Indoor rainfall observations were conducted at the Environmental Protection Agency (EPA) Fluid Modeling Facility (FMF) laboratory (35.887°N, 78.841°W, 123 meters above sea level), which is located 3.2 miles east of the EPA Research Triangle Park (RTP) campus in Durham, North Carolina. For the outdoor rainfall collection another Parsivel2 disdrometer was installed on the EPA RTP campus (35.881°N, 78.871°W, 98 meters above sea level) in Durham, North Carolina, US. A total of ten daily rainfall events were collected from June 5 to July 29, 2024.