With increasingly abundant rainfall, the month of July was characterized by a sustained and faster increase in flows in all compartments of the Niger basin causing some flooding in the lower Niger.
The filling of the Selingué reservoir in Mali and the Kainji reservoir in Nigeria began following the rhythm of the rains in the last dekad of July.
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

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