"Station: Dowagiac 1 W, MI". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 7 June 2024. Retrieved 4 September 2021.
"Station: Dowagiac 1 W, MI". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 7 June 2024. Retrieved 4 September 2021.