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Tableau 6

Ruptures des indices d’extrêmes pluviométriques de la période 1981-2015. Breakpoints of the extreme rainfall indices of the period 1981-2015.

Postes pluviométriques P10 P20 P50 P95p P99p
Zone sahélienne
Barsalogho 1990 1998* 1987; 1993* 2000* 2000* -
Bourzanga - - 1997* 1997* -
Tougouri - - 1995*; 2011 2010 2006
Zone soudano-sahélienne
Boussouma 2004 2002; 2004* 2005 2005 2005

Le signe * signifie que la rupture est significative à 90% selon le résultat du test de Pettitt (1979). The sign * means that the breakpoint is significant to 90% according the result of Pettitt test ((1979).

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