Much-needed rain arrived in Bordeaux this week, although winemakers played down its importance to the 2010 harvest.Around 25mm fell across much of the Medoc, and between 15mm and 35mm fell in Saint Emilion and Pomerol. In Margaux, 6mm fell on Monday night, 8mm on Tuesday and 23mm on Wednesday, Bernard de Laage de Meux at Chateau Palmer told Decanter.com.On the Right Bank, Petrus oenologist Olivier Berrouet said 25mm had fallen since Monday, which had been very beneficial.