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 0.031827266666666666 0.0 0.0954818 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0184833 0.0 0.0554499 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0