condition mean min max 0 h after light 11.03815 10.7951 11.2812 2 h after light 8.88329 7.56408 10.2025 4 h after light 8.01586 7.83285 8.19887 8 h after light 9.36561 8.49512 10.2361 12 h after light 12.95505 11.9597 13.9504 2 h after dark 14.19875 13.2272 15.1703 4 h after dark 11.549949999999999 11.1438 11.9561 8 h after dark 13.84105 13.7461 13.936 12 h after dark 12.16235 11.4567 12.868