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Does Cold Truly Affect the Level Gauge on a Propane Tank?
Like nearly all other types of materials, propane is affected by cold temperatures. As the temperature declines, the propane gas contracts. That reduced level of gas in the tank is reflected by the gauge which reflects the tank level. Usually, this happens whenever a homeowner checks the gauge during cold weather conditions and sees the amount of the tank level before and after delivery. Depending on the weather, the tank level might not go up as much as anticipated.

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

Normal Temperatures
The website Propane 101, that is managed by the propane industry, considers an exterior temperature of 60 degrees to be the baseline or reference point. Like 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 have about 250 gallons of propane. If the temperature that day is a lot lower than 60 degrees, the gauge will read lower. Also, if the temperature is much higher than 60 degrees, the gauge will actually read higher due to the expansion of the gas.

Effect of Contraction and Expansion
The amount of energy contained or energy contained in 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 will receive 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 accurate if the temperatures were near 60 degrees at the time of delivery. If the delivery took place during colder weather, these chillier temperatures will result in a smaller increase reading on the propane gauge.

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