Not Your Father's Rain Gauge (IMAGE) USDA Forest Service - Northern Research Station Caption Nicholas Grant, a hydrologist with the US Forest Service, is pictured programming a NOAH IV Total Precipitation Gauge to collect and store total precipitation data every 15 minutes. Credit Ian Halm, U.S. Forest Service 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.