Station: Atkinson 3SW, NE. U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. [2021-11-27]. (原始内容存档于2024-11-30).
Station: Atkinson 3SW, NE. U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. [2021-11-27]. (原始内容存档于2024-11-30).