condition mean min max 2 h after light 1.5819301666666667 0.836194 2.97338 6 h after light 2.71512 1.48532 5.36955 10 h after light 1.5030833333333333 1.09803 1.9163 14 h after light 1.852774 0.922841 2.97891 18 h after light 2.009785 1.09787 2.79682 2 h after dark 1.0590653333333333 0.576856 1.66679