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| Today | Normal | Record | 5/23/2012 | |
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| High | 90° | 83° | 98° (2000) | 97° |
| Low | 62° | 54° | 41° (1967) | 61° |
Rises at 5:49 AM with 14:09 of sunlight, then sets at 7:58 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.