West Walker Rv near Coleville, CA
USGS Site No: 10296500 • West Walker River • Mono County, CA
West Walker Rv near Coleville, CA on the West Walker River is currently at 383 cfs (Very High — 105th percentile for this date) . Gage height: 4.01 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 | 29 | |
| 25th | Low threshold | 36 | |
| 50th (Median) | Normal (median) | 59 | |
| 75th | High threshold | 80 | |
| 95th | Very High threshold | 190 |
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 | 449 | — |
| May 27, 2026 | 517 | — |
| May 26, 2026 | 698 | — |
| May 25, 2026 | 698 | — |
| May 24, 2026 | 675 | — |
| May 23, 2026 | 659 | — |
| May 22, 2026 | 613 | — |
| May 21, 2026 | 522 | — |
| May 20, 2026 | 479 | — |
| May 19, 2026 | 489 | — |
| May 18, 2026 | 568 | — |
| May 17, 2026 | 691 | — |
| May 16, 2026 | 777 | — |
| May 15, 2026 | 854 | — |
| Apr 21, 2026 | 421 | — |
| Apr 20, 2026 | 410 | — |
| Apr 19, 2026 | 405 | — |
| Apr 18, 2026 | 373 | — |
| Apr 17, 2026 | 373 | — |
| Apr 16, 2026 | 382 | — |
| Apr 15, 2026 | 377 | — |
| Apr 14, 2026 | 374 | — |
| Apr 13, 2026 | 381 | — |
| Apr 12, 2026 | 382 | — |
| Apr 11, 2026 | 433 | — |
| Apr 10, 2026 | 420 | — |
| Apr 9, 2026 | 420 | — |
| Apr 8, 2026 | 396 | — |
| Apr 7, 2026 | 378 | — |
| Apr 6, 2026 | 356 | — |
Station Information
- USGS Site No
- 10296500
- State
- CA
- County
- Mono County
- Coordinates
- 38.5132, -119.4499
- Drainage Area
- 250 mi²
- Datum (ft)
- 5,520.0
- HUC Code
- 16050302
Flood Stage Thresholds
- Action Stage
- 6.8 ft
- Flood Stage
- 7.3 ft
- Moderate Flood
- 7.9 ft
- Major Flood
- 8.4 ft
Currently 3.29 ft below flood stage.
Recent Extremes
- Max discharge
-
1,210 cfsMay 11, 2025
- Min discharge
-
44 cfsAug 22, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Topaz Canal below Div West Walker Rvr near Topaz, CAVery High9.1 mi · 341 cfs
-
West Walker Rv below L Walker Rv near Coleville, CAVery High9.2 mi · 422 cfs
-
West Walker Rv at Hoye Brg near Wellington, NVVery High14.9 mi · 448 cfs
-
Leviathan C above Mine near Markleeville CAVery High17.1 mi · 0 cfs
-
Aspen C above Leviathan Mine near Markleeville CAHigh17.2 mi · 0 cfs