Station: Clarksburg Benedum AP, WV. U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. [2021-06-13]. (原始内容存档于2021-06-24).
Station: Clarksburg 1, WV. U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. [2021-06-13]. (原始内容存档于2021-06-13).
Station: Clarksburg Benedum AP, WV. U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. [2021-06-13]. (原始内容存档于2021-06-24).
Station: Clarksburg 1, WV. U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. [2021-06-13]. (原始内容存档于2021-06-13).