The Denver Post reports that snow depth averages in Colorado are the lowest this century - Vail, for instance, measured a meager 19 inches - compared with a Christmas Day average for the 2000s of nearly 33 inches." That's 48cm compared to 83cm.

It's a similar picture in most other regions except for Washington state and Alaska where snow depths are among the world's greatest (as usual) at 3-4m and more unusually in Ariziona where the aruizona snowbowl is reporting the world's deepest snowbase at present at 475cm (16 feet).

There has however been some good snowfalls in the past week with Stowe in Vermont on the East both reporting around 25cm in 24 hours on December 25th/26th dramatically improving conditions, particularly on the east.