This page lists river gauge rating tables.
In essence, these are gauge-height to river-flow conversion charts.
Each rating table is derived in one of the following three ways:
| | Revision Date |
| Smith - At Jedediah Smith | | Jun 11, 2026 |
| Klamath - Below J.C. Boyle Plant | | May 12, 2026 |
| Klamath - Below Iron Gate Dam | | Jun 8, 2026 |
| Shasta - Near Yreka | | Sep 21, 2026 |
| Klamath - Below Seiad Valley | | Sep 10, 2026 |
| Scott - Near Fort Jones | | Oct 21, 2026 |
| Indian Creek - Near Happy Camp (Klamath) | | Feb 27, 2026 |
| Klamath - At Orleans | | Aug 10, 2026 |
| Klamath - At Klamath Glen | | Jul 28, 2025 |
| Salmon - At Somes Bar | | Sep 3, 2026 |
| Trinity - Above Coffee Creek | | Sep 30, 2026 |
| Trinity - Below Lewiston Dam | | Oct 1, 2026 |
| Trinity - At Douglas City | | Oct 20, 2026 |
| Indian Creek - Near Douglas City | | Sep 29, 2026 |
| Trinity - At Cedar Flat | | Sep 4, 2026 |
| So. Trinity - Below Hyampom | | Sep 14, 2026 |
| Trinity - At Hoopa | | May 26, 2026 |
| Redwood Creek - At Hwy 299 | | Sep 29, 2026 |
| Redwood Creek - At Orick | | Sep 29, 2026 |
| Mad River - Above Ruth Lake | | Jul 7, 2026 |
| Mad River - At Arcata | | Sep 25, 2026 |
| Van Duzen - At Bridgeville | | Sep 30, 2026 |
| Mi. Eel - Near Dos Rios | | Aug 10, 2026 |
| Eel - At Fort Seward | | Aug 12, 2026 |
| So. Eel - At Leggett | | Sep 18, 2026 |
| Eel - At Scotia | | Aug 13, 2026 |
| Mattole - Near Ettersburg | | Oct 8, 2026 |
| Noyo River - Below South Fork | | Oct 21, 2026 |
| Navarro - Near Navarro | | Jul 31, 2026 |
| So. Gualala - Near Sea Ranch | | Sep 16, 2026 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| E. Fk Russian - Above Lake Mendocino | | Oct 19, 2026 |
| Russian - At Hopland | | Feb 24, 2026 |
| Russian - Near Cloverdale | | Aug 21, 2026 |
| Big Sulphur Cr - At Geysers Resort | | Oct 9, 2026 |
| Big Sulphur Cr - Near Cloverdale | | Oct 15, 2026 |
| Russian - Near Healdsburg | | Sep 9, 2026 |
| Mark West Creek - Near Santa Rosa | | Sep 11, 2012 |
| Napa - Near Napa | | Oct 20, 2026 |
| Arroyo Mocho - Near Livermore | | Apr 26, 2002 |
| Arroyo Valle - Above Lake Del Valle | | Sep 24, 2026 |
| Alameda Creek - Near Niles | | Sep 8, 2026 |
| Arroyo Hondo - Near San Jose | | Sep 25, 2026 |
| Guadalupe - At San Jose | | Aug 26, 2026 |
| Coyote Creek - Above Coyote Lake | | Jun 4, 2026 |
| San Francisquito Cr - At Stanford University | | Jun 23, 2026 |
| Pescadero Creek - Near Pescadero | | Sep 30, 2026 |
| San Lorenzo - At Felton | | Oct 2, 2026 |
| San Lorenzo - At Santa Cruz | | Oct 5, 2026 |
| Carmel - At Robles Del Rio | | Oct 7, 2026 |
| Carmel - Near Carmel | | Aug 6, 2026 |
| Big Sur - Near Big Sur | | Oct 7, 2026 |
| Arroyo Seco - Near Soledad | | Sep 28, 2026 |
| San Antonio - Near Lockwood | | Aug 24, 2026 |
| Cuyama - Below Buckhorn Canyon | | Oct 16, 2026 |
| Santa Ynez - Below Los Laureles Canyon | | Jul 22, 2026 |
