condition mean min max 0 h after light 0.17876999999999998 0.16486 0.19268 4 h after light 0.178807 0.16798 0.189634 8 h after light 0.110307 0.108736 0.111878 4 h after dark 0.2026055 0.108369 0.296842 8 h after dark 0.135762 0.109157 0.162367 12 h after dark 0.2597811 0.0805262 0.439036