condition mean min max 2 h after light 9.101561666666667 3.37801 20.4742 6 h after light 14.147776666666667 5.57705 27.7866 10 h after light 14.642348333333333 6.56792 25.1618 14 h after light 13.37319 5.9077 23.3877 18 h after light 12.595925 1.98572 31.1884 2 h after dark 14.00261 4.01536 36.1854