| Piru Creek - Above Pyramid Lake | | Jan 1, 2001 |
| Piru Creek - Above Frenchmans Flat | | Mar 11, 2024 |
| Piru Creek - Above Lake Piru | | Oct 8, 2026 |
| Piru Creek - Below Lake Piru | | Feb 16, 2023 |
| Sespe Creek - Near Wheeler Springs | | Oct 9, 2026 |
| Sespe Creek - Near Fillmore | | Oct 8, 2026 |
| Santa Margarita - Near Temecula | | Sep 10, 2026 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| Sacramento - At Delta | | May 6, 2026 |
| McCloud - Above McCloud Res | | Dec 11, 2025 |
| McCloud - At Shasta Lake | | Jun 15, 2026 |
| Clear Creek - Below Whiskeytown Lake | | Aug 3, 2026 |
| So. Battle Creek - At Manton Road | | Aug 28, 2025 |
| Battle Creek - At Coleman Fish Hatchery | | Aug 5, 2026 |
| Sacramento - At Bend Bridge | | Oct 9, 2026 |
| Antelope Creek - Above Cone Grove Rd | | Aug 24, 2026 |
| Mill Creek - At End of Canyon | | Aug 11, 2026 |
| Deer Creek - Near Vina | | Oct 1, 2026 |
| Butte Creek - Near Chico | | Feb 6, 2026 |
| No. Cache Creek - Above Indian Valley Res | | Sep 28, 2026 |
| No. Cache Creek - Rel Indian Valley Dam | | Aug 18, 2026 |
| Bear Creek - Above Cache Creek | | Sep 30, 2026 |
| Cache Creek - At Rumsey Bridge | | Oct 22, 2026 |
| Putah Creek - Below Hwy 29 | | Aug 28, 2026 |
| Putah Creek - Below Lake Berryessa | | Feb 20, 2026 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| Indian Creek - Below Indian Falls | | Oct 16, 2026 |
| Spanish Creek - Near Keddie | | Aug 29, 2026 |
| West Br Feather - At Whiskey Flat Bridge | | Sep 6, 2024 |
| Mi. Feather - At Milsap Bar | | Sep 30, 2019 |
| So. Feather - Below Little Grass Valley | | Jun 13, 2022 |
| No. Yuba - Below Goodyears Bar | | Jun 26, 2024 |
| No. Yuba - Above Slate Creek | | Aug 22, 2025 |
| Mi. Yuba - Below Our House Dam | | Feb 23, 2017 |
| So. Yuba - At Hwy 49 Bridge | | Aug 7, 2026 |
| Yuba - Below Englebright Dam | | Aug 17, 2026 |
| Deer Creek - Near Smartville | | Oct 13, 2026 |
| Bear - At Hwy 174 Bridge | | Nov 7, 2003 |
| Mi. American - Above Tunnel Chute | | Oct 21, 2024 |
| So. American - At Chili Bar | | Mar 1, 2019 |
| American - Below Lake Natoma | | Mar 16, 2026 |
| No. Cosumnes - At Sand Ridge Rd | | Dec 20, 2024 |
| Mi. Cosumnes - At Mt Aukum Rd | | Jun 26, 2026 |
| Cosumnes - At Michigan Bar | | Sep 15, 2026 |
| Stanislaus - At Orange Blossom Bridge | | Jul 24, 2024 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| Tuolumne - Below Hetch Hetchy | | May 6, 2025 |
| Tuolumne - Above Early Intake | | Sep 8, 2026 |
| Cherry Creek - Above Cherry Lake | | May 6, 2015 |
| Cherry Creek - Below Holm Powerhouse | | Sep 8, 2026 |
| Tuolumne - Below Early Intake | | Sep 8, 2026 |
| Mi. Tuolumne - Above SF Confluence | | Jan 26, 2009 |
| So. Tuolumne - At Rainbow Pool | | Jan 26, 2009 |
| Merced - At Pohono Bridge | | Aug 1, 2025 |
| So. Merced - At Wawona | | Sep 10, 2026 |
| Fresno - Above Hensley Lake | | Jul 9, 2026 |
