Santa Rosa C at Santa Rosa CA

USGS Site No: 11466200 • Sonoma County, CA

Santa Rosa C at Santa Rosa CA is currently at 19 cfs (High — 78th percentile for this date) . Gage height: 23.99 ft.

Reading from

19
CFS Discharge
23.99
Gage Height (ft)
High
Flow Condition
Normal
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) 1
75th High threshold 3
95th Very High threshold 117 Today: 19 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.

3.7k 1.8k 0 cfs Mar 16 Apr 20
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
Apr 20, 2026 114 —
Apr 19, 2026 13 —
Apr 18, 2026 14 —
Apr 17, 2026 15 —
Apr 16, 2026 17 —
Apr 15, 2026 20 —
Apr 14, 2026 25 —
Apr 9, 2026 9 —
Apr 6, 2026 10 —
Apr 5, 2026 11 —
Apr 4, 2026 11 —
Apr 3, 2026 12 —
Apr 2, 2026 14 —
Apr 1, 2026 16 —
Mar 31, 2026 34 —
Mar 30, 2026 10 —
Mar 29, 2026 10 —
Mar 28, 2026 11 —
Mar 27, 2026 11 —
Mar 26, 2026 11 —
Mar 25, 2026 12 —
Mar 24, 2026 12 —
Mar 23, 2026 13 —
Mar 22, 2026 13 —
Mar 21, 2026 14 —
Mar 20, 2026 15 —
Mar 19, 2026 15 —
Mar 18, 2026 16 —
Mar 17, 2026 17 —
Mar 16, 2026 18 —

Station Information

USGS Site No
11466200
State
CA
County
Sonoma County
Coordinates
38.4365, -122.7247
Drainage Area
57 mi²
Datum (ft)
102.4
HUC Code
18010110
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
40.0 ft
Flood Stage
41.0 ft
Moderate Flood
45.0 ft
Major Flood
50.0 ft

Currently 17.01 ft below flood stage.

Recent Extremes

Max discharge
1,150 cfs
Dec 22, 2025
Min discharge
1 cfs
Oct 8, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges

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