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I'm writing a fusion360 adding to model windmill blades. My first goal is to model the NREL Phase IV in which the airfoils (S809) definitions come with thickness and also span station (wich I¿dont know what is):

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Right now, I'm able to calculate the max thickness. as shown in the next picture as the difference between the max point on the upper surface(y-direction), and the min point(y-direction) of the lower surface. I'm not really sure if this is correct, and then I don´t know how to modify the entire airfoil with the new thickness definition in the table above.

enter image description here

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