condition mean min max 3 h after light 0.420471 0.16879 0.729307 6 h after light 0.0 0.0 0.0 9 h after light 0.103265 0.0 0.178314 12 h after light 0.054533200000000004 0.0 0.165141 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 0.06019255 0.0526441 0.067741