condition mean min max 4 h after light 12.407347999999999 12.221302 12.593394 8 h after light 10.7699645 9.855837 11.684092 12 h after light 14.9877355 12.509945 17.465526 4 h after dark 10.350046500000001 10.322713 10.37738 8 h after dark 13.4045665 12.349853 14.45928 12 h after dark 14.577886 14.577886 14.577886