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It is an unusual year where I'm at, I'd like to go and see similar climatological years for the north america, more particularly for average pressure, maybe 500mb or 700mb. How would I do this

Edit: Regional or State would be fine. Average pressure on a 1 month or seasonal basis.

Context: I am simply trying to compare the year, if there is a better way to do this than pressure, even temperature and precip would be nice. I'm looking to find simmilarities between years on a regional level. A map of average pressure on a seasonal basis would be awesome.

Region: North America regional, but the finer resolution the better

License: I'd like this to be free.

Format: Any format is acceptable.

Non-answers: I'm looking for more then the NOAA Climatic Data Center can provide.

Authority: Any source is acceptable

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closed as unclear what you're asking by Fred, Jan Doggen, Communisty, Spencer, Deditos Feb 10 '18 at 19:16

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    $\begingroup$ Are you talking total pressure, or the mean pattern. Either way, wonder if it might be a little complex if looking to match weather to similar years, since a year of alternating strong high and low pressures wouldn't show up all that different to a year of fairly quiet patterns. $\endgroup$ – JeopardyTempest Feb 11 '18 at 8:18
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    $\begingroup$ In what form do you want the data, and what geographical distribution? (one number for entire North America seems a bit pointless). Please read this and update your question. $\endgroup$ – Jan Doggen Feb 11 '18 at 14:33