Re: Ideal humidity for car storage?
The average relative humidity [ARH] in Las Vegas is 39% in the morning and 21% in the afternoon [Phoenix/Tucson is 52%/25%]. Several major airlines store their excess and out of service airplanes here and Phoenix/Tucson because of the ideal ARH, so I concluded that a constant humidity of 30% would work well in my shop. No problems with surface corrosion so far, after 25 years.
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