condition mean min max 4 h after light 5.59811 5.52303 5.67319 8 h after light 4.909644999999999 4.35563 5.46366 12 h after light 6.533799999999999 5.97107 7.09653 4 h after dark 8.465005 8.00798 8.92203 8 h after dark 8.11992 7.58749 8.65235 12 h after dark 7.17492 6.85111 7.49873