Hydrological Information System (HIS)

The hydrological flow situation from November 1st to 30th, 2021 in Upper Niger was characterized by a recession due to onset of dry season. On the other hand, in the Inner Delta, the Middle Niger and Lower Niger all experienced moderate increased in flows under the influence of the Guinean (...)

The hydrological flow situation from October 1st to 31st, 2021 in Upper and Lower Niger were characterized by a recession due to the end of the rainy season. On the other hand, in the Inner Delta and the Middle Niger we are witnessing a continued rise in flows under the influence of the Guinean (...)

The water level of the river began to drop during the month of September, following the end of the rainy season. Both the interior delta and the middle Niger experienced an increase in water levels due to upstream inflows and tributaries from the right bank of Burkina Faso. The filling of the (...)

The month of August saw an increase in rainfall in all compartments of the Niger basin. As a result, the river’s water level rose sharply causing flooding, especially in the lower Niger. The hydrological situation during this month was characterized by the continued rise in water levels in all (...)

This month of July was marked by a low hydraulicity in the Upper Niger and Inner Delta sub-basins due to the low rainfall recorded. While very high runoff coefficients were recorded in the sub-basins of the Middle Niger at the Niamey station and the Lower Niger at the Lokoja station. The (...)

In summary, the 2020/2021 hydrological year was characterized by some excessive flows causing flooding in the Middle and Lower Niger of the Niger Basin with heights that has never been recorded for more than 100 years. These floods caused loss of lives, properties and thousands of people were (...)

The month of June marks the starting of hydrological year in the Niger Basin. The commencement of the rainy season was timid, especially during the first decade of June, but the situation improved during the last decade of the month with a rise in flows over the entire basin as a result of (...)

The month of May marks the end of hydrological year 2020/2021. The flow situation during the month of May 2021 was characterized by a low flow situation in the entire Niger Basin catchment areas. However, some localized rainfall was recorded in some parts of the basin. Reservoir water (...)

The flow situation during the month of April 2021 was characterized by a low flow situation in the entire Niger Basin catchment areas. However, some localized rainfall was recorded in some parts of the basin in particular at the Upper and Lower Niger sub-basins. Reservoir water releases from (...)

The flow situation during the month of March 2021 was characterized by a low flow situation in the entire Niger Basin catchment areas. Reservoir water releases from Selingué Dam in Mali as well as Kainji and Jebba Dams in Nigeria are on- going to support downstream low (...)