MEDIAN FLOW RATE · 1 YEAR
0cfs NaN% vs avg
Optimal band: 3–3 cfs
PERIOD HIGH
196cfs
PERIOD LOW
1cfs
RUNNABLE
8%
last 1 year in band
Precipitation History
Your History · SAN MATEO C A SAN MATEO RD NR SAN ONOFRE CA
Track your history
Sign in to track your sessions at SAN MATEO C A SAN MATEO RD NR SAN ONOFRE CA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
33.4193, -117.5371Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #11046325·USGS
Create a free account to save favorites, set flow alerts, and track conditions