GPM Precipitation Data on Maria (IMAGE) NASA/Goddard Space Flight Center Caption The GPM core observatory satellite flew over Maria on Sept. 25, 2017, at 9:28 p.m. EDT (Sept. 26, 2017, at 0128 UTC) and saw the western side of the hurricane was drier and contained much less precipitation than the eastern side. DPR found a few convective storms within Maria dropping rain at a rate of less than 2 inches (51 mm) per hour. 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.