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by mattficke 1225 days ago
Humidity affects the final equilibrium moisture content [0] of wood, but even at 100% relative humidity it’ll eventually stabilize at around 25-30% MC (green wood is usually >60% MC, for reference). Humidity averages around 65% in the areas of the US where most of the timber trees grow, at that humidity EMC will be around 12-15%.

[0] https://en.m.wikipedia.org/wiki/Equilibrium_moisture_content