Rio Hondo below Whittier Narrows Dam CA

USGS Site No: 11102300 • Los Angeles County, CA

Rio Hondo below Whittier Narrows Dam CA is currently at 0 cfs (Normal — 25th percentile for this date) . Gage height: 1.36 ft.

Reading from

0
CFS Discharge
1.36
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 0
25th Low threshold 0
50th (Median) Normal (median) 22 Today: 0 cfs
75th High threshold 129
95th Very High threshold 278

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.

690 345 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 0 —
May 27, 2026 39 —
May 26, 2026 42 —
May 25, 2026 29 —
May 24, 2026 26 —
May 23, 2026 15 —
May 22, 2026 10 —
May 21, 2026 26 —
May 20, 2026 18 —
May 19, 2026 20 —
May 18, 2026 32 —
May 17, 2026 23 —
May 16, 2026 22 —
May 15, 2026 14 —
Apr 20, 2026 299 —
Apr 19, 2026 318 —
Apr 18, 2026 241 —
Apr 17, 2026 350 —
Apr 16, 2026 350 —
Apr 15, 2026 190 —
Apr 14, 2026 216 —
Apr 13, 2026 2 —
Apr 12, 2026 123 —
Apr 11, 2026 1 —
Apr 10, 2026 0 —
Apr 9, 2026 203 —
Apr 8, 2026 463 —
Apr 7, 2026 378 —
Apr 6, 2026 354 —
Apr 5, 2026 347 —

Station Information

USGS Site No
11102300
State
CA
County
Los Angeles County
Coordinates
34.0167, -118.0884
Drainage Area
124 mi²
Datum (ft)
177.1
HUC Code
18070105
View on USGS NWIS →

Recent Extremes

Max discharge
3,320 cfs
Dec 24, 2025
Min discharge
0 cfs
Feb 15, 2026

Computed from the local daily-values archive.

Nearby Gauges

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