condition mean min max 3 h after light 0.5154816666666667 0.209767 1.08616 6 h after light 0.318307 0.13837 0.6602 9 h after light 0.6189819999999999 0.0 1.03049 12 h after light 1.37117 1.12694 1.60864 3 h after dark 2.7885223333333333 0.578037 5.13351 6 h after dark 1.0848043333333333 0.676947 1.82222 9 h after dark 1.248929 0.927797 1.74854 12 h after dark 1.020676 0.849472 1.31662