Big Sulphur C near Cloverdale CA

USGS Site No: 11463200 • Sonoma County, CA

Big Sulphur C near Cloverdale CA is currently at 28 cfs (High — 82th percentile for this date) . Gage height: 15.56 ft.

Reading from

28
CFS Discharge
15.56
Gage Height (ft)
High
Flow Condition
N/A
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 2
25th Low threshold 4
50th (Median) Normal (median) 6
75th High threshold 9
95th Very High threshold 67 Today: 28 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.

1.7k 875 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 32 —
May 27, 2026 27 —
May 26, 2026 28 —
May 25, 2026 28 —
May 24, 2026 28 —
May 23, 2026 28 —
May 22, 2026 28 —
May 21, 2026 29 —
May 20, 2026 30 —
May 19, 2026 31 —
May 18, 2026 32 —
May 17, 2026 33 —
May 16, 2026 34 —
May 15, 2026 36 —
Apr 20, 2026 114 —
Apr 19, 2026 71 —
Apr 18, 2026 77 —
Apr 17, 2026 85 —
Apr 16, 2026 98 —
Apr 15, 2026 118 —
Apr 14, 2026 150 —
Apr 13, 2026 231 —
Apr 12, 2026 451 —
Apr 11, 2026 270 —
Apr 10, 2026 75 —
Apr 9, 2026 45 —
Apr 8, 2026 46 —
Apr 7, 2026 47 —
Apr 6, 2026 48 —
Apr 5, 2026 50 —

Station Information

USGS Site No
11463200
State
CA
County
Sonoma County
Coordinates
38.8260, -122.9969
Drainage Area
86 mi²
Datum (ft)
302.8
HUC Code
18010110
View on USGS NWIS →

Recent Extremes

Max discharge
3,120 cfs
Jan 5, 2026
Min discharge
2 cfs
Sep 3, 2025

Computed from the local daily-values archive.

Nearby Gauges