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).
On the basis of the US Energy Information Agencyâs weekly average propane prices during the 2011-2012 heating season (October to March) it cost between $1,100 and $1,150 to fill a 500-gallon propane tank but tanks typically store 120, 250, 500 or 1,000 gallons of propane so the easiest way to determine how much it will cost to fill your current or ...