condition mean min max 0 h after light 9.44585 8.8868 10.0049 4 h after light 10.73885 10.1805 11.2972 8 h after light 10.368089999999999 9.88068 10.8555 4 h after dark 13.2009 13.102 13.2998 8 h after dark 12.34315 11.516 13.1703 12 h after dark 11.0272 10.3963 11.6581