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Come Fan with UsTuesday, July 14, 2026

Has Coors Field’s Humidor Really Worked?

Over at Baseball Prospectus, Dr. Alan M. Nathan -- the expert on the physics of baseball -- weighs in on the impact of Coors Field’s humidor. I feel bad about doing this, I really do. But time moves ever faster and somebody died just one second ago. So here’s the nut:

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In summary, the calculation gives a reduction of (30±6) percent, whereas the actual reduction is 25 percent. The closeness of the calculation to the actual result suggests that it is very plausible that the reduction in home runs at Coors Field can be attributed to the humidor. That is the primary conclusion of this investigation.

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↵There are lots of other goodies in Nathan’s piece. If you’re still alive, go ahead and read it.

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