condition mean min max 4 h after light 0.268959 0.209494 0.328424 8 h after light 0.2189125 0.15273 0.285095 12 h after light 0.609911 0.52344 0.696382 4 h after dark 2.17736 2.02891 2.32581 8 h after dark 1.2598449999999999 1.16925 1.35044 12 h after dark 0.6806045000000001 0.640504 0.720705