Alameda C near Niles CA

USGS Site No: 11179000 • Alameda County, CA

Alameda C near Niles CA is currently at 47 cfs (High — 77th percentile for this date) . Gage height: 3.11 ft.

Reading from

47
CFS Discharge
3.11
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 9
25th Low threshold 14
50th (Median) Normal (median) 24
75th High threshold 40
95th Very High threshold 115 Today: 47 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.

1.3k 626 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 62 —
May 27, 2026 17 —
May 26, 2026 13 —
May 25, 2026 11 —
May 24, 2026 11 —
May 23, 2026 12 —
May 22, 2026 17 —
May 21, 2026 17 —
May 20, 2026 18 —
May 19, 2026 23 —
May 18, 2026 23 —
May 17, 2026 21 —
May 16, 2026 21 —
May 15, 2026 23 —
Apr 20, 2026 33 —
Apr 19, 2026 32 —
Apr 18, 2026 36 —
Apr 17, 2026 46 —
Apr 16, 2026 51 —
Apr 15, 2026 60 —
Apr 14, 2026 82 —
Apr 13, 2026 180 —
Apr 12, 2026 398 —
Apr 11, 2026 195 —
Apr 10, 2026 47 —
Apr 9, 2026 30 —
Apr 8, 2026 31 —
Apr 7, 2026 28 —
Apr 6, 2026 26 —
Apr 5, 2026 26 —

Station Information

USGS Site No
11179000
State
CA
County
Alameda County
Coordinates
37.5871, -121.9608
Drainage Area
633 mi²
Datum (ft)
86.3
HUC Code
18050004
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
9.0 ft
Flood Stage
9.0 ft
Moderate Flood
10.5 ft

Currently 5.89 ft below flood stage.

Recent Extremes

Max discharge
1,510 cfs
Feb 17, 2026
Min discharge
11 cfs
Oct 12, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges

Related