condition mean min max 0 h after light 18.3813 17.5992 19.1634 2 h after light 25.11965 23.5744 26.6649 4 h after light 14.1463 13.7791 14.5135 8 h after light 6.729105000000001 6.71631 6.7419 12 h after light 12.7033 12.5387 12.8679 2 h after dark 8.094045 7.45787 8.73022 4 h after dark 5.036215 4.36624 5.70619 8 h after dark 10.53055 10.2571 10.804 12 h after dark 19.88945 18.4989 21.28