December 21 afternoon temperatures have been declining in the US for a century.
On this date 60 years ago, temperatures were over 60 degrees all the way up into northern New England.
This year, the US is headed into a deep freeze.
10-Day Temperature Outlook for the Conterminous U.S.
Boulder this morning.
via The Deplorable Climate Science Blog
December 21, 2017 at 11:48AM
Iowa Climate Science Education 