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File: extended-spring-indices-first-leaf-departures-1904-2020.png

File name: extended-spring-indices-first-leaf-departures-1904-2020.png
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Alternate Text: Spring first leaf out departures graph for the Southeast versus the US
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Spring first leaf out departures graph for the Southeast versus the US

Image caption

Smoothed Spring Leaf Index departures from the 20th-century average for the Southeastern United States in purple and the rest of the lower-48 states in orange from 1904–2020. Graph by NOAA Climate.gov, based on analysis by Mark D. Schwartz, University of Wisconsin-Milwaukee