FIG. 12: Standardized anomalies of June-September precipitation from the base period of 1950-1990: (a) over North Africa during 1995 and (b) averaged over the Western Sahel for each of the 1950-1995 seasons. In panel a), horizontal hatching indicates totals exceeding one standard deviation above normal, while dotted shading indicates totals more than one standard deviation below normal. Station locations are indicated by the dots. The dark curve indicates the Western Sahel region (Landsea et al. 1997). Yearly values in panel b) are the average of the available station anomalies from a possible 38 stations.