condition mean min max 0 h after light 11.0181 10.7656 11.2706 4 h after light 8.366405 5.42691 11.3059 8 h after light 3.82003 3.3711 4.26896 4 h after dark 11.182485 8.40917 13.9558 8 h after dark 13.3535 12.563 14.144 12 h after dark 14.02735 13.5709 14.4838