(March 17, 3:40 p.m.) The national average price of diesel fuel jumped to a record $4.02 a gallon on St. Patrick’s Day.

According to AAA’s Daily Fuel Gauge Report, the average price of diesel fuel on March 17 was 60 cents higher than a month earlier and $1.27 more than at the same time last year.

According to AAA, the cost of a gallon of diesel was more than $4.20 in many California markets.

Oil futures reached a record $111.80 a barrel March 17 on the New York Mercantile Exchange before falling more than $6.

For daily fuel price updates, go to http://www.fuelgaugereport.com.