MEDIAN FLOW RATE · 1 YEAR
2,937cfs 52.1% vs avg
Optimal band: 169–229 cfs
PERIOD HIGH
9,522cfs
PERIOD LOW
57cfs
RUNNABLE
7%
last 1 year in band
Precipitation History
Your History · SANGAMON RIVER AT PETERSBURG, IL
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Station Location
40.0133, -89.8383Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #05578000·USGS
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