Dew point temperature, a number that becomes very important when the summer months roll around. Why is that? Well, the dew point gives you an idea of how much water vapor is in the air. In other ...

If the dew point is 68F, you have 15 grams of water vapor in a kilogram of air. That’s enough water vapor for us to feel it—we would say it’s a humid day.

Let’s first state the obvious. Most techs are intimidated by Psychrometric charts and Mollier diagrams, we just are. While there are some pretty complicated formulas that back up these diagrams, using ...

Once the dew point approaches the mid 60s and especially the 70s, that’s when the humidity really becomes noticeable. The 50s and lower have a much more refreshing feel. Here’s a look at our ...

The chart below shows that on average dew points climb rapidly during June and by the end of the month 75 percent of the time we will experience dew points above 60 degrees during the core of the ...