[jospehm20]

I was wondering how much difference temp made. I know my trucks computer said my tires lost a couple of pounds in Nebraska compared to what they were in Texas over Christmas.

[knarf]

Scroll down a bit in this thread and you'll get the scientific data

The short answer is .. yes

[stormer]

Gay-Lussac’s Law (P1T1=P2T2) or the Ideal Gas Law (PV=nRT) will provide the answer. The first is easiest, and with out explaining all the conversions, going from room temp to outdoor temp of 50, the pressure is reduced by less than half a pound