condition mean min max 0 h after light 11.9671 11.6661 12.2681 2 h after light 9.24007 8.55174 9.9284 4 h after light 7.0661950000000004 6.96482 7.16757 8 h after light 20.5965 17.7904 23.4026 12 h after light 11.035350000000001 10.2112 11.8595 2 h after dark 8.11673 6.86604 9.36742 4 h after dark 8.54529 7.90322 9.18736 8 h after dark 10.79615 10.0041 11.5882 12 h after dark 14.19565 13.7503 14.641