| Siletz River at Siletz, OR | 60.5 cfs | 450 cfs | +644% | Too low → Fishable/Floatable |
| Wilson River near Tillamook, OR | 51.3 cfs | 314 cfs | +512% | Too low → Fishable/Floatable |
| Molalla River near Canby, OR | 56.9 cfs | 292 cfs | +413% | Too low → Fishable/Floatable |
| North Fork Skokomish River below Staircase Rapids, near Hoodsport, WA | 46.2 cfs | 230 cfs | +398% | Too low → Fishable/Floatable |
| Calawah River near Forks, WA | 97.6 cfs | 482 cfs | +394% | Too low → Fishable/Floatable |
| Bogachiel River near Forks, WA | 122 cfs | 587 cfs | +381% | Too low → Fishable/Floatable |
| Nehalem River near Foss, OR | 90.4 cfs | 410 cfs | +354% | Too low → Fishable/Floatable |
| Siuslaw River near Mapleton, OR | 73.3 cfs | 300 cfs | +309% | Too low → Fishable/Floatable |
| Queets River near Clearwater, WA | 534 cfs | 1,910 cfs | +258% | Too low → Fishable/Floatable |
| Nooksack River at Ferndale, WA | 394 cfs | 1,240 cfs | +215% | Too low → Fishable/Floatable |
| Nestucca River near Beaver, OR | 66.8 cfs | 207 cfs | +210% | Too low → Fishable/Floatable |
| North Fork Stillaguamish River near Arlington, WA | 180 cfs | 522 cfs | +190% | Too low → Fishable/Floatable |
| Hoh River at US Highway 101, near Forks, WA | 305 cfs | 813 cfs | +167% | Too low → Fishable/Floatable |
| Snoqualmie River near Carnation, WA | 468 cfs | 1,090 cfs | +133% | Too low → Fishable/Floatable |
| Chehalis River near Grand Mound, WA | 243 cfs | 555 cfs | +128% | Fishable/Floatable (same) |
| Alsea River near Tidewater, OR | 64.9 cfs | 141 cfs | +117% | Too low → Fishable/Floatable |
| Quinault River at Quinault Lake, WA | 363 cfs | 784 cfs | +116% | Too low → Fishable/Floatable |
| South Umpqua River near Brockway, OR | 96.7 cfs | 208 cfs | +115% | Too low → Fishable/Floatable |
| Skykomish River near Gold Bar, WA | 392 cfs | 813 cfs | +107% | Too low (same) |
| Snoqualmie River near Snoqualmie, WA | 376 cfs | 752 cfs | +100% | Too low → Fishable/Floatable |
| Chetco River near Brookings, OR | 53.9 cfs | 97.7 cfs | +81% | Too low → Fishable/Floatable |
| Skokomish River near Potlatch, WA | 331 cfs | 571 cfs | +73% | Fishable/Floatable (same) |
| Toutle River at Tower Road, near Silver Lake, WA | 469 cfs | 807 cfs | +72% | Fishable/Floatable (same) |
| South Fork Coquille River at Powers, OR | 14.5 cfs | 24.6 cfs | +70% | Too low → Fishable/Floatable |
| Coeur d'Alene River near Cataldo, ID | 279 cfs | 430 cfs | +54% | Too low → Fishable/Floatable |
| Sauk River near Sauk, WA | 634 cfs | 959 cfs | +51% | Too low (same) |
| Clackamas River at Estacada, OR | 625 cfs | 939 cfs | +50% | Too low → Fishable/Floatable |
| Sandy River below Bull Run River, near Bull Run, OR | 270 cfs | 405 cfs | +50% | Too low → Fishable/Floatable |
| Illinois River near Kerby, OR | 36.0 cfs | 53.5 cfs | +49% | Too low → Fishable/Floatable |
| Sandy River near Marmot, OR | 198 cfs | 285 cfs | +44% | Too low (same) |
| Yaak River near Troy, MT | 87.4 cfs | 125 cfs | +43% | Too low → Fishable/Floatable |
| Spokane River at Spokane, WA | 1,420 cfs | 2,000 cfs | +41% | Too low → Fishable/Floatable |
| Elwha River at McDonald Bridge, near Port Angeles, WA | 196 cfs | 263 cfs | +34% | Too low (same) |
| Wynoochee River above Save Creek, near Aberdeen, WA | 190 cfs | 253 cfs | +33% | Too low (same) |
