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| Today | Normal | Record | 5/28/2012 | |
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| High | 84° | 83° | 97° (1951) | 82° |
| Low | 55° | 56° | 40° (1973) | 50° |
Rises at 5:55 AM with 14:18 of sunlight, then sets at 8:13 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.