California Water Map (image) University of California - Riverside Share Print E-Mail Caption Scientists at the University of California, Riverside predict California will get an average of 12 percent more precipitation through the end of this century, compared to the last 20 years of last century. Credit UC Riverside Strategic Communications. Usage Restrictions None Share Print E-Mail 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.