| Wenatchee River at Peshastin, WA | 300 cfs | 397 cfs | +32% | Too low (same) |
| Puyallup River at Puyallup, WA | 746 cfs | 971 cfs | +30% | Too low (same) |
| Umpqua River near Elkton, OR | 962 cfs | 1,230 cfs | +28% | Too low → Fishable/Floatable |
| Clackamas River above Three Lynx Creek, OR | 583 cfs | 742 cfs | +27% | Too low → Fishable/Floatable |
| John Day River at McDonald Ferry, OR | 215 cfs | 268 cfs | +25% | Fishable/Floatable (same) |
| Lochsa River near Lowell, ID | 415 cfs | 517 cfs | +25% | Fishable/Floatable (same) |
| Willamette River at Salem, OR | 6,910 cfs | 8,570 cfs | +24% | Fishable/Floatable (same) |
| Cascade River at Marblemount, WA | 150 cfs | 184 cfs | +23% | Too low (same) |
| Dungeness River near Sequim, WA | 60.4 cfs | 74.0 cfs | +23% | Too low (same) |
| Icicle Creek above Snow Creek, near Leavenworth, WA | 69.5 cfs | 84.6 cfs | +22% | Too low (same) |
| St. Joe River at Calder, ID | 376 cfs | 451 cfs | +20% | Fishable/Floatable (same) |
| South Fork McKenzie River near Rainbow, OR | 395 cfs | 472 cfs | +19% | Fishable/Floatable (same) |
| North Umpqua River at Winchester, OR | 744 cfs | 888 cfs | +19% | Too low → Fishable/Floatable |
| Clearwater River at Spalding, ID | 3,220 cfs | 3,840 cfs | +19% | Fishable/Floatable (same) |
| Hood River at Tucker Bridge, near Hood River, OR | 239 cfs | 283 cfs | +18% | Too low (same) |
| Snake River at Neeley, ID | 263 cfs | 304 cfs | +16% | Too low (same) |
| South Santiam River at Waterloo, OR | 1,150 cfs | 1,320 cfs | +15% | Fishable/Floatable (same) |
| White Salmon River near Underwood, WA | 394 cfs | 449 cfs | +14% | Too low (same) |
| Skagit River near Mount Vernon, WA | 6,990 cfs | 7,770 cfs | +11% | Fishable/Floatable (same) |
| McKenzie River near Vida, OR | 1,680 cfs | 1,860 cfs | +11% | Fishable/Floatable (same) |
| McKenzie River below Leaburg Dam, near Leaburg, OR | 1,700 cfs | 1,880 cfs | +11% | Fishable/Floatable (same) |
| Cowlitz River at Castle Rock, WA | 4,170 cfs | 4,610 cfs | +11% | Fishable/Floatable (same) |
| Rogue River near Agness, OR | 1,410 cfs | 1,520 cfs | +8% | Fishable/Floatable (same) |
| Skagit River at Marblemount, WA | 3,520 cfs | 3,710 cfs | +5% | Fishable/Floatable (same) |
| Cedar River near Landsburg, WA | 359 cfs | 377 cfs | +5% | Fishable/Floatable (same) |
| Green River near Auburn, WA | 419 cfs | 440 cfs | +5% | Fishable/Floatable (same) |
| Okanogan River near Tonasket, WA | 484 cfs | 508 cfs | +5% | Too low (same) |
| Klickitat River near Pitt, WA | 596 cfs | 624 cfs | +5% | Fishable/Floatable (same) |
| Boise River at Glenwood Bridge, near Boise, ID | 225 cfs | 235 cfs | +4% | Fishable/Floatable (same) |
| Bitterroot River near Missoula, MT | 899 cfs | 934 cfs | +4% | Fishable/Floatable (same) |
| Clark Fork near Plains, MT | 10,300 cfs | 10,700 cfs | +4% | Fishable/Floatable (same) |
| Methow River near Pateros, WA | 313 cfs | 325 cfs | +4% | Too low (same) |
| Rogue River at Raygold, near Central Point, OR | 1,120 cfs | 1,160 cfs | +4% | Fishable/Floatable (same) |
| Rogue River at Grants Pass, OR | 1,140 cfs | 1,180 cfs | +4% | Fishable/Floatable (same) |
| Walla Walla River near Touchet, WA | 82.8 cfs | 85.4 cfs | +3% | Fishable/Floatable (same) |
| Methow River at Winthrop, WA | 206 cfs | 212 cfs | +3% | Fishable/Floatable (same) |
