condition mean min max 0 h after light 0.587058 0.552568 0.621548 4 h after light 0.3094405 0.125117 0.493764 8 h after light 0.24438695 0.0624979 0.426276 4 h after dark 0.908615 0.848631 0.968599 8 h after dark 0.5860965 0.492538 0.679655 12 h after dark 0.3929475 0.186111 0.599784