condition mean min max 0 h after light 14.04065 13.6991 14.3822 2 h after light 15.3478 14.4742 16.2214 4 h after light 13.90795 12.7985 15.0174 8 h after light 15.8161 15.4103 16.2219 12 h after light 21.8535 21.7671 21.9399 2 h after dark 21.78865 21.7665 21.8108 4 h after dark 18.4687 17.9637 18.9737 8 h after dark 18.1794 16.6784 19.6804 12 h after dark 14.6966 14.2203 15.1729