Letter 811 from hmmm...I am gonna take a guess at 02.01.2015

I was correct! AND it was SuperBowl Sunday obviously. Another edge-of-your-seat Thriller! of a Letter, I tell ya. I wonder what a chicken run on SuperBowl Sunday means?

 Weird science stuff:

 This letter must have been frozen to the bottom of some Postman's satchel!