MEDIAN FLOW RATE · 1 YEAR
91cfs 18.6% vs avg
Optimal band: 217–293 cfs
PERIOD HIGH
1,450cfs
PERIOD LOW
80cfs
RUNNABLE
25%
last 1 year in band
Gauge Height
4.68ft
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Your History · Winnebago River at Mason City, IA
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Station Location
43.1650, -93.1925Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC
Site #05459500·USGS
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