MEDIAN FLOW RATE · 1 YEAR
10cfs 50.8% vs avg
Optimal band: 12–16 cfs
PERIOD HIGH
509cfs
PERIOD LOW
3cfs
RUNNABLE
18%
last 1 year in band
Precipitation History
Your History · NORWALK RIVER AT SOUTH WILTON, CT
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Station Location
41.1638, -73.4195Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC
Site #01209700·USGS
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