St. Patrick Day is the day when everybody:
1. pretends its holidays
2. pretends its spring
3. pretends everybody is above 21

Climate change has possibly made sure that pretending one of the above is harder - I woke up just now and I saw a number for tiny vengeful white flakes invading the cursed Ann Arbor. Heck, as if seeing the disgusting weather with my own eyes is not enough, on the internet, winter storm watch for the Midwest has been issued.

Anybody willing to check when was the latest snowfall each year for the last 100 years for Ann Arbor?

Though I know some econometrics, I'm just too lazy to analyze them. If you want to do it, some sites to look at are the NOAA and the pioneer of online weather report at the University of Michigan Weather. The zipcode for Ann Arbor is 48109 and its location is longitude 83 deg, 43 mins and lagitude of 42 deg, 18 mins. North and west of course.

p/s - somehow, I remember, it snowed in April too. Maybe it's not too unnatural.