Richard

Philip Eden stated in his synoptic:

"The strength of the westerlies also resulted in a strongly
orographically-modulated rainfall distribution (biggest percentages on
west-facing upslopes and lowest percentages in the usual rain-shadow
areas)."

Maybe this accounted for the differences?
________________
Nick G
Otter Valley, Devon
80 m amsl
http://www.ottervalley.co.uk