Heat Index In Rio Hits 137.3F

[OKIsItJustMe]

3. One advantage of "Heat Index" or "Feels Like Temperature" is that people are used to it from TV weather forecasts

Here’s a nice YouTube video showing how to determine “Wet Bulb” temperature. I was taught to do this in 9th Grade Earth Science:

The National Weather Service has a handy “Wet Bulb Globe Temperature Informational Guide” which is even more useful than “Wet Bulb.”

Wikipedia: Wet-bulb globe temperature