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| Today | Normal | Record | 5/27/2012 | |
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| High | 75° | 70° | 92° (1986) | 45° |
| Low | 40° | 43° | 28° (1918) | 40° |
Rises at 5:49 AM with 15:29 of sunlight, then sets at 9:18 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.