"Station: MANCHESTER AP, NH". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Retrieved May 18, 2021.
Official precipitation records for Manchester were kept at an undisclosed location in the area from February 1885 to June 5, 1948, Manchester–Boston Regional Airport (KMHT) from June 6, 1948, to March 31, 1967, another, possibly differing, undisclosed location from April 1, 1967, to March 31, 1998, and again at KMHT since April 1, 1998. Temperature records began in April 1885, while snowfall records began on November 22, 1902. There are significant gaps in data coverage before April 1998; for more information, see ThreadEx.