From StockCharts, here is the Daily spot close:
*When options on the futures were introduced in 1992 a buddy of mine eschewed all weather reports from the Midwest and Great Lakes figuring that the only temp that mattered was whether or not the traders felt cold at the exchange.
He retired rich, I don't know if there's a correlation.
Here's this morning's WSJ headline:
US GAS: Futures Down On Warm Weather Forecast For Eastern US
