Rainfall over the last week. A lot of us in the 1-2.5" range, with some big winners near Frederick, Manassas, Dulles, and Martinsburg. As has been tradition this year, DC itself, southern DE, and Stephens City did poorly.
Airport totals continue to diverge (year-to-date total, departure):
DCA: 14.71", -6.94"
IAD: 21.95", -0.81"
BWI: 18.45", -3.94"