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Does Cold Temperature Affect a Propane Tank Level Gauge?
Propane is like the majority of other kinds of materials in that it is affected by cold temperatures. The propane gas contracts as the temperature does down. That reduced level of gas in the tank is reflected by the gauge which reflects the level on the propane tank. Normally, this happens whenever a homeowner checks the gauge in cold conditions and sees the amount of the tank level before and after delivery. Depending upon the weather conditions, the level on the tank might not rise as much as anticipated.

Propane Tank Level Gauge
The propane tank's gauge shows you what fraction of the tank is full. Normally, tanks are not filled over 80% so as to allow the gas to expand during hot days. For example, a 500 gallon tank, at a reading of 80 percent at normal temperatures reflects approximately 400 gallons of propane inside the tank. This is around the amount which is able to be stored.

Normal Temperatures
The propane industry operates the popular website Propane 101, which considers the propane reference point to be an exterior temperature of 60 degrees. For example, if the gauge reads 50 percent of capacity on a day when the temperature is near 60 degrees, then a 500 gallon tank will have about 250 gallons of propane. If the temperature that day is a lot lower than 60 degrees, the gauge will read lower. Similarly, if the temperature is a lot higher than 60 degrees, the gauge will actually read higher because the gas expanded.

Effect of Contraction and Expansion
According to the information provided by the propane industry website, the amount of energy contained within the tank does not really change when the gas expands or contracts. The amount of propane itself has not changed, but just the density of the gas has changed.

Cold-Weather Delivery
The homeowner who orders 100 gallons of propane will receive roughly 424 lbs. of propane. With the delivery of 100 gallons, the homeowner with a 1000 gallon propane tank could expect the guage to go up by 10%. These numbers would be accurate if the temperatures were near 60 degrees at the time of delivery. If the delivery happened during colder weather conditions, these chillier temperatures will cause a smaller increase reading on the propane gauge.

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