Quote:
Originally Posted by Brick Sprickly
We had this issue a few months back on a multi-day trip with another forum member to SE OR. Being in the desert we'd encounter significant temp fluctuations which would also shift psi ~12-15 throughout the day. Combine this with mountainous elevation changes and you'll see lots of differences. Just check it here and there if you're concerned, but as said above, if there's no leak it's not really a problem.
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Yup. Don’t stress about it too much.
On a recent southern Utah off-roading trip I aired down to 24 PSI at the trailhead in the morning, air temp was 70F. At the end of the day the air temp was 98F. I was prepared to air up for the pavement but all tires were at 32 PSI so I just drove it back to my lodging. Checked cold tires the next day and brought them up to 34 PSI.