I grew up in a place where people would talk about "that one storm in '62" (year made up) or even further back, either from direct experience or retelling an ol

I grew up in a place where people would talk about "that one storm in '62" (year made up) or even further back, either from direct experience or retelling an older generation's story. Given the bay area's high flux of people in and out, how many people have lived there long enough for generational knowledge of the weather 50 or 100 years ago to exist?