On Friday, March 20, 2015 at 11:14:07 PM UTC, David Mitchell wrote:
Possibly true Col, observing snowfall is one thing, but recording depth is when some people's imagination takes over.

Indeed
I can never bear to report snowfall in millimetres. If the fall is that slight it is aa 'covering' or a mere 'dusting'.
I've even seen poeple here report snow*drift* depth in mm, though I think (hope) that was done tongue in cheek

Col