National Drought Mitigation Center / U.S. Forest Service / Climate Center / Precipitation National Weather Service / Hydrologic Remote Sensing Center / North Central Climate Science Center / National Oceanic and Atmospheric Administration / USDA / South Dakota State University / High Plains Regional Climate Center / U.S. Department of Agriculture / U.S. Army Corps of Engineers / /
western U.S. / central Kansas / northwestern Colorado / southwestern Wyoming / western Colorado / eastern North Dakota / southeastern Kansas / western Minnesota / northern South Dakota / eastern Colorado / southern Wyoming / central Wyoming / /