Corte Madera C at Ross CA

USGS Site No: 11460000 • Marin County, CA

Corte Madera C at Ross CA is currently at 2 cfs (High — 76th percentile for this date) . Gage height: 4.29 ft.

Reading from

2
CFS Discharge
4.29
Gage Height (ft)
High
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 0
25th Low threshold 1
50th (Median) Normal (median) 1
75th High threshold 2
95th Very High threshold 4 Today: 2 cfs

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.

257 129 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 5 —
May 27, 2026 2 —
May 26, 2026 2 —
May 25, 2026 2 —
May 24, 2026 2 —
May 23, 2026 2 —
May 22, 2026 2 —
May 21, 2026 2 —
May 20, 2026 2 —
May 19, 2026 2 —
May 18, 2026 2 —
May 17, 2026 2 —
May 16, 2026 2 —
May 15, 2026 3 —
Apr 20, 2026 26 —
Apr 19, 2026 5 —
Apr 18, 2026 5 —
Apr 17, 2026 5 —
Apr 16, 2026 5 —
Apr 15, 2026 6 —
Apr 14, 2026 7 —
Apr 13, 2026 9 —
Apr 12, 2026 19 —
Apr 11, 2026 30 —
Apr 10, 2026 11 —
Apr 9, 2026 4 —
Apr 8, 2026 4 —
Apr 7, 2026 4 —
Apr 6, 2026 4 —
Apr 5, 2026 4 —

Station Information

USGS Site No
11460000
State
CA
County
Marin County
Coordinates
37.9629, -122.5569
Drainage Area
18 mi²
Datum (ft)
10.4
HUC Code
18050002
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
15.0 ft
Flood Stage
17.0 ft
Moderate Flood
20.0 ft
Major Flood
23.0 ft

Currently 12.71 ft below flood stage.

Recent Extremes

Max discharge
622 cfs
Jan 5, 2026
Min discharge
0 cfs
Sep 23, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges

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