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| Today | Normal | Record | 5/23/2012 | |
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| High | 73° | 70° | 92° (1964) | 76° |
| Low | 61° | 46° | 28° (1935) | 60° |
Rises at 5:12 AM with 14:56 of sunlight, then sets at 8:08 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.