MIKE MOSS SAYS: Julia, I'm assuming you're asking about relative humidity (RH), the one (given in percent) that we typically show on air, although we prefer to track moisture in the air by way of the ...

AT the recent Institute of Physics Conference at Leeds, I communicated a rule which I have found useful for calculating the relative humidity direct from readings of the ventilated wet- and dry-bulb ...

If you're not quite sure what the humidex is, you're not alone. The term — a Canadian innovation — is one used most often by southern Ontarians and Quebecers, though Canada's weather guru says that's ...