"Station: Columbia RGNL AP, MS". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Retrieved July 21, 2021.
"Station: Kansas City Downtown AP, MO". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Retrieved July 27, 2021.
"Station: Kansas City INTL AP, MO". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Retrieved July 27, 2021.
"Station Name: MO ST LOUIS LAMBERT INTL AP". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Retrieved July 22, 2021.
"Station: Springfield, MO". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Retrieved August 2, 2021.
rcc-acis.org
threadex.rcc-acis.org
Official records for Kansas City kept at downtown/Weather Bureau Office from July 1888 to December 1933; Downtown Airport from January 1934 to September 1972; and Kansas City Int'l since October 1972. For more information see ThreadEx.
Official records for Springfield were kept at downtown from January 1888 to December 1939, Downtown Airport from January 1940 to July 1940, and at Springfield–Branson National Airport since August 1940. For more information, see ThreadEx.