I've grappled with this much, and I could easily see it being wrong in favor of more average totals, but I've ultimately decided to go with my gut. Which is: go big or go home.
BWI: 40"
DCA: 24"
IAD: 48"
RIC: 19"
Tiebreaker SBY: 22"
My yard: 32"
Edit 11/27/22: upped totals