condition mean min max 0 h after light 0.19209775 0.0852585 0.298937 4 h after light 0.23749265000000003 0.0840603 0.390925 8 h after light 0.2374481 0.0843502 0.390546 4 h after dark 0.2517835 0.209337 0.29423 8 h after dark 0.29513049999999996 0.293892 0.296369 12 h after dark 0.147611 0.124934 0.170288