Tx. Pete. In 10 years P3DV2 improvement is clear, but FS2004 is still good using an external weather.. I took that caps in order to have a comparison of the results with FSrealWXlite. Sorry, but what do you mean with "edited"?
The comparison shows that inside "grandpa FS9" there is a weather subprogram that can process more complex data than default. This weather engine, FSrealWX, works also in Xplane. http://www.fsrealwx.net/ Good luck with REX!