Figure 1

Seasonal rainfall in Banizoumbou, Niger 1997-2008. The mean total rainfall for each two-week period is shown in blue, and the standard deviation of bi-weekly rainfall is shown in red.
Seasonal rainfall in Banizoumbou, Niger 1997-2008. The mean total rainfall for each two-week period is shown in blue, and the standard deviation of bi-weekly rainfall is shown in red.