Anyone backpacked in Rocky Mtn NP in late December/early January?

More specifically, where did you go and what was the route? How did it go?

I'm planning on 1 or 2 nights, either basecamping and bagging peaks or doing some sort of loop. Any related info appreciated–especially day/night temps, snow depth, easy or hard access from TH, etc. I know that conditions vary greatly, but hearing about others' past experiences always helps.