The weather of the Pacific Northwest is very tough on wooden patio furniture. Hot summers bombard the wood with harsh UV rays, and the notorious downpours are very conducive to mold and mildew.
This thread will show you how to clean the wood in preparation for staining. It is important to ensure that the furniture has been dry for at least 24 hours before beginning.
This is how the furniture looked before I began.
It was very weathered and the hardware had loosened up immensely rendering it very unstable.