Fig. 2

Source: Data from direction Générale de Météorologie, Burkina Faso
Variability of rainfall from 1961 to 2012 at Ouahigouya in the northern region of Burkina Faso
Source: Data from direction Générale de Météorologie, Burkina Faso
Variability of rainfall from 1961 to 2012 at Ouahigouya in the northern region of Burkina Faso