Alameda C below Calaveras C near Sunol CA

USGS Site No: 11173510 • Alameda County, CA

Alameda C below Calaveras C near Sunol CA is currently at 11 cfs (High — 76th percentile for this date) . Gage height: 4.70 ft.

Reading from

11
CFS Discharge
4.70
Gage Height (ft)
High
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 1
25th Low threshold 1
50th (Median) Normal (median) 3
75th High threshold 9
95th Very High threshold 55 Today: 11 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.

589 294 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 11 —
May 27, 2026 10 —
May 26, 2026 10 —
May 25, 2026 9 —
May 24, 2026 9 —
May 23, 2026 9 —
May 22, 2026 9 —
May 21, 2026 9 —
May 20, 2026 10 —
May 19, 2026 10 —
May 18, 2026 10 —
May 17, 2026 10 —
May 16, 2026 10 —
May 15, 2026 10 —
Apr 20, 2026 18 —
Apr 19, 2026 19 —
Apr 18, 2026 18 —
Apr 17, 2026 17 —
Apr 16, 2026 17 —
Apr 15, 2026 18 —
Apr 14, 2026 19 —
Apr 13, 2026 22 —
Apr 12, 2026 26 —
Apr 11, 2026 20 —
Apr 10, 2026 17 —
Apr 9, 2026 17 —
Apr 8, 2026 17 —
Apr 7, 2026 17 —
Apr 6, 2026 17 —
Apr 5, 2026 17 —

Station Information

USGS Site No
11173510
State
CA
County
Alameda County
Coordinates
37.5035, -121.8247
Drainage Area
139 mi²
Datum (ft)
429.8
HUC Code
18050004
View on USGS NWIS →

Recent Extremes

Max discharge
478 cfs
Feb 19, 2026
Min discharge
5 cfs
Nov 4, 2025

Computed from the local daily-values archive.

Nearby Gauges

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