condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.14984146666666667 0.0983364 0.186307 9 h after light 0.090206 0.0703429 0.122792 12 h after light 0.0590747 0.0 0.102621 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.042176 0.0 0.126528