IMERG Rainfall Totals from Mangkhut (IMAGE) NASA/Goddard Space Flight Center Caption The NASA analysis showed IMERG rainfall estimates over the western Pacific Ocean during the period from Sept. 11-17, 2018. Rainfall totals above 300 mm (11.8 inches) were often indicated along Mangkhut's path. The highest rainfall accumulation estimates of over 700 mm (27.6 inches) were shown by IMERG south of Mangkhut's track in the Philippine Sea. Credit 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.