West Walker Rv below L Walker Rv near Coleville, CA
USGS Site No: 10296000 • West Walker River • Mono County, CA
West Walker Rv below L Walker Rv near Coleville, CA on the West Walker River is currently at 422 cfs (Very High — 109th percentile for this date) . Gage height: 2.59 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 23 | |
| 25th | Low threshold | 30 | |
| 50th (Median) | Normal (median) | 50 | |
| 75th | High threshold | 66 | |
| 95th | Very High threshold | 174 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 493 | — |
| May 27, 2026 | 557 | — |
| May 26, 2026 | 739 | — |
| May 25, 2026 | 762 | — |
| May 24, 2026 | 732 | — |
| May 23, 2026 | 711 | — |
| May 22, 2026 | 669 | — |
| May 21, 2026 | 585 | — |
| May 20, 2026 | 534 | — |
| May 19, 2026 | 539 | — |
| May 18, 2026 | 608 | — |
| May 17, 2026 | 742 | — |
| May 16, 2026 | 837 | — |
| May 15, 2026 | 917 | — |
| Apr 21, 2026 | 440 | — |
| Apr 20, 2026 | 428 | — |
| Apr 19, 2026 | 422 | — |
| Apr 18, 2026 | 387 | — |
| Apr 17, 2026 | 383 | — |
| Apr 16, 2026 | 395 | — |
| Apr 15, 2026 | 388 | — |
| Apr 14, 2026 | 384 | — |
| Apr 13, 2026 | 395 | — |
| Apr 12, 2026 | 391 | — |
| Apr 11, 2026 | 444 | — |
| Apr 10, 2026 | 438 | — |
| Apr 9, 2026 | 436 | — |
| Apr 8, 2026 | 413 | — |
| Apr 7, 2026 | 394 | — |
| Apr 6, 2026 | 369 | — |
Station Information
- USGS Site No
- 10296000
- State
- CA
- County
- Mono County
- Coordinates
- 38.3796, -119.4502
- Drainage Area
- 181 mi²
- Datum (ft)
- 6,591.4
- HUC Code
- 16050302
Flood Stage Thresholds
- Action Stage
- 5.5 ft
- Flood Stage
- 6.0 ft
- Moderate Flood
- 6.8 ft
- Major Flood
- 7.3 ft
Currently 3.41 ft below flood stage.
Recent Extremes
- Max discharge
-
1,240 cfsMay 11, 2025
- Min discharge
-
39 cfsSep 17, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
West Walker Rv near Coleville, CAVery High9.2 mi · 383 cfs
-
Buckeye Ck near Bridgeport, CAVery High11.8 mi · 81 cfs
-
East Walker Rv near Bridgeport, CAVery High13.2 mi · 149 cfs
-
Robinson Ck at Twin Lks Outlet near Bridgeport, CAVery High15.9 mi · 115 cfs
-
Topaz Canal below Div West Walker Rvr near Topaz, CAVery High18.0 mi · 341 cfs