The hydrological situation in February was characterized by a continued decline in flows across the entire basin.
However, low water levels continued in the Upper and Lower Niger sub-basins. The Guinean flood has begun to recede in the Middle Niger sub-basin.
The release of the Sélingué dam in Mali is gradually continuing to support downstream flows, while the Kainji dam has reached its full 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 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)

Dowload the February 2025 Monthly Bulletin

The hydrological situation in the Niger basin during the month of January was characterized by a continued decline in flows across the entire basin with an exception of middle Niger sub-basin where the Guinean flood is still rising.
Also, a situation of low water has commenced at both the Upper Niger and Lower Niger sub-basins.
The Selingué dam in Mali have begun gradual releases to support downstream flows while Kainji dam in Nigeria is still in the stage of spilling.
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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The month of October marks the end of the rainy season and the beginning of the Guinean flood in the sub-basins of the Inner Delta at Diré station (Mali) and the Middle Niger at Niamey station (Niger).  This flood has not yet reached its maximum in the Inner Delta while at the level of the sub-basins of the Upper Niger in Koulikoro (Mali) and the Lower Niger in Lokoja (Nigeria), the decline in flow has started since the end of the month of September 2024.
The filling of the Selingué reservoir in Mali and the Kainji reservoir in Nigeria has both reached maximum reservoir capacity level in October.
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)

Download the October 2024 Monthly Bulletin

The rise in water levels continued during the month of September in all compartments of the Niger basin with some flooding situations causing some casualties in the Middle and Lower Niger sub-basins.
The filling of the Selingué reservoir in Mali and the Kainji reservoir in Nigeria is in gradual continuation.
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)

At the Sélingué dam in Mali, the maximum water level of 348.19 m corresponding to a volume of 1.99 billion m3 was recorded on the 30th of September 2024 while the minimum level of 345.27 m corresponding to a volume of 1.03 billion m3 was recorded on the 1st of September 2024.
The volume of reservoir as at 30th of September 2024 was 1.99 billion m3 corresponds to a filling rate of 85.13% of the normal capacity.
This volume (1.99 billion m3) is lower than the year 2023 (2.02 billion m3), the inter-annual mean (2.05 billion m3) but higher than the year 2022 (1.94 billion m3) during the same period

Download the September 2024 Monthly Bulletin

The rise in water levels continued during the month of August in all compartments of the Niger basin with some flooding situations in the Middle and Lower Niger sub-basins.
The filling of the Selingué reservoir in Mali and the Kainji reservoir in Nigeria is in gradual continuation
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)

Download August 2024 Monthly Bulletin

The month of July was marked by an increase in rainfall in all parts of the Niger Basin, leading to an increase in run-off on the main artery of the River Niger and its tributaries.
The Sélingué dam in Mali and the Kainji dam in Nigeria began to fill up in line with the rainfall recorded in the sub-basins concerned.
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)

The hydrological situation in July 2024 was characterized by a continued rise and increase in flow in all compartments of the Niger basin following the full onset of the rainy season throughout the River Niger basin.
The Sélingué reservoir in Mali and the Kainji reservoir in Nigeria began to fill up in line with the rainfall recorded in the sub-basins concerned.

Download the July 2024 Monthly Bulletin