Explain why southern california receives less rainfall than northern california.

Because climate varies through the state, so does the average precipitation. Some areas in Southern California receive five inches of precipitation or less per year on average. Other areas, like coastal Northern California, receive one hundred inches of precipitation in an average year.  What’s normal in these two areas is different. The amount of moisture during drought conditions in Northern California would look like extremely wet conditions in Southern California.

i need more info to answer