Our average forecasts:
DCA 11/11/20
BWI 10/29/20
IAD 10/26/20
RIC 11/6/20
Tie: 83.6
So far the tiebreaker value is 83F from IAD on the 7th. Based on the projections, that's probably going to be the final value, but we'll see. Chances for the first freeze, at least at IAD, look pretty decent over the next 10 days.
2020 First Freeze Contest.xlsx