condition mean min max 0 h after light 6.6618 0.0 13.3236 2 h after light 25.11565 17.3671 32.8642 4 h after light 16.68355 11.8427 21.5244 8 h after light 11.496345 1.36799 21.6247 12 h after light 70.25005 44.5645 95.9356 2 h after dark 43.10075 25.8897 60.3118 4 h after dark 10.57099 2.55328 18.5887 8 h after dark 19.80725 15.963 23.6515 12 h after dark 8.923535 3.31497 14.5321