condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.26296766666666666 0.0 0.788903 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 0.0 0.0 0.0 12 h after dark 0.4185786666666667 0.0 0.655236