condition mean min max 0 h after light 0.2525775 0.247648 0.257507 4 h after light 0.365446 0.304361 0.426531 8 h after light 0.530114 0.377462 0.682766 4 h after dark 0.724466 0.589057 0.859875 8 h after dark 0.42769250000000003 0.388739 0.466646 12 h after dark 0.263414 0.164583 0.362245