> > assuming the tank is outside, exposed to the weather.  In the winter,
the
> > incoming temperature would be colder than the incoming temperature in
> > summer, which would screw up the reading (?).
>
> Oil tanks are never outside in cold areas. Oil gel is hard to pump ;-) It
> would be at least buried and insulated if outside.
>
> Peter

I guess that depends on what you consider a "cold area". Here in Michigan
most people think it gets pleanty cold (about 28 F last night, expect -20F
before winter's over) and there are many uninsulates oil tanks outside
peoples homes.

-Denny


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