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| Today | Normal | Record | 5/25/2012 | |
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| High | 66° | 71° | 88° (1975) | 85° |
| Low | 40° | 50° | 30° (1897) | 66° |
Rises at 6:03 AM with 14:55 of sunlight, then sets at 8:58 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.