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| Today | Normal | Record | 7/7/2012 | |
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| High | 100° | 96° | 110° (1996) | 104° |
| Low | 77° | 71° | 59° (1972) | 74° |
Rises at 6:29 AM with 14:19 of sunlight, then sets at 8:48 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.