condition mean min max 0 h after light 11.7447 10.433 13.0564 2 h after light 2.2202599999999997 2.02262 2.4179 4 h after light 2.274355 1.77795 2.77076 8 h after light 7.49325 6.92403 8.06247 12 h after light 10.68685 10.0039 11.3698 2 h after dark 9.46351 9.28452 9.6425 4 h after dark 11.6974 10.0697 13.3251 8 h after dark 15.28355 13.7771 16.79 12 h after dark 12.30815 11.3508 13.2655