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Mostly cloudy with a couple of showers and a thunderstorm
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Mostly cloudy with widely separated thunderstorms
| Today | Normal | Record | 5/25/2012 | |
|---|---|---|---|---|
| High | 77° | 76° | 102° (1967) | 66° |
| Low | 63° | 52° | 39° (2002) | 51° |
Rises at 5:57 AM with 14:52 of sunlight, then sets at 8:49 PM
May 23, 2013; 5:00 AM ET A team has developed a model to determine the influences of humans and climate on vegetation changes. Valerie Smock explains what has the greatest effect.