Castanet

The Index runs on a scale from 1 to 5; 1 being the lowest, and 5 being the highest, and starts at the Freezing/Melting point of 0 Degrees Celsius ( or 32 Degrees Fahrenheit). The simplest way to understand the Long John Index, is as the temperature drops, the Long John Index goes up, and subsequently, the time you should be spending outside without wearing Long Johns decreases. You can learn more here. http://www.longjohnindex.ca/how-the-lon ... dex-works/

http://www.longjohnindex.ca/