Spring Comes Early Across the U.S.
The Lower 48 as a whole had an average shift of “first leaf†from March 20 (1951-1980 average) to March 17 now (1981-2010 average) – approximately 3 days earlier.

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The Lower 48 as a whole had an average shift of “first leaf†from March 20 (1951-1980 average) to March 17 now (1981-2010 average) – approximately 3 days earlier.