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| Today | Normal | Record | 5/27/2012 | |
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| High | 92° | 90° | 106° (2011) | 91° |
| Low | 69° | 63° | 48° (1947) | 72° |
Rises at 6:42 AM with 14:03 of sunlight, then sets at 8:45 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.