The stereotypical San Franciscan gets up at 7am, wears business-casual to work, and his or her hobbies include biking and wine/food. The stereotypical New Yorker gets up at 9am, wears a suit to work, and his or her hobbies include alcoholism and chain smoking.
I'm joking, but only kind of. I spent this summer working in both NYC and the Bay area and it was like a night and day difference. NYC is so much more hierarchical, image conscious and anxiously intense.