MEDIAN FLOW RATE · 1 DAY
4,980cfs 35.5% vs avg
Optimal band: 4,148–5,612 cfs
PERIOD HIGH
5,630cfs
PERIOD LOW
3,440cfs
RUNNABLE
76%
last 1 day in band
Gauge Height
4.98ft
Precipitation History
Your History · ROCK RIVER AT ROCKTON, IL
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Station Location
42.4503, -89.0725Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-05 22:30 UTC
Site #05437500·USGS
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