How dry is dry enough?

Here is and interesting chart of relative humidity verses tempature

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82F/1% RHis a -27F dewpoint. Unless you have a big bag of desiccant in there there is no way you can get that low in GA this winter.
Wanna bet? Take a look at the sensor. I put 3 different ones in there and got the results over a three day period. As I said, my house heater was blowing almost full time. And I have an 18 inch GoldenRod in the safe.
 
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