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| High | 86° | 83° | N/A | 90° |
| Low | 59° | 62° | N/A | 70° |
Rises at 6:32 AM with 14:06 of sunlight, then sets at 8:38 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.