Naser Daher, of Durham’s Old Farm neighborhood, carries his belongings through floodwaters near the Eno River in Durham on ...
Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.
Across much of the world, hotter days are no longer arriving alone. The air itself is changing, sometimes turning from dry ...