IMERG Data Showing Extreme Rainfall Over Western US (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption The IMERG analysis from June 20 through 26, 2016 showed that extreme rainfall that fell over the western United States from Jan. 17 to 24, 2017. Rainfall totals of over 9 inches (228.6 mm) were shown in red in some areas. Credit Credits: NASA/SSAI, Hal Pierce 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.