Nf Gualala River above Sf Gualala River near Gualala CA

USGS Site No: 11467553 • Nf Gualala River • Mendocino County, CA

Nf Gualala River above Sf Gualala River near Gualala CA on the Nf Gualala River is currently at 19 cfs (Normal — 53th percentile for this date) . Gage height: 2.18 ft.

Reading from

19
CFS Discharge
2.18
Gage Height (ft)
Normal
Flow Condition
N/A
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 7
25th Low threshold 8
50th (Median) Normal (median) 18
75th High threshold 31 Today: 19 cfs
95th Very High threshold 77

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.

3.3k 1.6k 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 20 —
May 27, 2026 20 —
May 26, 2026 20 —
May 25, 2026 20 —
May 24, 2026 20 —
May 23, 2026 20 —
May 22, 2026 19 —
May 21, 2026 20 —
May 20, 2026 20 —
May 19, 2026 20 —
May 18, 2026 21 —
May 17, 2026 21 —
May 16, 2026 21 —
May 15, 2026 22 —
Apr 20, 2026 47 —
Apr 19, 2026 30 —
Apr 18, 2026 31 —
Apr 17, 2026 32 —
Apr 16, 2026 34 —
Apr 15, 2026 37 —
Apr 14, 2026 43 —
Apr 13, 2026 57 —
Apr 12, 2026 74 —
Apr 11, 2026 44 —
Apr 10, 2026 32 —
Apr 9, 2026 31 —
Apr 8, 2026 31 —
Apr 7, 2026 32 —
Apr 6, 2026 33 —
Apr 5, 2026 34 —

Station Information

USGS Site No
11467553
State
CA
County
Mendocino County
Coordinates
38.7899, -123.5094
Drainage Area
47 mi²
Datum (ft)
26.6
HUC Code
18010109
View on USGS NWIS →

Recent Extremes

Max discharge
341 cfs
Jan 9, 2026
Min discharge
4 cfs
Sep 28, 2025

Computed from the local daily-values archive.

Nearby Gauges

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