"Station: Caribou Muni AP, ME". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Archived from the original on August 7, 2023. Retrieved May 23, 2021.
"Station: Caribou Muni AP, ME". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Archived from the original on August 7, 2023. Retrieved May 23, 2021.