Relative humidity is a simple concept as weather phenomena go – but it has significant, far-reaching consequences for how we must take care of ourselves on a hot or wet day. Humidity is the amount of ...

Model RH520 humidity and temperature chart recorder provides simultaneous numerical and graphical displays of humidity (20-95 percent rh) and temperature (-20° to 140°F). The basic accuracy of the ...

The humidity may be relative, but the shock is real. Often times in the middle of a D.C. summer you hear people say, "It's not the heat... It's the humidity," and they're right. The humidity makes a ...