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Junior Member
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Join Date: May 2009
Posts: 34
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Junior Member
Join Date: May 2009
Posts: 34
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Here are the barometric pressure charts for St Paul MN, Yuma, AZ and San Diego, CA for Jan 2015. It may look like the one for St Paul is exaggerated, but this is the way it looks to get it to the same scale as the others. Each little square is 0.2" Hg change, and each is a day in the other direction. For me, I will have issues if the pressure changes more than 0.2" in one day. In short, if the angle is 45 degrees or more, I have problems.
As you can see, there are no level spots in St Paul in Jan, just a few half days like on the 20th which is not enough to recover before the next wave hits. I would have had zero good days in this month.
In Yuma there were maybe 3 days that had a big enough change to cause issues (3rd, 22nd(4 tenths), 24th). I got by these with very few issues, maybe because my head had a bunch of stability in between?
The chart for San Diego shows maybe two little changes, and would likely have hardly caused a problem. Bear in mind that this is an unstable month of all of these cities, and that summer would be better yet.
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