N
E
S
W
| Today | Normal | Record | 5/23/2012 | |
|---|---|---|---|---|
| High | 97° | 90° | 105° (2005) | 99° |
| Low | 69° | 62° | 45° (1975) | 72° |
Rises at 6:05 AM with 13:56 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.