condition mean min max 2 h after light 0.08901256666666667 0.0 0.217812 6 h after light 0.15891866666666665 0.0 0.488336 10 h after light 0.1162395 0.0 0.279785 14 h after light 0.08435335 0.0 0.11251 18 h after light 0.12654611666666665 0.0 0.24233 2 h after dark 0.1732915 0.0 0.317027