condition mean min max 2 h after light 17.28705 10.9548 24.6319 6 h after light 12.792166666666667 11.114 14.9783 10 h after light 13.715815 9.09615 23.516 14 h after light 14.491283333333334 13.347 17.096 18 h after light 15.0842 10.6758 20.1011 2 h after dark 14.96265 12.0431 21.319