The month of August was characterized by continued rise in flow throughout the entire Niger basin. During the middle of August 2020, the flow at Middle Niger recorded an exceptional local flood resulting from heavy rainfall and inflows from the main tributaries of the right bank river Niger (Gorouol, Dargol, Sirba, Diamangou, Mékrou, Alibori and Sota).
At the level of the structuring dams of Sélingué in Mali and Kainji in Nigeria, the filling of reservoirs has started because of the contribution from rainfall seasons.
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) sub-catchments also represented with reference gauging 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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