(CBS Detroit) — After seeing gas prices decline at the end of 2021, Michigan is seeing prices go back up this week.

According to AAA, gas prices are up by about 8 cents, averaging $3.18 a gallon for regular unleaded. The price is 4 cents less than this time last month but is still $1.01 more than this time last year.

READ MORE: Here Is The Top 'Should I...' Question Googled In Michigan In 2021, AT&T Reports

“Typically, pump prices decline due to lower gas demand and a rise in total stocks, but continued growth in the price of crude oil has helped to elevate pump prices,” said Adrienne Woodland, spokesperson of AAA-The Auto Club Group.

READ MORE: GM Secures Tax Abatement For Proposed $1.3B Orion Assembly Plant Investment

Metro Detroit’s average daily gas price as of Monday is $3.23 per gallon, which is 1 cent more than last week’s average. The most expensive gas price is in Marquette at $3.31, with the lowest being Grand Rapids at $3.13.

Click here to view AAA’s state and metro gas averages.

MORE NEWS: Chief White Says 'There's Reason To Believe' Remains Found In Detroit Belong to Missing Mother Latima Warren

© 2021 CBS Broadcasting Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.