In general, when one moves farther west within the south region

There is a decrease in the amount of the rainfall

Explanation:

As looking at the given job opportunities about thousand of people moves to the south and its due to the presence of the mild climate and the enormous beaches along with the gulf coats like that of the California that is knowns the sunbelt in the two regions of the south and the west.

This is all you, but i can give you some topics that you could try. if it rained when you want to do something outdoors, it 'limits' that human activity. maybe you want to do an experiment that goes throughout the whole year and you have to have above freezing the entire year. this 'limits' your activity. i thought of those just off of the top of my head. something that gets to me that might be getting to you is you are thinking too hard about what to do. think simply, and if it is too simple, then bump it up just a little bit.

Just do the math, then think