In January 2009, fuel in Latvia averaged €0.773 for petrol

Petrol, monthly average€0.773/L
Diesel, monthly average€0.845/L
LPG, monthly average€0.509/L
Weekly bulletins held for January 20094

Monthly averages for Latvia across January 2009, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).