Higher temperatures at the start of the week than had been predicted early last week added further downward pressure to prices, players said. Traders reported strong volatility in the Zeebrugge/NBP basis, as Within-day was quoted at zero and +1.00 p/th within the same hour. Dayahead basis was heard at –0.40 p/th, having traded earlier at –0.60 p/th. Outright, Day-ahead traded...