condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.074694 0.0 0.224688 14 h after light 0.08947816666666666 0.0 0.418401 18 h after light 0.1120003 0.0 0.583826 2 h after dark 0.0 0.0 0.0