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Does Cold Really Affect the Level Gauge on a Propane Tank?
Propane is like most other kinds of materials in that it is affected by cold temperatures. The propane gas contracts as the temperature declines. That reduced level of gas inside the tank is reflected by the gauge which reflects the tank level. Often, this happens whenever a homeowner checks the gauge during cold climate and sees the amount of the tank level before and after delivery. Depending on the weather, the level on the tank might not rise as much as expected.

Propane Tank Level Gauge
The propane tanks guage would show what percentage of the gas tank is still full. Tanks are usually not filled over 80% full because this will allow for the gas to expand on warmer temperatures. For example, a 500 gallon tank, at a reading of 80% at normal temperatures reflects about 400 gallons of propane in the tank. This is about the amount which is able to be stored.

Normal Temperatures
The web site Propane 101, which is managed by the propane industry, considers an exterior temperature of 60 degrees to be the baseline or reference point. For instance, if the gauge reads 50 percent of capacity on a day when the temperature is near 60 degrees, then a 500 gallon tank would contain about 250 gallons of propane. If the temperature that same day is a lot lower than 60 degrees, the gauge would read lower. Also, if the temperature is a lot higher than 60 degrees, the gauge would actually read higher due to the expansion of the gas.

Effect of Expansion and Contraction
The amount of energy contained or energy contained in a tank would not change as the gas either expands or contracts, according to the propane industry website. The amount of propane itself has not changed, but just the density of the gas has changed.

Cold-Weather Delivery
If a homeowner orders 100 gallons of propane to be delivered, they will be given 424 pounds of propane. If the homeowner has a 1000 gallon propane tank, they may expect the gauge to go up by 10% with the delivery of 100 gallons. These numbers will be accurate if the temperatures were near 60 degrees at the time of delivery. If the delivery happened during colder weather, these chillier temperatures would cause a smaller increase reading on the propane gauge.

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