condition mean min max 0 h after light 10.924900000000001 9.7851 12.0647 4 h after light 11.84585 10.1423 13.5494 8 h after light 11.583400000000001 11.4184 11.7484 4 h after dark 14.567250000000001 14.5385 14.596 8 h after dark 15.8767 14.8267 16.9267 12 h after dark 10.65685 10.5395 10.7742