Dry C near Mouth near Healdsburg CA

USGS Site No: 11465350 • Sonoma County, CA

Dry C near Mouth near Healdsburg CA is currently at 81 cfs (Normal — 29th percentile for this date) . Gage height: 4.54 ft.

Reading from

81
CFS Discharge
4.54
Gage Height (ft)
Normal
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 27
25th Low threshold 78
50th (Median) Normal (median) 93 Today: 81 cfs
75th High threshold 110
95th Very High threshold 159

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.

1.4k 675 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 91 —
May 27, 2026 77 —
May 26, 2026 78 —
May 25, 2026 79 —
May 24, 2026 79 —
May 23, 2026 72 —
May 22, 2026 68 —
May 21, 2026 68 —
May 20, 2026 70 —
May 19, 2026 71 —
May 18, 2026 74 —
May 17, 2026 76 —
May 16, 2026 75 —
May 15, 2026 75 —
Apr 20, 2026 129 —
Apr 19, 2026 88 —
Apr 18, 2026 93 —
Apr 17, 2026 97 —
Apr 16, 2026 122 —
Apr 15, 2026 142 —
Apr 14, 2026 182 —
Apr 13, 2026 247 —
Apr 12, 2026 266 —
Apr 11, 2026 177 —
Apr 10, 2026 134 —
Apr 9, 2026 105 —
Apr 8, 2026 107 —
Apr 7, 2026 108 —
Apr 6, 2026 109 —
Apr 5, 2026 110 —

Station Information

USGS Site No
11465350
State
CA
County
Sonoma County
Coordinates
38.5874, -122.8622
Drainage Area
217 mi²
Datum (ft)
56.7
HUC Code
18010110
View on USGS NWIS →

Recent Extremes

Max discharge
6,610 cfs
Jan 6, 2026
Min discharge
68 cfs
May 22, 2026

Computed from the local daily-values archive.

Nearby Gauges