condition mean min max 0 h after light 17.6352 12.4565 22.8139 2 h after light 9.338135 7.77887 10.8974 4 h after light 11.18617 9.36924 13.0031 8 h after light 10.754000000000001 10.0241 11.4839 12 h after light 10.827795 9.09869 12.5569 2 h after dark 12.492650000000001 12.491 12.4943 4 h after dark 13.681650000000001 12.7478 14.6155 8 h after dark 20.31485 18.249 22.3807 12 h after dark 18.5524 14.8508 22.254