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| Today | Normal | Record | 5/29/2012 | |
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| High | 85° | 77° | 96° (1926) | 85° |
| Low | 65° | 57° | 38° (1947) | 61° |
Rises at 5:41 AM with 14:42 of sunlight, then sets at 8:23 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.