condition mean min max 0 h after light 22.143900000000002 18.8934 25.3944 2 h after light 9.91588 9.83753 9.99423 4 h after light 12.1269 11.2431 13.0107 8 h after light 14.5402 13.0896 15.9908 12 h after light 12.16455 11.161 13.1681 2 h after dark 13.7113 13.1343 14.2883 4 h after dark 17.688299999999998 17.2428 18.1338 8 h after dark 25.04795 23.5309 26.565 12 h after dark 21.9934 19.2073 24.7795