condition mean min max 4 h after light 2.082985 1.60185 2.56412 8 h after light 3.06675 2.82228 3.31122 12 h after light 2.917835 2.74932 3.08635 4 h after dark 3.9094599999999997 3.69528 4.28846 8 h after dark 2.81449 2.68551 2.90389 12 h after dark 2.3912266666666664 2.23818 2.54825