condition mean min max 0 h after light 2.237415 1.73689 2.73794 2 h after light 2.491615 1.98855 2.99468 4 h after light 2.16822 2.06739 2.26905 8 h after light 2.493455 2.37031 2.6166 12 h after light 1.864925 1.48698 2.24287 2 h after dark 2.67837 2.29133 3.06541 4 h after dark 3.45476 3.09379 3.81573 8 h after dark 3.47 2.89325 4.04675 12 h after dark 3.42708 2.71485 4.13931