"Phil Layton" wrote in message
...

"Phil Layton" wrote in message
...
Been a while but on :
03772 17256 /2702 11005 21012 30075 40107 56017 69902 771// 90550
333 21019 3/105 4/003 55042 55300 20000 79999 85/04 86/11=

for Heathrow 06Z synop this morning is:
4/003 = 3cms ?



Second thoughts - how can you have snow depths from an auto station ???


Ultrasonic snow depth sensor from Campbell Scientific.

http://www.campbellsci.co.uk/index.cfm?id=233

They are located at quite a few stations

John