[["Barcelona","25,6","31,8","30,9","23,5","24,9","26,7","29,8"],["Besòs","24,8","24,7","27,7","20,3","20,7","22,3","25,9"],["Delta","18,4","18,3","24,1","16,3","15,9","15,4","21,2"],["Llobregat continu","20,6","20,6","23,4","17,4","20,2","22,2","24,9"],["Ordal Llobregat","14,8","13,9","17,7","10,9","11,2","14,7","18,0"],["Vallès-Collserola","21,8","16,5","18,7","14,2","17,6","19,8","15,1"]]
