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| Today | Normal | Record | 6/6/2012 | |
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| High | 86° | 87° | N/A | 82° |
| Low | 71° | 69° | N/A | 70° |
Rises at 5:46 AM with 13:22 of sunlight, then sets at 7:08 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.