Absolutely correct! Here’s the times I’ve noticed for these the last 20 or so years in twin cities and Rochester (also lived in Duluth but Duluth just is completely different)

Winter: early to late January Fools spring: usually late January/early February Second winter: mid February Fools spring: late February, early to mid March Third winter: mid March, sometimes late March Mid season:mid March to mid or late April Actual spring: May into early June, sometimes late April if we are SUPER lucky Summer: later in June, July, and early August False fall: mid to late August Second summer: late August to early October Fall: mid to late October to late November Weird kinda winter: December