Originally Posted by Enthalpic

Very crudely, in Excel.

I took the raw power data and calculated various moving averages over different durations (30s, 1min, 2min, 4min, 6min, 10min, 20min) and then found the maximums in each of the new smoothed data columns.

I then used those maximums when doing model fitting for the power duration curve.

Probably could be coded using a simple array easily.