condition mean min max 0 h after light 16.6726 13.6945 19.6507 4 h after light 12.36937 9.57604 15.1627 8 h after light 10.25328 7.82736 12.6792 4 h after dark 8.828885 8.39109 9.26668 8 h after dark 13.08515 10.1826 15.9877 12 h after dark 12.687000000000001 10.0158 15.3582