Driven by another year of below-average rainfall, national weather experts predict a drought on the East Coast will persist for months. Take a look back at the worst droughts in U.S. history.
2008-11 California Drought -- Former Gov. Arnold Schwarzenegger's official drought declaration in 2008 was the state's first since 1991. Extreme water restrictions resulted, and billions of agricultural losses were reported, particularly in the San Joachin Valley.