condition mean min max 3 h after light 0.497672 0.0 1.02922 6 h after light 0.0 0.0 0.0 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 0.09978233333333332 0.0 0.299347 9 h after dark 0.3857276666666667 0.0 0.644341 12 h after dark 0.138622 0.0 0.415866