Temps and absolute 0

[A70Duster at aol.com]

<< a 20 degree variance in ambient temp won't make a 
 20+% variance in bottle temperature etc. >>

Absolute zero is -459.7 °F, so ambient being 70°F and 90°F as your 20°F 
increase makes it

        (549.7 - 529.7) / 529.7

or a 3.8% variance.

Sorry don't wanna get a flame war going on inaccuracies....  :)

Mike