What is the rainfall in western part of central plains North America?

The western part of the Central Plains of North America receives a wide range of rainfall, depending on the specific location and the time of year. On average, the western part of the Central Plains receives between 10 and 30 inches of rainfall per year. The precipitation is typically highest in the spring and summer months and lowest in the fall and winter months. The amount of rainfall can also vary significantly from year to year. For example, in some years, the western part of the Central Plains may receive as much as 40 inches of rainfall, while in other years it may receive as little as 5 inches of rainfall.