condition mean min max 0 h after light 10.387139999999999 8.70258 12.0717 2 h after light 7.480585 7.41472 7.54645 4 h after light 7.222685 7.09495 7.35042 8 h after light 5.848644999999999 5.00882 6.68847 12 h after light 8.18761 7.46222 8.913 2 h after dark 8.97058 8.663 9.27816 4 h after dark 9.304145 8.76104 9.84725 8 h after dark 12.39625 11.7155 13.077 12 h after dark 11.129535 9.54657 12.7125