1. Is the temperature of the warmest month [Tmax] less than 10° C? Go to POLAR 2. Is the accumulated annual precipitation [Pann] less than 10 x Pth? Go.
Koppen -Geiger Climate Classification Key Major Climate Types
![1. Is the temperature of the warmest month [Tmax] less than 10° C? Go to POLAR 2. Is the accumulated annual precipitation [Pann] less than 10 x Pth? Go.](https://static.fdocuments.us/doc/330x215/5697c02a1a28abf838cd8119/1-is-the-temperature-of-the-warmest-month-tmax-less-than-10-c-go-to-polar.jpg)
