condition mean min max 0 h after light 11.11695 10.6491 11.5848 2 h after light 7.412085 5.95166 8.87251 4 h after light 7.110985 6.64775 7.57422 8 h after light 10.195125 9.26125 11.129 12 h after light 13.135 12.8346 13.4354 2 h after dark 15.4636 14.3666 16.5606 4 h after dark 13.6439 11.6897 15.5981 8 h after dark 15.47155 15.319 15.6241 12 h after dark 12.41 11.0682 13.7518