MEDIAN FLOW RATE · 1 YEAR
0cfs 44.7% vs avg
Optimal band: 3–3 cfs
PERIOD HIGH
196cfs
PERIOD LOW
1cfs
RUNNABLE
8%
last 1 year in band
Gauge Height
5.90ft
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Your History · SAN MATEO C A SAN MATEO RD NR SAN ONOFRE CA
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Station Location
33.4193, -117.5371Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC
Site #11046325·USGS
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