Flow Rate
At the United States Geological Survey's stream gauge near Granite Falls, 6 miles (10 km) upstream from the river's mouth, the annual mean flow of the river between 1931 and 2005 was 142 cubic feet per second (4 m³/s). The highest recorded flow during the period was 17,200 ft³/s (487 m³/s) on April 10, 1969. Readings of zero were recorded on numerous days during several years.
Read more about this topic: Yellow Medicine River
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