Don't see the point unless you're a CX racer. I'd also question your FTP accuracy (and dedication to xmas dinner).
FTP tested every 8 weeks - it's pretty spot on.
The only thing I can think of was my power meter not enjoying -2 degrees.
@hippy started
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Don't see the point unless you're a CX racer. I'd also question your FTP accuracy (and dedication to xmas dinner).