Orographic precipitation Precipitation varies around the world and seven different precipitation regimes are recognized.
Some water is intercepted by vegetation before it reaches the surface of the earth.
It's the area of land that catches rain and snow and drains or seeps into a stream, river, lake or groundwater. They come in all shapes and sizes and can vary from millions of square miles, like the Mississippi River Watershed which drains to the Gulf of Mexico, to an acre or two that drains into a pond.