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Does Cold Temperature Affect a Propane Tank Level Gauge?
Similar to most other types of materials, propane is affected by cold temperatures. As the temperature declines, the propane gas contracts. That reduced level of gas inside the tank is reflected by the gauge that reflects the tank level. Usually, this occurs whenever a homeowner checks the gauge during cold weather conditions and sees the amount of the tank level before and after delivery. Depending upon the conditions, the level on the tank may not rise as much as expected.

Propane Tank Level Gauge
The propane tank's gauge shows you what portion of the tank is full. Normally, tanks are not filled more than 80% so as to allow the gas to expand during hot days. 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 about how much is able to be stored.

Normal Temperatures
The propane industry manages the popular website Propane 101, that considers the propane baseline point to be an exterior temperature of 60 degrees. For instance, if the gauge reads 50% of capacity on a day when the temperature is near 60 degrees, then a 500 gallon tank will contain roughly 250 gallons of propane. If the temperature that same day is much 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 energy contained or amount of energy contained inside a tank would not change as the gas either contracts or expands, 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
The homeowner who orders 100 gallons of propane would be given around 424 lbs. of propane. With the delivery of 100 gallons, the homeowner with a 1000 gallon propane tank can expect the guage to go up by 10%. These numbers would be correct if the temperatures were close to 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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