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| Today | Normal | Record | 5/28/2012 | |
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| High | 85° | 84° | N/A | 87° |
| Low | 61° | 60° | N/A | 68° |
Rises at 6:11 AM with 14:17 of sunlight, then sets at 8:28 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.