condition mean min max 0 h after light 0.503856 0.366025 0.641687 4 h after light 0.412027 0.372953 0.451101 8 h after light 0.2302535 0.181063 0.279444 4 h after dark 0.2701455 0.269613 0.270678 8 h after dark 0.45251050000000004 0.450612 0.454409 12 h after dark 0.539343 0.27415 0.804536