Not sure. Last Dec, 15 of the 31 days had lows 32 or below at the Richmond NWS reporting station. 18 the previous Dec with one low of 8. That is damn cold for his Capital of the Confederacy locale.
GFS has not changed much in quite a few runs. Sloppy/TV snow N Pa, warmer rain south PA. All data points are above freezing all day Thur. Nam not that far off from it.
I am liking MDT's chances of AN tomorrow and Thursday could be close as well assuming they have their usual high low temps. Near or low 50's for highs tomorrow and 45-50 Thursday.