US Drought Monitor - California (IMAGE) Arizona State University Caption Drought intensities during the 2012-2015 period and highlighting October 2015, when the drought was at its most severe and water was most scarce. Credit University of Nebraska Lincoln Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.