However, I recently moved from so cal to the pacific northwest... and go figure, the frame quickly rusted over.
As a native of Seattle, this reminds me of a funny story. My brother has a friend who was raised in Washington and moved to Colorado as an adult. He got married and the couple raised their kids there. When his son was young, he was constantly leaving his bike outside overnight and his dad would tell him, "Bring your bike inside, or it will rust". He did this over and over until one day his son looked at him and said, "Dad, what's rust?".
Welcome to the NW, and that is a great looking mill!