where:
ET = equivalent temperature (degrees Celsius)
WCF = wind chill factor (Watts per square metre)
SQROOT = square root function
W = wind speed (Km/hr)
T = air temperature (degrees Celsius)
(Source: Weather University of Waterloo)
'When I examine myself and my methods of thought, I come to the conclusion
that the gift of fantasy has meant more to me than my talent for absorbing
positive knowledge.'