condition mean min max 4 h after light 5.533446666666666 4.0272 7.59748 8 h after light 3.36699 1.32818 4.57039 12 h after light 4.52947 2.23565 6.65733 4 h after dark 1.4233266666666666 1.06591 1.83274 8 h after dark 1.58208 1.27136 1.75578 12 h after dark 12.2488 10.343 15.7525