condition mean min max 4 h after light 4.435013333333333 2.05675 7.1517 8 h after light 3.2648196666666665 0.809829 5.62182 12 h after light 3.9496599999999997 2.24695 5.82255 4 h after dark 6.54207 4.27308 8.78002 8 h after dark 5.495876666666667 3.83081 7.37823 12 h after dark 4.397 3.63168 4.92363