The term digit is often used to represent a number in a specific position in a larger number, or in a number with a fraction expressed using a radix point.
The precipitation of the Andes Mountain climate changes but not drastically between two places. In Colombia there is a lot of rainfall all year round. In Ecuador there is the desert climate without much rainfall. Peru is simalar to Ecuador.
Generally the climate on mountains get progressively colder with increased altitude (the higher up you go). This happens because as altitude increases, air becomes thinner and is less able to absorb and retain heat. The cooler the temperature the less evaporation there is, meaning that there is more moisture in the air.