MEDIAN FLOW RATE · 1 YEAR
138cfs 4.7% vs avg
Optimal band: 50–68 cfs
PERIOD HIGH
2,235cfs
PERIOD LOW
21cfs
RUNNABLE
13%
last 1 year in band
Gauge Height
6.19ft
Precipitation History
Your History · Floyd River at Alton, IA
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Station Location
42.9828, -96.0003Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #06600100·USGS
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