Nope, it's not just your imagination, and it's not just the jizz-smelling pear trees in your particular yard. Spring sprung in St. Louis significantly earlier than it does generally — and that was even, and also, true for areas much further north than us.
The details are documented on new maps released this week by the USA National Phenology Network, an effort guided by staffers of the U.S. Geological Survey and the University of Arizona aimed at "taking the pulse of our planet."…