The month of June marks the beginning of another hydrological year in the Niger Basin. Some rainfall was recorded in parts of the Basin resulting in the end of low water and the beginning of a gradual increase in flows throughout the basin.
The Sélingué water reservoir in Mali and Kainji water reservoir in Nigeria continue to release water to support the downstream flow.
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 of Niger Basin Authority. (NBA)
The flow analysis situation was carried out by dividing the basin into three (4) sub-catchments also represented with reference gauging stations as follows: Upper Niger at Koulikoro (Mali), Inland Delta at Dire (Mali), Middle Niger at Niamey (Niger) and Lower Niger at Lokoja (Nigeria)

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