condition mean min max 2 h after light 0.21525335 0.0568431 0.435744 6 h after light 0.1772207 0.0529942 0.293601 10 h after light 0.45264 0.10022 0.894046 14 h after light 0.3912792666666667 0.0613376 0.721345 18 h after light 0.33381700000000003 0.196739 0.553749 2 h after dark 0.3526491666666667 0.125251 0.582775