MEDIAN FLOW RATE · 1 YEAR
746cfs 33.8% vs avg
Optimal band: 265–359 cfs
PERIOD HIGH
4,352cfs
PERIOD LOW
103cfs
RUNNABLE
13%
last 1 year in band
Precipitation History
Your History · Winnebago River at Mason City, IA
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Station Location
43.1650, -93.1925Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC
Site #05459500·USGS
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