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| Today | Normal | Record | 5/23/2012 | |
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| High | 70° | 70° | 88° (1967) | 71° |
| Low | 48° | 46° | 32° (1949) | 46° |
Rises at 6:01 AM with 15:14 of sunlight, then sets at 9:15 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.