| Deschutes River near Madras, OR | 3,800 cfs | 3,900 cfs | +3% | Fishable/Floatable (same) |
| Yakima River at Umtanum, WA | 656 cfs | 673 cfs | +3% | Fishable/Floatable (same) |
| Yellowstone River at Billings, MT | 3,130 cfs | 3,210 cfs | +3% | Fishable/Floatable (same) |
| Stehekin River at Stehekin, WA | 230 cfs | 235 cfs | +2% | Too low (same) |
| Snake River near Irwin, ID | 1,400 cfs | 1,430 cfs | +2% | Too low → Fishable/Floatable |
| Applegate River near Applegate, OR | 116 cfs | 118 cfs | +2% | Fishable/Floatable (same) |
| South Fork Boise River at Anderson Ranch Dam, ID | 295 cfs | 300 cfs | +2% | Fishable/Floatable (same) |
| Middle Fork Flathead River near West Glacier, MT | 510 cfs | 517 cfs | +1% | Fishable/Floatable (same) |
| Missouri River at Toston, MT | 3,800 cfs | 3,850 cfs | +1% | Fishable/Floatable (same) |
| Salmon River at White Bird, ID | 4,090 cfs | 4,140 cfs | +1% | Fishable/Floatable (same) |
| Middle Fork Willamette River near Dexter, OR | 1,240 cfs | 1,250 cfs | +0.8% | Too low (same) |
| North Santiam River at Niagara, OR | 1,260 cfs | 1,270 cfs | +0.8% | Fishable/Floatable (same) |
| Deschutes River at Moody, near Biggs, OR | 4,350 cfs | 4,380 cfs | +0.7% | Fishable/Floatable (same) |
| Kootenai River below Libby Dam, near Libby, MT | 4,240 cfs | 4,240 cfs | 0% | Fishable/Floatable (same) |
| Lewis River at Ariel, WA | 2,580 cfs | 2,580 cfs | 0% | Fishable/Floatable (same) |
| Metolius River near Grandview, OR | 1,190 cfs | 1,190 cfs | 0% | Fishable/Floatable (same) |
| Williamson River below Sprague River, near Chiloquin, OR | 538 cfs | 533 cfs | -0.9% | Fishable/Floatable (same) |
| Gallatin River at Logan, MT | 730 cfs | 723 cfs | -1.0% | Fishable/Floatable (same) |
| Flathead River at Columbia Falls, MT | 3,640 cfs | 3,600 cfs | -1% | Fishable/Floatable (same) |
| Stillwater River near Absarokee, MT | 440 cfs | 435 cfs | -1% | Fishable/Floatable (same) |
| Snake River near Heise, ID | 2,060 cfs | 2,010 cfs | -2% | Fishable/Floatable (same) |
| Crooked River below Opal Springs, near Culver, OR | 1,270 cfs | 1,230 cfs | -3% | Fishable/Floatable (same) |
| Missouri River at Fort Benton, MT | 4,770 cfs | 4,610 cfs | -3% | Fishable/Floatable (same) |
| Silver Creek at Sportsman Access, near Picabo, ID | 100 cfs | 96.6 cfs | -3% | Fishable/Floatable (same) |
| Smith River near Eden, MT | 143 cfs | 138 cfs | -3% | Fishable/Floatable (same) |
| Grande Ronde River at Troy, OR | 727 cfs | 694 cfs | -5% | Fishable/Floatable (same) |
| Blackfoot River near Bonner, MT | 719 cfs | 683 cfs | -5% | Fishable/Floatable (same) |
| Clark Fork below Missoula, MT | 2,760 cfs | 2,610 cfs | -5% | Fishable/Floatable (same) |
| Yellowstone River near Livingston, MT | 1,650 cfs | 1,560 cfs | -5% | Fishable/Floatable (same) |
| Madison River near West Yellowstone, MT | 335 cfs | 315 cfs | -6% | Fishable/Floatable → Too low |
| Henrys Fork near Island Park, ID | 89.9 cfs | 84.3 cfs | -6% | Fishable/Floatable → Too low |
| North Fork Payette River near Banks, ID | 267 cfs | 250 cfs | -6% | Fishable/Floatable (same) |
| Gallatin River near Gallatin Gateway, MT | 402 cfs | 376 cfs | -6% | Fishable/Floatable (same) |
| Madison River near Cameron, MT | 994 cfs | 915 cfs | -8% | Fishable/Floatable (same) |
