condition mean min max 3 h after light 14.570766666666666 13.0023 16.6376 6 h after light 12.053046666666667 9.35824 15.0273 9 h after light 15.2934 13.4676 17.9109 12 h after light 21.456525 17.6595 24.5939 3 h after dark 19.9942 19.7841 20.3783 6 h after dark 19.8858 18.9777 21.0693 9 h after dark 15.771833333333333 14.219 18.4068 12 h after dark 17.17855 16.1477 18.2094