MEDIAN FLOW RATE · 1 YEAR
0cfs NaN% vs avg
Optimal band: 2–2 cfs
PERIOD HIGH
139cfs
PERIOD LOW
1cfs
RUNNABLE
15%
last 1 year in band
Precipitation History
Your History · SAN MATEO C BL JUNCTION BOX A DAM1 NR HILLSBOROUGH
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Station Location
37.5560, -122.4177Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #11162737·USGS
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