Is the season over?

Due to unseasonably warm weather (we have not had a night below freezing in over a week) we are wondering if the 2010 season could be over. Yesterday it was beautiful and 70F, great for cleaning up the yard and getting the garden ready but not ideal for maple syrup producers. The 7 day forecast is predicting cooler temperatures by mid week but now the question becomes are the tap holes sealing off? As the season goes on the trees begin to seal the holes we drilled in the tree at the end of February, the warmer the weather the faster that process happens. Our hope is they can hang on for another 10 days but we can only wait and see. If the season ended today our crop would be about half what we usually produce. As any farmer can tell you, much depends on circumstances that are out of our control so the best you can do is prepare and hope for the best.