Select one or more than one Y columns (or a range from one or more than one Y columns). The X column displays the wind direction, and the Y columns(s) contain the wind speed values. If there is an associated X column, X column supplies X values; otherwise, sampling interval of the Y column or row number is used.
Select required data.
From the menu, choose Plot > 2D : Windrose: Wind Rose-Binned Data..
Click the Wind Rose-Binned Data button on the 2D Graphs toolbar.
WindRose.OTP (installed to the Origin program folder).