This work has been funded by the German Federal Ministry of Education and Research (BMBF) as part of the West African Science Service Center on Climate Change and Adapted Land Use (WASCAL) research project. The authors thank the Burkina Faso General Directorate of Meteorology (DGM), which provided the climate data, as well as the AGRHYMET Regional Center in Niamey, Niger, and the Burkina Faso National Agricultural Statistic Division for providing rainfed crop production. We thank A. J. Challinor from the University of Leeds for his suggestions to improve the quality of the manuscript. Discussions with Zoungrana Bernadin (AGRHYMET, Niger) and Ouedraogo Abdoul Karim (FEWS Net, Burkina Faso) about rainfed maize production data availability and quality control are highly appreciated.
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