condition mean min max 4 h after light 10.829137 9.877681 11.780593 8 h after light 11.0668565 10.659063 11.47465 12 h after light 9.6260625 8.842629 10.409496 4 h after dark 9.1526155 8.486587 9.818644 8 h after dark 10.533804499999999 10.513755 10.553854 12 h after dark 9.508784 9.508784 9.508784