The month of October 2020 marks the end of rainy season in the entire Niger River basin. There is decline in flows that began at the beginning of October in the Upper Niger and Lower Niger, this continues at all the stations in these part of the basin.
While at the Inner Delta and the Middle Niger, the water level is rising due to the arrival of Black flood (Guinea Flood). The reservoirs of Sélingué in Mali and Kainji in Nigeria have reached the normal filling level.
The data used for the various analyses below came from hydrological observation networks of the National Hydrological Services and Dam Authorities of nine (9) member countries.
The flow analysis situation was carried out by dividing the basin into four (4) subcatchments also represented with referencegauging stations as follows: Upper Niger at Koulikoro (Mali), Inland Delta at Dire (Mali), Middle Niger in Niamey (Niger) and Lower Niger at Lokoja (Nigeria)

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