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| Today | Normal | Record | 5/28/2012 | |
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| High | 73° | 70° | 91° (1978) | 89° |
| Low | 59° | 45° | 23° (2008) | 62° |
Rises at 6:05 AM with 15:09 of sunlight, then sets at 9:14 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.