I actually don't think I can think of a computer game that has a better and more atmospheric original soundtrack. They certainly did a fantastic job in that department.

http://www.youtube.com/watch?v=YMTGKvMY2ik&feature=related

First open this, lowering the volume a little:

http://www.rainymood.com/

Then open any of these:

http://www.youtube.com/watch?v=SN6NEBuf8XE
http://www.youtube.com/watch?v=uKBxrprqPro
http://www.youtube.com/watch?v=MGvlL7RonYE
http://www.youtube.com/watch?v=ioIWVmqQJpE

Kick those feet up.

Oh wow, thank you. That was lovely.

Rain really does make everything better, Wish you could hear it within the buildings of Skyrim. Also wish it wouldn't penetrate every form of shelter when you're out and about.