(NEXSTAR) – Temperatures around the country aren’t the only numbers reaching new heights. Gas prices are also heating up, reaching a nationwide average of $3.76 per gallon on Monday, according to AAA. The situation is way worse out West. In California, the average is $5. Washington isn’t far behind at $4.95. Gas prices typically rise in the summer, but the heat is making it even worse this year, industry experts say.