(Undated) — Gas prices have jumped this week following ongoing “market uncertainty.” According to GasBuddy.com, the national average is $3.27 a gallon, sixteen cents higher than Monday. Here in Illinois, that statewide average is nine cents higher than Monday, hovering around $3.52 a gallon. Drivers in Indiana are paying an average of $3.31 a gallon, an eighteen-cent jump from Monday. Mississippi boasts the lowest average in the country at $2.75 per gallon. Meanwhile, California has the highest average at $4.88 per gallon, marking a seventeen-cent rise since Monday…