McQuill, Thursty (1884). The Hudson River by Daylight. Bryant Literary Union. p. 40. Archived from the original on September 30, 2023. Retrieved November 14, 2019.
"Station: Poughkeepsie Dutchess CO AP, NY". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Archived from the original on May 24, 2021. Retrieved May 24, 2021.
McQuill, Thursty (1884). The Hudson River by Daylight. Bryant Literary Union. p. 40. Archived from the original on September 30, 2023. Retrieved November 14, 2019.
"Station: Poughkeepsie Dutchess CO AP, NY". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Archived from the original on May 24, 2021. Retrieved May 24, 2021.