West Walker Rv near Coleville, CA

USGS Site No: 10296500West Walker River • Mono County, CA

West Walker Rv near Coleville, CA on the West Walker River is currently at 383 cfs (Low — 15th percentile for this date) . Gage height: 4.01 ft.

Reading from

383
CFS Discharge
4.01
Gage Height (ft)
Low
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 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 302
25th Low threshold 551 Today: 383 cfs
50th (Median) Normal (median) 1,060
75th High threshold 1,450
95th Very High threshold 1,970

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.

2.4k 1.2k 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

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
View on USGS NWIS →

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 cfs
May 11, 2025
Min discharge
44 cfs
Aug 22, 2025
Days at flood stage
0

Computed from the local daily-values archive.