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| Today | Normal | Record | 5/24/2012 | |
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| High | 64° | 73° | 93° (1950) | 90° |
| Low | 39° | 51° | 34° (1992) | 64° |
Rises at 5:25 AM with 14:50 of sunlight, then sets at 8:15 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.