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| Today | Normal | Record | 5/23/2012 | |
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| High | 63° | 71° | 89° (1972) | 88° |
| Low | 38° | 50° | 25° (1931) | 62° |
Rises at 5:36 AM with 14:59 of sunlight, then sets at 8:35 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.