I measured 21" here in Dunbarton, NH (500') clearing every 6 hours or so. Measuring an untouched area on the driveway indicates it's already settled to 17-18" this morning.
Heavy damage in the area and no power since 8:45am yesterday. Here's a scene just down the road:
The center of town is significantly higher at 850'. A local on facebook reported 31". Not sure about that, but certainly more than at my house.
Here's a couple pics from Dunbarton Center. Picnic tables:
In front of the town hall (snow is about 28" deep here):