Nathanson C at Sonoma CA

USGS Site No: 11458600 • Sonoma County, CA

Nathanson C at Sonoma CA is currently at 0 cfs (Unknown) . Gage height: 0.00 ft.

Reading from

0
CFS Discharge
0.00
Gage Height (ft)
Unknown
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 0
25th Low threshold 0
50th (Median) Normal (median) 0
75th High threshold 1
95th Very High threshold 0

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.

4 2 0 cfs Mar 22 Apr 20
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
Apr 20, 2026 3 —
Apr 19, 2026 1 —
Apr 18, 2026 0 —
Apr 17, 2026 0 —
Apr 16, 2026 0 —
Apr 15, 2026 0 —
Apr 14, 2026 0 —
Apr 13, 2026 1 —
Apr 12, 2026 1 —
Apr 11, 2026 4 —
Apr 10, 2026 3 —
Apr 9, 2026 1 —
Apr 8, 2026 1 —
Apr 7, 2026 1 —
Apr 6, 2026 1 —
Apr 5, 2026 1 —
Apr 4, 2026 1 —
Apr 3, 2026 1 —
Apr 2, 2026 1 —
Apr 1, 2026 1 —
Mar 31, 2026 1 —
Mar 30, 2026 1 —
Mar 29, 2026 1 —
Mar 28, 2026 1 —
Mar 27, 2026 1 —
Mar 26, 2026 1 —
Mar 25, 2026 1 —
Mar 24, 2026 1 —
Mar 23, 2026 1 —
Mar 22, 2026 1 —

Station Information

USGS Site No
11458600
State
CA
County
Sonoma County
Coordinates
38.2808, -122.4558
Drainage Area
5 mi²
Datum (ft)
55.1
HUC Code
18050002
View on USGS NWIS →

Recent Extremes

Max discharge
75 cfs
Jan 3, 2026
Min discharge
0 cfs
Nov 4, 2025

Computed from the local daily-values archive.

Nearby Gauges