You can see from the long GPCC timeseries that the 1920s to mid-30s and 1950s to mid-60s were the wettest periods in the W/C. Sahel, while the 1970s to early 1990s was the driest. Since then we have seen a slow/steady recovery to wetter, particularly since 2008. pic.twitter.com/sJ4DEokFPR

— Yaakov Cantor (@yconsor) May 4, 2023