A Gardener's Guide to Frost

totototo@telus.net totototo@telus.net
Fri, 16 Nov 2007 12:22:15 PST
On 13 Nov 07, at 15:24, Judy Glattstein wrote:

> ..."Bliss Formula" to wit: "At 1/2 hour after sunset, note air 
> temperature (a) and dew point temperature (b). Add these temperatures 
> and multiply the sum by .31 to get the lowest temperature likely (c). (a 
> + b) x .31 = c"

Those would Fahrenheit temperatures, presumably.

Rodger Whitlock
Victoria, British Columbia, Canada
Maritime Zone 8, a cool Mediterranean climate

on beautiful Vancouver Island

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