(Dover, NH ) - We have all seen gas prices going up in recent weeks, so gasbuddy.com decided to find out what the best day is to fill your tank.

Gas prices are currently at their highest in 19 months. Gasbuddy also predicts that prices will continue to rise as the summer driving season approaches.

Their average-price survey shows that again this year, Monday is the best day of the week to fill up in 23 states.

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