I'm sorry I dont write english very well, anyway I need to create a
graphic that It have two scales. The axis X is the time (1 2 3 4 5 6)
to Y1 and y2.
These axis Y1 and Y2 are input values for example (y1(rainfall)=0.1
0.3 0.5 0.5 0.1) and (Y2(flows)=0 0 0 1.2 1.3 1.5) I want to see the
graphic with Y1 under Y2. thank for your help. JAVIER