condition mean min max 0 h after light 14.27575 12.3554 16.1961 2 h after light 13.98535 13.7684 14.2023 4 h after light 13.216149999999999 12.2708 14.1615 8 h after light 13.888449999999999 12.7401 15.0368 12 h after light 17.980649999999997 16.3738 19.5875 2 h after dark 17.67405 17.1813 18.1668 4 h after dark 15.49185 14.9697 16.014 8 h after dark 19.817149999999998 18.2755 21.3588 12 h after dark 15.173 14.5435 15.8025