condition mean min max 2 h after light 3.6067616666666664 2.50684 4.59162 6 h after light 2.5600366666666665 1.19356 4.25437 10 h after light 2.5660950000000002 1.26281 3.93204 14 h after light 2.767346 0.955046 4.63722 18 h after light 3.015395 1.87726 4.4635 2 h after dark 2.1831636666666667 0.581142 4.06215