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I wonder if discarding top results is actually a good idea if you're trying to understand a chip's possibilities (and its (micro)architecture), as opposed to likely real-world performance. That is, aside from corrupted data (either accidental or on purpose, which is apparently a significant problem, at least for x86 chips), if you want to understand what a chip is capable of, perhaps the highest scores are more interesting than the average. Presumably due to uncontrolled conditions during runs, where scores are usually diminished by external factors (other processes taking away resources), scores will usually represent less than a chip's full capabilities.

For the purpose of this discussion, I'd classify extreme cooling as "corrupted data", for any chip that has a user-adjustable clock. You could make an argument that that wouldn't apply to (for example) the M4 iPP score because it just keeps the chip from dropping to a lower speed, rather than allowing you to boost it to a higher speed. That would of course enrage x86 partisans.