condition mean min max 4 h after light 120.369861 42.430742 198.30898 8 h after light 188.184928 184.650421 191.719435 12 h after light 186.4251445 154.387463 218.462826 4 h after dark 145.40651200000002 133.556157 157.256867 8 h after dark 113.9826755 101.811804 126.153547 12 h after dark 79.627889 79.627889 79.627889