condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.009262766666666667 0.0 0.0277883 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.009863466666666666 0.0 0.0295904 12 h after dark 0.0 0.0 0.0