MEDIAN FLOW RATE · 1 YEAR
8cfs 6.9% vs avg
Optimal band: 14–18 cfs
PERIOD HIGH
206cfs
PERIOD LOW
7cfs
RUNNABLE
23%
last 1 year in band
Gauge Height
0.67ft
Weather Map
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Your History · South Fork Grand R nr Cash, SD
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Station Location
45.6491, -102.6433Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC
Site #06356500·USGS
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