List of tide level data of the Japanese Imperial Land Survey

 Data are accessible for those recorded at these stations up to 1924. The file format is text (.day, .mon, .tdb). It will be downloaded automatically depending on the browser settings, so please be careful.
 

Tide station	Daily mean sea level				Monthly mean sea level	Annual mean sea level
Kushimoto	1894-1899	1900-1909	1910-1919	1920-1924	1894-1924	1894-1924
Fukahori	1894-1899	1900-1909	1910-1919	1920-1924	1894-1924	1894-1924
Sotoura	1894-1899	1900-1909	1910-1919	1920-1924	1894-1924	1894-1924
Ayukawa	1894-1899	1900-1909	1910-1919	1920-1924	1894-1924	1894-1924
Iwasaki	1894-1899	1900-1909	1910-1919	1920-1924	1894-1924	1894-1924
Hanasaki	1896-1899	1900-1909	1910-1919	1920-1924	1896-1924	1896-1924