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).
US Residential Propane Price: US Residential Propane Price is at a current level of 2.405, down from 2.41 last week and up from 2.022 one year ago. This is a change of -0.21% from last week and 18.94% from one year ago. Category: Energy. Region: United States. Report: Weekly Heating Oil and Propane Prices.