Actually Washington has one of the lowest. Suicide is more closely tied to alcholism, especially among Indians, gambling debts, and thanks to all you conservatives, poverty. The top state see-saws between those with high Indian populations and Nevada, and it is consistently high in the Rocky Mountain States:

http://www.spanusa.org/images/USrates2001.gif

http://www.a1b2c3.com/suilodge/facenc1.htm