[["Barcelona","17,1","25,3","25,2","19,7","21,5","22,1","21,4"],["Besòs","17,0","25,8","33,4","22,6","25,6","25,9","23,9"],["Delta","8,3","10,6","14,9","11,7","9,7","11,3","11,2"],["Llobregat continu","13,4","12,7","17,0","15,4","16,4","19,3","18,8"],["Ordal Llobregat","9,0","13,9","19,1","13,7","13,1","15,1","13,0"],["Vallès-Collserola","9,4","13,5","16,5","13,0","12,6","14,3","9,8"]]
