Climate change is shrinking the Colorado River. March of 2017 was the warmest March in Colorado history, with temperatures 8.8°F above normal. Snowpack and expected runoff declined substantially in the face of this record warmth.

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Climate change is shrinking the Colorado River. March of 2017 was the warmest March in Colorado history, with temperatures 8.8°F above normal. Snowpack and expected runoff declined substantially in the face of this record warmth.