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Originally Posted by gpsman1
I take my last post back! (Can I do that? )
I was going off memory. Just checked my notes.
Not to get too excited, but all 4 tires lost 0.5 PSI in 24 hours.
I was careful, and going by my backyard thermometer, the air temp is within 2-3 degrees the same as yesterday.
Maybe the WEATHER pressure ( barometric pressure ) changes that much day to day? The RR tire is still weird.
-John
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A barometric change of ~1inHg is about 1/2 psi. An inch is a lot, but is also about the normal max/min swing at sea level on the East Coast.
Higher barometer = lower gage reading on your tires, assuming same temp. Compound that with the temp (1# for 10degF)