In April 2005, fuel in Latvia averaged €0.789 for petrol

Petrol, monthly average€0.789/L
Diesel, monthly average€0.781/L
LPG, monthly average€0.401/L
Weekly bulletins held for April 20054

Monthly averages for Latvia across April 2005, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).