| Yakima River at Kiona, WA | 1,970 cfs | 1,810 cfs | -8% | Fishable/Floatable (same) |
| Nisqually River near National, WA | 133 cfs | 121 cfs | -9% | Too low (same) |
| Bighorn River below Yellowtail Afterbay Dam, near St. Xavier, MT | 1,780 cfs | 1,610 cfs | -10% | Fishable/Floatable (same) |
| Yellowstone River at Corwin Springs, MT | 1,240 cfs | 1,120 cfs | -10% | Fishable/Floatable (same) |
| Cowlitz River at Packwood, WA | 246 cfs | 218 cfs | -11% | Too low (same) |
| Missouri River below Holter Dam, near Wolf Creek, MT | 3,080 cfs | 2,720 cfs | -12% | Fishable/Floatable → Too low |
| Middle Fork Salmon River at Middle Fork Lodge, near Yellow Pine, ID | 583 cfs | 514 cfs | -12% | Fishable/Floatable (same) |
| South Fork Clearwater River at Stites, ID | 233 cfs | 205 cfs | -12% | Fishable/Floatable (same) |
| Salmon River at Salmon, ID | 1,330 cfs | 1,170 cfs | -12% | Fishable/Floatable (same) |
| Beaverhead River near Twin Bridges, MT | 273 cfs | 240 cfs | -12% | Fishable/Floatable (same) |
| Minam River at Minam, OR | 71.5 cfs | 62.5 cfs | -13% | Fishable/Floatable (same) |
| Big Hole River near Melrose, MT | 704 cfs | 612 cfs | -13% | High but doable → Fishable/Floatable |
| Salmon River near Shoup, ID | 1,980 cfs | 1,700 cfs | -14% | Fishable/Floatable (same) |
| North Fork John Day River at Monument, OR | 121 cfs | 103 cfs | -15% | Fishable/Floatable → Too low |
| Clark Fork above Missoula, MT | 2,020 cfs | 1,710 cfs | -15% | High but doable → Fishable/Floatable |
| Boise River near Twin Springs, ID | 399 cfs | 330 cfs | -17% | Fishable/Floatable (same) |
| Henrys Fork at St. Anthony, ID | 1,320 cfs | 1,080 cfs | -18% | Fishable/Floatable (same) |
| Madison River below Ennis Lake, near McAllister, MT | 1,420 cfs | 1,160 cfs | -18% | Fishable/Floatable → Too low |
| Bitterroot River near Darby, MT | 292 cfs | 237 cfs | -19% | Fishable/Floatable (same) |
| Beaverhead River at Dillon, MT | 156 cfs | 126 cfs | -19% | Fishable/Floatable (same) |
| Big Wood River at Hailey (total flow), ID | 206 cfs | 166 cfs | -19% | Fishable/Floatable (same) |
| Henrys Fork near Ashton, ID | 949 cfs | 622 cfs | -34% | Fishable/Floatable → Too low |
| Rock Creek near Clinton, MT | 474 cfs | 303 cfs | -36% | Use caution → High but doable |
| Umatilla River near Umatilla, OR | 210 cfs | 121 cfs | -42% | Fishable/Floatable (same) |
| Big Hole River below Big Lake Creek, at Wisdom, MT | 288 cfs | 113 cfs | -61% | Use caution → Fishable/Floatable |
| Jefferson River near Three Forks, MT | n/a | 1,520 cfs | n/a | n/a |
| Jefferson River near Twin Bridges, MT | n/a | 1,320 cfs | n/a | n/a |
| Judith River near mouth, near Winifred, MT | n/a | 364 cfs | n/a | n/a |
| Lemhi River near Lemhi, ID | n/a | 191 cfs | n/a | n/a |
| Marias River near Loma, MT | n/a | 510 cfs | n/a | n/a |
| Marias River near Shelby, MT | n/a | 280 cfs | n/a | n/a |
| Pahsimeroi River at Ellis, ID | n/a | 213 cfs | n/a | n/a |
| Ruby River below reservoir, near Alder, MT | n/a | 44.6 cfs | n/a | n/a |
| Ruby River near Twin Bridges, MT | n/a | 175 cfs | n/a | n/a |
| Sun River at Simms, MT | n/a | 282 cfs | n/a | n/a |
| Sun River near Vaughn, MT | n/a | 506 cfs | n/a | n/a |
| Teton River above South Leigh Creek, near Driggs, ID | n/a | 195 cfs | n/a | n/a |
| Teton River near St. Anthony, ID | n/a | 365 cfs | n/a | n/a |