That's the highest since early last fall when prices briefly spiked up to an average of $2.54 per gallon after Hurricane Irma temporarily cut off some gas pipelines.
The highest average prices per gallon last week were reported from California ($3.55); Hawaii ($3.48); Alaska ($3.22); Washington ($3.20); Nevada ($3.11); OR ($3.09); Utah ($2.97); Pennsylvania ($2.94); Idaho ($2.93); and NY ($2.80).
According to GasBuddy, states where prices moved most last week were: MI (up 12 cents); Utah (up nine cents); Idaho and Nebraska (up eight cents); and Georgia, Illinois, West Virginia, Missouri, Texas and Tennessee (up seven cents).
AAA says get ready for a spike in fuel prices.
But Milani says in addition to the usual spring bump in fuel prices, a steep rise in crude oil prices will also begin impacting the prices you see at the pump.
Honolulu- $3.42/g, up 6.5 cents per gallon from last week's $3.36/g.
Nationally, the price of unleaded gas as of Monday morning was $2.71 a gallon, according to AAA. The national average increased 17.7 cents per gallon over the past month and 30.1 cents per gallon from one year ago.
On Monday, national gas price tracker GasBuddy.com put the average retail price of gas in California at $3.54 a gallon, up 17 cents from a month ago and a almost 54-cent increase over past year.
"The seasonal surge at gas pumps is in full motion, causing the most dreaded time of year for fearful motorists, especially of what may still be coming", he said.
"That could be very close to what we expect this time around", DeHaan said.
States with the highest average gasoline prices: California ($3.55), Hawaii ($3.48), Alaska ($3.22), Washington ($3.20), Nevada ($3.11), OR ($3.09), Utah ($2.97), Pennsylvania ($2.94), Idaho ($2.93) and NY ($2.80).
DeHaan said refinery maintenance has gone well so far, gasoline supply has continued to increase and the transition to summer gasoline supplies is nearly finished. Prices traditionally start their seasonal rise in mid-February as refiners begin maintenance that enables them to transition to producing more expensive summer-blend gasoline.