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| Today | Normal | Record | 5/28/2012 | |
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| High | 90° | 99° | 116° (1983) | 96° |
| Low | 69° | 66° | 49° (1929) | 66° |
Rises at 5:38 AM with 14:11 of sunlight, then sets at 7:49 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.