PO Box 239

Emigrant, MT 59027

upperyellowstone@gmail.com

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© 2016 Upper Yellowstone Watershed Group

 

Yellowstone River Annual Flow

 

The Upper Yellowstone is not only loved by many, it has a long history of scientific and community science study devoted to it. The below is an annual flow graph of the Yellowstone River before it flows in to Yankee Jim Canyon. It is based on tree-ring studies that allow us to look back in time to 1700. For the full report on surface water supply on the Upper Yellowstone download the report here