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Mostly cloudy and cooler
| Today | Normal | Record | 5/23/2012 | |
|---|---|---|---|---|
| High | 73° | 76° | N/A | 76° |
| Low | 46° | 56° | 47° (2006) | 59° |
Rises at 6:18 AM with 14:27 of sunlight, then sets at 8:45 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.