Times of clouds and sun
A shower in spots in the evening; otherwise, mostly cloudy
Rises at 5:20 AM with 15:07 of sunlight, then sets at 8:27 PM
Rises at 9:32 PM with 10:35 of moolight, then sets at 8:07 AM
Jun 20, 2013; 5:00 AM ET What was once difficult to measure is now being done. Researchers have found a new way to determine the amount of evaporation globally. Valerie Smock explains how it's done.