In many parts of the U.S., homeowners with basements have to manage rising humidity levels for most of the cooling season

At first blush, the chart looks very complicated. There are layers of axes and curved reference lines. However, a closer examination reveals that the chart is conveying the answers to two related question

Air always has some amount of moisture in it. Proportionately, it is a very small amount of moisture relative to the overall air mass

Wagner Meters announced the DataMaster app for those who utilize RH testing to assess the moisture condition of concrete floor slabs.