Quote Originally Posted by Bob Fukura
Hi, Joe:

I always thought the RH determines the rate of evaporation but maybe temperature plays an important role also. Any weatherman (weatherperson) or physics person out there who can comment on this?


No, but I aced a course in meterology 25 years ago. I've just been dying to use it!

Yes, temperature will have such an effect. Cooler air cannot hold as much moisture as warm air, (hence the relative in relative humidity) and will slow evaporation.