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Increasing Flows

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Precipitation and Runoff


A hydrologic break point identified in 1990 showed precipitation and runoff increasing throughout the year, when compared to pre-1990, with the greatest increases during the summer growing season. The fall had greater increases in seasonal runoff when compared to increases in precipitation (see graph below).


Precipitation has also increased 19% over the past 30 years compared to the prior century, with 5.4 inches of increased average annual precipitation. 


The main take-away is that we see more water  flowing through our rivers in each season, accelerating already unstable conditions throughout the watershed.

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Learn More about Precipitation and Runoff
(Links)

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Source: DNR Hydrology and Connectivity Report 

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