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File: leaf-spring-index-anomaly-map--2025-06-04.png

File name: leaf-spring-index-anomaly-map--2025-06-04.png
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Alternate Text: U.S. map showing where leaf-out was earlier or later than average
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U.S. map showing where leaf-out was earlier or later than average

Image caption

Date of first leaf of the 2025 spring season compared to the long-term average. Orange shows places where the first leaf of lilacs and honeysuckle emerged earlier than average; purple shows places where leaves were later than average. NOAA Climate.gov map, based on leaf index data through June 3 from the U.S. National Phenology Network.