The recent rains have generated flashbacks to the brutal weather that ravaged West Marin over the last few years: historic drought followed by repeated atmos-pheric rivers. But after several years of extremes, West Marin’s meteorological patterns so far this weather year have been close to normal—if such a thing exists any longer in the era of climate change.

Since July 1, when water districts start measuring annual rainfall, 21.7 inches of rain have fallen on…