condition mean min max 0 h after light 1.36606 1.06622 1.6659 4 h after light 1.9338600000000001 1.36873 2.49899 8 h after light 2.9703999999999997 2.87341 3.06739 4 h after dark 1.9133 1.54523 2.28137 8 h after dark 1.5554999999999999 1.42473 1.68627 12 h after dark 2.03734 1.71783 2.35685