condition mean min max 0 h after light 10.5258 10.3164 10.7352 2 h after light 2.78826 1.72039 3.85613 4 h after light 1.366105 1.04696 1.68525 8 h after light 4.601815 4.25653 4.9471 12 h after light 8.005455 6.20933 9.80158 2 h after dark 8.3643 5.7668 10.9618 4 h after dark 8.73911 8.56507 8.91315 8 h after dark 13.4528 12.7486 14.157 12 h after dark 8.78607 7.69929 9.87285