I see, you live in Washington. Every other weekend is standard for non custodial parents in Missouri as well. What is standard in your state?
When I filled out the paperwork, the residential schedule was expected to be 50/50 even though the kids ended up staying with me 100% of the time by default.
http://www.courts.wa.gov/forms/
http://www.courts.wa.gov/forms/documents/cu1_0450.doc