In article 2005122909522416807-taharley@dundeeacuk,
Trevor Harley writes:
I know we've had this conversation before ... I know I could work it
out myself if I hadn't had too much merlot last night ... but could
someone please remind me how many millimetres of rainfall exactly 2 fl
oz of water (thawed snow from the rain gauge) equals?
snip

I could probably work it out if you told me the diameter of your rain
gauge.
--
John Hall

"I am not young enough to know everything."
Oscar Wilde (1854-1900)