Spring is on its way.
The USA National Phenology Network uses a computer model to estimate heat build-up and the “first leaf” appearance across the country. Jeremy White for The New York Times animated it.
via Flowing Data
Spring is on its way.
The USA National Phenology Network uses a computer model to estimate heat build-up and the “first leaf” appearance across the country. Jeremy White for The New York Times animated it.
via Flowing Data
s a m h o c h b e r g - m e t i c u l o u s l y r a n d o m i z e d 