| Mi. San Joaquin - At Devils Postpile | | Feb 2, 2026 |
| No. Willow Creek - Near Sugar Pine | | Sep 10, 2026 |
| San Joaquin - At Patterson Bend | | Oct 1, 2007 |
| No. Kings - Below Dinkey Creek | | Oct 1, 2001 |
| So. Kings - Above Roaring River | | Aug 5, 2020 |
| So. Kings - Above Boyden Cave | | Oct 9, 2017 |
| Mi. Kaweah - Above Marble Fork | | Jan 9, 2024 |
| Marble Fk Kaweah - Near Lodgepole | | Oct 21, 2026 |
| Kaweah - At Three Rivers | | Jun 16, 2006 |
| No. Kern - At Kernville | | Jun 12, 2025 |
| So. Kern - Near Onyx | | Oct 16, 2026 |
| Kern - Below Kern Canyon PH Div | | Oct 1, 2026 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| Susan - At Susanville | | Sep 25, 2026 |
| Truckee - Below Lake Tahoe | | Oct 20, 2026 |
| Truckee - Near Truckee | | Oct 21, 2026 |
| Truckee - At Boca Bridge | | Jul 24, 2026 |
| Truckee - Near Floriston | | Sep 16, 2026 |
| E. Fk Carson - Near Markleeville | | Oct 8, 2026 |
| E. Fk Carson - Near Gardnerville | | Oct 2, 2026 |
| West Walker - Below Little Walker River | | Aug 5, 2026 |
| West Walker - At Walker | | Oct 16, 2026 |
| East Walker - Near Bridgeport | | Oct 15, 2026 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| Bruneau - At Rowland | | Oct 22, 2026 |
| Jarbidge - Below Jarbidge | | Sep 4, 2026 |
| Bruneau - Near Hot Springs | | Oct 19, 2026 |
| Owyhee - At Crutcher Crossing | | Sep 18, 2026 |
| Owyhee - Near Rome | | Aug 13, 2026 |
| Truckee - Near Floriston | | Sep 16, 2026 |
| Truckee - At Reno | | Oct 15, 2026 |
| E. Fk Carson - Near Markleeville | | Oct 8, 2026 |
| E. Fk Carson - Near Gardnerville | | Oct 2, 2026 |
| Carson - Near Carson City | | Oct 13, 2026 |
| West Walker - Below Little Walker River | | Aug 5, 2026 |
| West Walker - At Walker | | Oct 16, 2026 |
| East Walker - Near Bridgeport | | Oct 15, 2026 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| Klamath - Below J.C. Boyle Plant | | May 12, 2026 |
| Illinois - Near Kerby | | Aug 18, 2026 |
| So. Rogue - Below Imnaha Creek | | Jul 20, 2026 |
| Big Butte Creek - Near McLeod | | Sep 25, 2026 |
| Rogue - At Raygold | | Sep 17, 2026 |
| Rogue - Near Agness | | Aug 24, 2026 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| Owyhee - At Crutcher Crossing | | Sep 18, 2026 |
| Owyhee - Near Rome | | Aug 13, 2026 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| Bruneau - At Rowland | | Oct 22, 2026 |
| Jarbidge - Below Jarbidge | | Sep 4, 2026 |
| Bruneau - Near Hot Springs | | Oct 19, 2026 |
| Owyhee - At Crutcher Crossing | | Sep 18, 2026 |
| Owyhee - Near Rome | | Aug 13, 2026 |
| Payette - Near Horseshoe Bend | | Jul 13, 2026 |
| Mi. Salmon - At Middle Fork Lodge | | Sep 28, 2026 |
| | |
| Return to Index. |
| | |
| | Revision Date |
| No. Trinity - At Helena | | May 17, 2021 |
| No. American - At Colfax-Iowa Hill Br | | Mar 7, 2019 |
| Camp Creek - Near Somerset | | Mar 16, 2003 |