condition mean min max 4 h after light 2.3324546666666666 0.673534 4.9108 8 h after light 1.5920996666666667 0.693479 2.41632 12 h after light 1.466529 0.804477 2.03618 4 h after dark 2.09305 1.55057 2.39996 8 h after dark 1.61704 1.5423 1.73178 12 h after dark 1.50216 1.063 1.91131