Most of Washington State lives around Seattle, which has never recorded subzero fahrenheit temperatures:
https://www.currentresults.com/Yearly-Weather/USA/WA/Seattle...
https://patch.com/washington/seattle/monday-was-seattles-col...
https://www.currentresults.com/Yearly-Weather/USA/WA/Seattle...
https://patch.com/washington/seattle/monday-was-seattles-col...
Not that any of this matters to the conversation about gas, my points still stand. Last winter we hit -10F, and there were power outages, so having gas meant having heat when it was extremely cold.
Ultimately you need to be ready to be self-sufficient. I live in a cold climate and run my house on a heat pump, with an oil furnace backup, AND a wood stove with plenty of wood as a third layer.