This biome receives mild, moist air from the Pacific Ocean. During the summer, it is cool and dry and during the winter, it is extremely cold. This biome receives abundant rainfall during the fall, winter, and spring. The soil is very rocky and acidic. The soil is also generally thin and it is poorly drained. Precipitation averages 20 inches per year.
Precipitation and Temperature.
Mild, moist air from the pacific ocean provides abundant rainfall to this biome.