340000-Blackfoot R nr Bonner-MT [2002, 2002T]
12338300-Blackfoot R, NF, abv Dry Gulch nr Ovando-MT [2002, 2002-2009T]
14180300-Blowout Creek nr Detroit-OR [2002, 2002T]
14162200-Blue R@Blue River-OR [2002, 2002T]
14179000-Breitenbush R abv French Cr nr Detroit-OR [2002, 2002T]
14140000-Bull Run R nr Bull Run (river Only)-OR [2002, 2002-2007T]
14138900-Bull Run R, NF, nr Multnomah Falls-OR [2002, 2002T]
14139800-Bull Run R, SF, nr Bull Run-OR [2002, 2002T]
14138720-Bull Run R@Lower Flume nr Brightwood-OR [2002, 2002T]
12448000-Chewuch R@Winthrop-WA [1991, 2002-2002T]
12456500-Chiwawa R nr Plain-WA [1911]
14210000-Clackamas R@Estacada-OR [2002, 2002T]
12340500-Clark Fork abv Missoula-MT [2002, 2002-2008T]
12323800-Clark Fork nr Galen-MT [2002, 2002-2009T]
12324200-Clark Fork@Deer Lodge-MT [2002, 2002-2009T]
12354500-Clark Fork@St. Regis-MT [2002, 2002-2013T]
13341050-Clearwater R nr Peck-ID [1964, 1997T]
13340600-Clearwater R, NF, nr Canyon Ranger Station-ID [1967, 1997T]
13338500-Clearwater R, SF@Stites-ID [1964, 1998-2009T]
13340000-Clearwater R@Orofino-ID [1993, 1993T]
13342500-Clearwater R@Spalding-ID [1910, 1970T]
12413500-Coeur d'Alene R nr Cataldo-ID [1986]
12413250-Coeur d'Alene R, SF, (at Bunker Ave)@Kellogg-ID [2002-2006, 2002-2006T]
12413470-Coeur d'Alene R, SF, nr Pinehurst-ID [2002, 2002-2005T]
12413300-Coeur d'Alene R, SF@Smelterville-ID [2002-2006, 2002-2006T]
14246900-Columbia R @ Beaver Army Terminal nr Quincy-OR [2002, 2002-2004T]
12472800-Columbia R blw Priest Rapids Dam-WA [1917]
12462600-Columbia R blw Rock Island Dam-WA [1961-1999]
12436500-Columbia R@Grand Coulee-WA [1929-1999]
12399500-Columbia R@International Bounda-RY [1938]
12453700-Columbia R@Rocky Reach Dam-WA [1960-1999]
14105700-Columbia R@The Dalles-OR [1878, 1996T]
12409000-Colville R@Kettle Falls-WA [1932]
14092500-Deschutes R nr Madras-OR [1924, 1978T]
14103000-Deschutes R@Moody, nr Biggs-OR [1906, 1977T]
12452800-Entiat R nr Ardenvoir-WA [1957]
12452990-Entiat R nr Entiat-WA [1996]
14151000-Fall Creek blw Winberry Creek, nr Fall Creek-OR [2002, 2002T]
14138870-Fir Creek nr Brightwood-OR [2002, 2002T]
12355500-Flathead R, NF, nr Columbia Falls-MT [2002, 2002T]
12362500-Flathead R, SF, nr Columbia Falls-MT [2002, 2002T]
12363000-Flathead R@Columbia Falls-MT [2002, 2002T]
12388700-Flathead R@Perma-MT [2002, 2002T]
14179100-French Creek nr Detroit-OR [2002-2006, 2002-2005T]
13333000-Grande Ronde R@Troy-OR [1944]
13292000-Imnaha R@Imnaha-OR [1928-2013]
14048000-John Day R@Mcdonald Ferry-OR [1904, 1978-1981T]
14046500-John Day R@Service Creek-OR [1929]
14211550-Johnson Creek@Milwaukie-OR [2002, 2002T]
14211400-Johnson Creek@Regner Road@Gresham-OR [2002, 2002T]
14211500-Johnson Creek@Sycamore-OR [2002, 2002T]
13313000-Johnson Creek@Yellow Pine-ID [1928, 1998-2001T]
14211499-Kelley Creek@Se 159th Drive@Portland-OR [2002, 2002T]
12301933-Kootenai R blw Libby Dam nr Libby-MT [1971, 2001-2004T]
13305000-Lemhi R nr Lemhi-ID [1967, 1998-2005T]
12324590-Little Blackfoot R nr Garrison-MT [2002, 2002-2010T]
14182500-Little North Santiam R nr Mehama-OR [2002, 2002-2015T]
13316500-Little Salmon R@Riggins-ID [1940, 1998-2005T]
13337000-Lochsa R nr Lowell-ID [1929, 2015T]
13330000-Lostine R nr Lostine-OR [1995-2013]
