condition mean min max 3 h after light 10.771043333333333 8.26713 12.414 6 h after light 7.089683333333333 4.47317 9.40612 9 h after light 5.807493333333333 4.66289 7.00393 12 h after light 11.8170275 6.56879 21.7828 3 h after dark 13.963266666666666 10.9483 15.9683 6 h after dark 15.0466 13.1202 17.9202 9 h after dark 14.4815 11.5906 16.4124 12 h after dark 17.710099999999997 16.3223 19.0979