What is current price per gallon of propane in Northwest Washington State?

As of my last knowledge update in September 2021, the average price per gallon of propane in Northwest Washington State was approximately $2.90 - $3.10. However, it's important to note that fuel prices can fluctuate rapidly and may have changed significantly since then.

For the most up-to-date and accurate information, I recommend checking reputable sources such as the U.S. Energy Information Administration (EIA), local propane suppliers, or fuel price comparison websites.