condition mean min max 4 h after light 92.662969 90.088535 95.237403 8 h after light 151.19519250000002 118.868561 183.521824 12 h after light 95.738867 95.080178 96.397556 4 h after dark 65.270658 58.69022 71.851096 8 h after dark 19.9153355 14.669716 25.160955 12 h after dark 51.795707 51.795707 51.795707