Since 1885 this has occurred in 1886–1887, 1889–1890, 1916–1917, 1950, 1955, 1974–1977, and 1999-2001, with the highest flood of 6 m (20 ft) in 1974.
Tangu 1885 hii imetokea mnamo 1886-1887, 1889-1890, 1916-1917, 1950, 1955, 1974-1977, na 1999-2001, na mafuriko ya juu zaidi ya 6 m (20 ft) mnamo 1974.