Hydrological Information System (HIS)

The hydrological situation of January 2021 is characterized by the continuation of low water levels in the Upper and in the Lower Niger; while the Guinean flood began to decline in mid-January in Middle Niger in Niamey. As for the structuring dams of Selingué in Mali and Kainji in Nigeria, they (...)

The black flood has reached its peak in the Inner Delta at Dire but continue to rise in the Middle Niger at Niamey hydrometric station, while low flow situation continued at the Upper and Lower Niger sub-catchments This Guinean flood is still ongoing and has not reached its maximum at Niamey (...)

.The flow recession that started since the beginning of October 2020 continues in most of the Niger basin, with increasingly marked low water levels in Upper and Lower Niger. On the other hand, the Guinean flood continues to rise in November in the Inner Delta and Middle Niger. The reservoirs (...)

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 (...)

The hydrographs of the flood at the Upper Niger, the Inland Delta and the Lower Niger are characterized by a single crest while in the Middle Niger it is characterized by two peaks, namely that of the local flood and the Guinean flood. This peculiarity of Middle Niger observed at the (...)

The month of September was characterized by continued flooding in the Inner Delta and Lower Niger. However, there is a beginning of the recession in the Upper Niger and Middle Niger sub-basins, thus marking the beginning of the end of the rainy season. The peak flow of the exceptional local (...)

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 (...)

The month of July was characterized by the continued rise in flows over the entire Niger basin due to rainfall recorded in July in all compartments of the river. The average monthly flows recorded show very high hydraulicities in the sub-basins of Middle Niger and Lower Niger. At the level of (...)

The month of June 2020 was characterized by the commencement of rainy season across the entire Niger River basin. The hydrological flow situation during this month of June was characterized by a low flow situation at the Upper Niger, the Inland Delta and the Lower Niger, but the situation was (...)

The 2019/2020 hydrological year in the Niger Basin was in deficit at the Upper Niger, average at the Inner Delta and wet at the Middle Niger and the Lower Niger. The average flow situation observed at the Inner Niger Delta was due to the inflows from the tributary Bani in Côte d’Ivoire and Mali. (...)