Average gasoline prices in Mississippi have fallen 1 cent per gallon in the past week, averaging $2.91 per gallon Monday, according to GasBuddy’s survey of 2,014 stations in Mississippi. Nationally, however, the average price of gas has risen 3.5 cents per gallon over the same time period.

Prices in Mississippi are 17.5 cents per gallon lower than one month ago and 83.8 cents per gallon lower than one year ago. The cheapest station in the state Sunday was $2.62 per gallon and the most expensive was $3.29 — a difference of 67 cents.

The national average price of gas was $3.36 per gallon Monday. It is down 6.5 cents from one month ago, however, and 69.3 cents per gallon lower than one year ago.

Historic gas prices in Mississippi and the U.S. going back 10 years:

• 2022: $3.75/g (U.S.: $4.06/g)
• 2021: $2.41/g (U.S.: $2.77/g)
• 2020: $2.07/g (U.S.: $2.39/g)
• 2019: $2.19/g (U.S.: $2.45/g)
• 2018: $2.27/g (U.S.: $2.53/g)
• 2017: $2.07/g (U.S.: $2.31/g)
• 2016: $1.58/g (U.S.: $1.81/g)
• 2015: $2.22/g (U.S.: $2.46/g)
• 2014: $3.20/g (U.S.: $3.47/g)
• 2013: $3.58/g (U.S.: $3.72/g)

“The national average rose last week as the transition to summer gasoline has now started across the entire country. The higher cost of these various blends is being passed along to motorists, as we see every year ahead of the summer driving season,” said Patrick De Haan, head of petroleum analysis at GasBuddy. “Some regions are moving to the required summer gasoline in different steps then others, and the fragmentation of required blends absolutely plays a role in these price increases. Logistical challenges in making the transition during a time when refiners are also doing maintenance work can create hotspots and lead to noticeable jumps in prices during the spring. While we may not see weekly increases, the overall trend will remain upward through much of the spring. By Memorial Day, most of the nation will be transitioned to their respective required blend of fuel, and gas prices could ease, but a $4 per gallon national average remains possible by then.”