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| Today | Normal | Record | 5/27/2012 | |
|---|---|---|---|---|
| High | 85° | 84° | 99° (1926) | 96° |
| Low | 61° | 62° | 41° (1961) | 67° |
Rises at 5:36 AM with 14:15 of sunlight, then sets at 7:51 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.