Dew point is the tempurature the air cannot hold the weight of the water in it. The water then begins to condense and form droplets. This tempurature is always below or equal to the air tempurature.
Propane prices. Maine (ME) propane users spent an average of $2.724 per gallon over the 2012-2013 heating season. This is slightly higher than the 2.436 average for the country as a whole, for the reasons explained above (distance from major supply source, colder climate, higher demand).
Wisconsin Wholesale Propane Price: Wisconsin Wholesale Propane Price is at a current level of 0.656, down from 0.714 last week and up from 0.56 one year ago. This is a change of -8.12% from last week and 17.14% from one year ago. Wisconsin Wholesale Propane Price Chart.