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| Today | Normal | Record | 6/14/2012 | |
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| High | 94° | 89° | N/A | 90° |
| Low | 78° | 77° | N/A | 80° |
Rises at 6:33 AM with 13:53 of sunlight, then sets at 8:26 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.