condition mean min max 4 h after light 3.2847866666666667 1.37423 4.51284 8 h after light 3.206923333333333 1.12719 4.85822 12 h after light 3.540923333333333 2.54203 5.33204 4 h after dark 7.37978 5.34762 8.5115 8 h after dark 6.12062 3.39406 8.18211 12 h after dark 3.9409899999999998 3.06468 4.83306