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Clear and chilly; freezing temperatures in the normally colder spots
| Today | Normal | Record | 6/20/2012 | |
|---|---|---|---|---|
| High | 72° | 83° | 99° (1961) | 88° |
| Low | 39° | 48° | 35° (1991) | 45° |
Rises at 5:33 AM with 14:55 of sunlight, then sets at 8:28 PM
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.