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| Today | Normal | Record | 6/14/2012 | |
|---|---|---|---|---|
| High | 86° | 88° | 98° (1971) | 93° |
| Low | 73° | 68° | 51° (1995) | 67° |
Rises at 5:38 AM with 14:23 of sunlight, then sets at 8:01 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.