The official version of where Rammstein got their name is that they named it after the town, Ramstein, where the worst air disaster in history occurred in 1988 at an air show at the American airbase. There was a collision of Italian aircraft that resulted in the deaths of 47 spectators and the injury of about 500 others.
If your home is 70 degrees inside and the temperature outside is under 20-40 degrees, you should keep the humidity under 40 percent. For each 10-degree reduction in the outside temperature below 20 degrees, the maximum humidity level inside should decrease by 5 percent.
There are certain factors can determine what humidity level is the right one for your house. The simple answer is that a house humidity level should be somewhere between 20% and 40%. One factor that can pinpoint where your home humidity level should be is the outside temperature. As the temperature outside decreases then there is a higher risk of condensation happening inside your walls and on you windows.