Thanks for the tip.
I have amount of water per weight of air. I found a calculator online that told me that outside I had 4.67 grams of water per kg of air. And if I were to import this air into my home, I'd be looking at a RH of 27%. That explains why I had a loss of RH in my house. The RH...
If my inside relative humidity level is 50% at 73 F,
and my outside relative humidity level is 97% at 36 F,
how can I tell if I open my door, whether I will lose inside humidity into the atmosphere?
The real life scenario is that my wife complained that the humidity was too low in the house...