In case anyone needs it, I created a PFPX flightplan template that puts the average ISA deviation and average wind speed and direction on the generated flight plans. This information is needed in some FMCs for VNAV/performance calculation.
Installation
Just put the file into the C:\Users\Public\Documents\PFPX Data\FlightplanTemplates folder (on Microsoft Windows 8), give it any name you like, just keep the .txt suffix. After that you will have an option corresponding to the chosen filename in the OFP drop-down list (see red arrow in picture). The ISA DEV and the AVG WIND will show up in the header of your flightplan (see blue arrow in picture).
The configuration file is the default PFPX configuration plus two additional lines: AVG ISA DEV: <&AvgISADev[0]> and AVG WIND: <&AvgWind> This is the resulting configuration (click “view raw” to download it):