It is probably at least 6-7 inches and STILL coming down pretty hard.
We even got a couple of pics with Timber and Seaweed (separately, we don't have a third person to take a pic)
http://www.seaweedotter.com/snow-1.jpg http://www.seaweedotter.com/snow-2.jpg http://www.seaweedotter.com/snow-3.jpg http://www.seaweedotter.com/snow-4.jpg