condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.02778536666666667 0.0 0.0833561 12 h after light 0.0 0.0 0.0 3 h after dark 0.030874766666666668 0.0 0.0926243 6 h after dark 0.0 0.0 0.0 9 h after dark 0.03267213333333333 0.0 0.0980164 12 h after dark 0.0 0.0 0.0