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Does Cold Truly Affect the Level Gauge on a Propane Tank?
Similar to the majority of other kinds of materials, propane is affected by cold temperatures. When the temperature goes down, the propane gas contracts. That reduced level of gas inside the tank is reflected by the gauge which reflects the tank level. Usually, this comes into play whenever a homeowner checks the gauge in cold weather conditions 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 anticipated.

Propane Tank Level Gauge
The gauge on the propane tank would show what portion of the gas tank is still full. Tanks are typically not filled over 80% full since this would allow for the gas to expand during warmer temperatures. Like for instance, a 500 gallon tank, at a reading of 80 percent at normal temperatures reflects roughly 400 gallons of propane inside the tank. This is around how much is able to be stored.

Normal Temperatures
The web site Propane 101, that is operated by the propane industry, considers an exterior temperature of 60 degrees to be the reference or baseline point. Like for instance, if the gauge reads 50% of capacity on a day when the temperature is close to 60 degrees, then a 500 gallon tank will contain approximately 250 gallons of propane. If the temperature that same day is a lot lower than 60 degrees, the gauge would read lower. In the same way, if the temperature is a lot higher than 60 degrees, the gauge will actually read higher since the gas expanded.

Effect of Contraction and Expansion
According to the information provided by the propane industry web site, the amount of energy contained in the tank does not really change as 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
If a homeowner orders 100 gallons of propane to be delivered, they will be given 424 lbs. of propane. If the homeowner has a 1000 gallon propane tank, they could expect the gauge to go up by 10% with the delivery of 100 gallons. These numbers would be correct if the temperatures were near 60 degrees at the time of delivery. If the delivery happened during colder weather, these chillier temperatures would result in a smaller increase reading on the propane gauge.

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