condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02592773333333333 0.0 0.0777832 12 h after light 0.04035266666666667 0.0 0.121058 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0