Merced River at Pohono Bridge near Yosemite CA

USGS Site No: 11266500 • Merced River • Mariposa County, CA

Merced River at Pohono Bridge near Yosemite CA on the Merced River is currently at 778 cfs (Very High — 106th percentile for this date) . Gage height: 3.97 ft.

Reading from

778
CFS Discharge
3.97
Gage Height (ft)
Very High
Flow Condition
Normal
Flood Status

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 14
25th Low threshold 20
50th (Median) Normal (median) 33
75th High threshold 78
95th Very High threshold 375

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.

6.5k 3.2k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 891 —
May 27, 2026 970 —
May 26, 2026 1,100 —
May 25, 2026 1,080 —
May 24, 2026 1,120 —
May 23, 2026 1,100 —
May 22, 2026 1,080 —
May 21, 2026 968 —
May 20, 2026 939 —
May 19, 2026 1,020 —
May 18, 2026 1,200 —
May 17, 2026 1,440 —
May 16, 2026 1,640 —
May 15, 2026 1,800 —
Apr 20, 2026 1,160 —
Apr 19, 2026 1,250 —
Apr 18, 2026 1,250 —
Apr 17, 2026 1,270 —
Apr 16, 2026 1,350 —
Apr 15, 2026 1,320 —
Apr 14, 2026 1,230 —
Apr 13, 2026 1,250 —
Apr 12, 2026 1,330 —
Apr 11, 2026 1,400 —
Apr 10, 2026 1,330 —
Apr 9, 2026 1,310 —
Apr 8, 2026 1,250 —
Apr 7, 2026 1,190 —
Apr 6, 2026 1,130 —
Apr 5, 2026 1,130 —

Station Information

USGS Site No
11266500
State
CA
Coordinates
37.7163, -119.6657
Drainage Area
321 mi²
Datum (ft)
3,864.9
HUC Code
18040008
View on USGS NWIS →

Flood Stage Thresholds

Flood Stage
10.0 ft
Moderate Flood
12.5 ft
Major Flood
20.0 ft

Currently 6.03 ft below flood stage.

Recent Extremes

Max discharge
3,430 cfs
May 11, 2025
Min discharge
27 cfs
Aug 23, 2025
Days at flood stage
0

Computed from the local daily-values archive.