Lion or Lamb?

 As a winter storm approaches the Chicago area during this first week of March, perhaps you have heard the term "March is coming in like a lion." If you haven't, you might soon.  What exactly does this term refer to and what is the connection with a lamb? Here's an article that explain where the term originated. . I knew of the first explanation but not the second one! Let's also take a quick tour around the country and see what is being said.;
Philadelphia, PA;
Minneapolis, MN;
New York, NY (from 2011);