MEDIAN FLOW RATE · 30 DAY
8,294cfs 7.5% vs avg
Optimal band: 8,114–10,978 cfs
PERIOD HIGH
20,089cfs
PERIOD LOW
5,018cfs
RUNNABLE
42%
last 30 day in band
Precipitation History
Your History · ROCK RIVER NEAR JOSLIN, IL
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Station Location
41.5561, -90.1853Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC
Site #05446500·USGS
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