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| High | 85° | 70° | N/A | 81° |
| Low | 45° | 40° | N/A | 39° |
Rises at 5:48 AM with 14:37 of sunlight, then sets at 8:25 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.