Fuel tank condensation.

[Clint r]

Have an in floor tank question.
Here's a pic of the outside. Is that amount of condensation normal? Is the same thing happening inside?

 

[ryanb]

The fuel gets cold at night and causes condensation to form on the outside as the outside air warms up. Kind of like a cold drink on a warm day. The same thing is not likely happening inside as the inside air is kept cooler.