but the rv park at least was fairly dependable ( although this year they had upgraded their bathhouse with a whole new set of restrooms and more shower stalls ) : he could buy his token ( up 25 cents from last year ) from the lady in the trailer office and get his five-minute hot shower , afterwards sitting on the bench under the cottonwoods to dry between his toes with luxurious calm , while the cool wind began its evening rush down into the basin .