condition mean min max 4 h after light 115.1400035 93.539783 136.740224 8 h after light 161.6741395 151.18569 172.162589 12 h after light 148.0559675 143.30898 152.802955 4 h after dark 190.240439 139.188511 241.292367 8 h after dark 183.9650155 125.48609 242.443941 12 h after dark 130.674793 130.674793 130.674793