14162500-Mckenzie R nr Vida-OR [2002, 2002T]
14163900-Mckenzie R nr Walterville-OR [2002, 2002-2006T]
14159200-Mckenzie R, SF, abv Cougar Lake nr Rainbow-OR [2002, 2002T]
14159500-Mckenzie R, SF, nr Rainbow-OR [2002, 2002T]
12447383-Methow R abv Goat Creek nr Mazama-WA [1991]
12449950-Methow R nr Pateros-WA [1959]
12448500-Methow R@Winthrop-WA [1912, 2002-2002T]
12306500-Moyie R@Eastport-ID [1929]
14178000-North Santiam R blw Boulder Crk, nr Detroit-OR [2002, 2002T]
14183000-North Santiam R@Mehama-OR [2002, 2002-2009T]
14181500-North Santiam R@Niagara-OR [2002, 2002T]
12445000-Okanogan R nr Tonasket-WA [1929, 1986T]
12447200-Okanogan R@Malott-WA [1965, 2005T]
12439500-Okanogan R@Oroville-WA [1942, 1986T]
13345000-Palouse R nr Potlatch-ID [1966, 2000-2003T]
13239000-Payette R, NF@Mccall-ID [1919, 1998-2003T]
12413445-Pine Creek blw Amy Gulch nr Pinehurst-ID [2002-2015, 2002-2015T]
12413360-Pine Creek, EF, abv Gilbert Cr nr Pinehurst-ID [2002-2013, 2002-2013T]
12413370-Pine Creek, EF, abv Nabob Cr nr Pinehurst-ID [2002, 2002T]
12395000-Priest R nr Priest River-ID [1929]
12334510-Rock Creek nr Clinton-MT [2002, 2002T]
13296500-Salmon R blw Yankee Fork nr Clayton-ID [1921]
13309220-Salmon R, MF@MF Lodge nr Yellow Pine-ID [1973]
13310199-Salmon R, MF@Mouth nr Shoup-ID [1993-1999]
13302500-Salmon R@Salmon-ID [1919, 1998-2005T]
13317000-Salmon R@White Bird-ID [1910, 2000T]
14189050-Santiam R nr Jefferson-OR [2002, 2002T]
13336500-Selway R nr Lowell-ID [1929]
13334300-Snake R nr Anatone-WA [1958, 1960T]
13069500-Snake R nr Blackfoot-ID [1994-2000, 1994-2000T]
13094000-Snake R nr Buhl-ID [1993-2000, 1993-2000T]
13037500-Snake R nr Heise-ID [1972-1999, 1996-1999T]
13090000-Snake R nr Kimberly-ID [1997-1999, 1997-1999T]
13081500-Snake R nr Minidoka (at Howells Ferry)-ID [1977-2000, 1993-2000T]
13172500-Snake R nr Murphy-ID [1997-2000, 1997-2000T]
13060000-Snake R nr Shelley-ID [2000-2000, 2000-2000T]
13290450-Snake R@Hells Canyon Dam-OR/ID [1965]
13213100-Snake R@Nyssa-OR [1974-2000, 1997-2000T]
13269000-Snake R@Weiser-ID [1910, 1999-2015T]
14187200-South Santiam R nr Foster-OR [2002, 2002T]
12422500-Spokane R@Spokane-WA [1891-2000]
12414500-St Joe R@Calder-ID [1920, 2000-2001T]
12370000-Swan R nr Bigfork-MT [2002, 2002-2004T]
12448998-Twisp R nr Twisp-WA [1975, 2001-2002T]
14020000-Umatilla R abv Meacham Creek, nr Gibbon-OR [1933]
14033500-Umatilla R nr Umatilla-OR [1903]
14020850-Umatilla R@W Reservation Bndy nr Pendleton-OR [1995]
12323770-Warm Springs Creek@Warm Springs-MT [2002, 2002T]
12462500-Wenatchee R@Monitor-WA [1962]
12459000-Wenatchee R@Peshastin-WA [1929]
12457000-Wenatchee R@Plain-WA [1910]
14152000-Willamette R, MF@Jasper-OR [2002, 2002T]
14174000-Willamette R@Albany-OR [1892, 2001T]
14166000-Willamette R@Harrisburg-OR [1944, 1969T]
14192015-Willamette R@Keizer-OR [2002, 2002T]
14197900-Willamette R@Newberg-OR [2002, 2002T]
14211720-Willamette R@Portland-OR [2002, 2002T]
12510500-Yakima R@Kiona-WA [1933, 2004-2008T]
12484500-Yakima R@Umtanum-WA [1931]
14201300-Zollner Creek nr Mt Angel-OR [2002, 2002-2004T]
The year following the location indicates the earliest flow data available. A year followed by a "T" indicates the earliest temperature data available.