The couple of spots of not even a trace are cute.
Anyway…globals/rgem are pretty much 0.30-0.40 ish up here…nam and hrrr are meh. 3-4” looks good with a little ZL on top.
It’s a step in the melting direction and no change in water content . If anything, some of it evaporates from the snow surface.
A rain or ZR event will knock a pack down too, but will get absorbed in to add more water content/density to the pack.