Documentation of Sahelian rainfall at the local scale in order to analyse links between rainfall and the current vegetation, how does vegetation influence the location of rain fields ? This dataset is part of the AMMA-CATCH eco-hydrological observatory over West Africa Rainfall measurements collected over a network of daily reading raingauges, installed on a square of 10 km X 10 km (6 East-West lines of 10 km each, separated by 2 km from each other) located at the center of the Diantandou kori basin. The network is installed through a catena from the bottom of Dantiandou kori valley (Banizoumbou) to the Bani Kossey depression (10 km). The network is visited each day to record previous rainfall.