The top portion of this map compares California's population. Compared to Northern California; Southern California is more densely populated. This explains why water shortages are more prominent in the southern region of California. There is a more higher demand because there is more life to support. The bottom half of the map compares the severity of drought in California. Drought is more severe in the southern region of California. Northern California gets higher amounts of precipitation than Southern California does. Southern California usually obtains a hot, dry climate.