IMERG Rainfall Totals from Irma (IMAGE) NASA/Goddard Space Flight Center Caption From Sept. 5-12, 2017, NASA's IMERG calculated heavy rain along Irma's path across the Atlantic Ocean. Rainfall totals were often greater than 6 inches (152.5 mm) around Irma. The greatest IMERG rainfall estimates were indicated by more than 20 inches (512 mm) over Cuba. Credit Credits: NASA/JAXA, Hal Pierce 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.