Hawaii’s highest-in-the nation gasoline prices rose again today, hitting a record $4.598 for a gallon of regular unleaded, according to the AAA Daily Fuel Gauge Report.

The statewide average is up from $4.595 Tuesday and $4.323 a year ago. Prices for premium unleaded hit $4.789, from $4.785 Tuesday and $4.505 a year earlier. The average for a gallon of diesel fuel is $4.998, well below the record $5.419 on July 24, 2008.

The next highest state today is Alaska, which had regular unleaded price average of $4.365, with premium at $4.541, according to the AAA report.

The nationwide average rose slightly today to $3.928 for regular and $4.195 for premium. The highest nationwide average for regular unleaded was $4.114 on July 17, 2008, the report says.

Today’s report said the average price for Honolulu is $4.470 for regular and $4.664 for premium; for Hilo, $4.753 and $4.941; and for Wailuku, $4.785 and $4.962.

The AAA Daily Fuel Gauge Report uses data provided by Oil Price Information Service in cooperation with Wright Express.