condition mean min max 4 h after light 11.15765 10.1587 12.1566 8 h after light 8.995840000000001 8.96621 9.02547 12 h after light 11.40095 11.181 11.6209 4 h after dark 16.65526666666667 15.9609 17.1931 8 h after dark 14.7324 14.0684 15.0748 12 h after dark 13.324166666666667 12.3662 14.2018