WRONG pressure data in JSON for PWS

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  • Updated 6 months ago
Pressure in JSON answer for PWS shows wrong value (real pressure is 1016 hPa, showed value is 1014 or even lower; but even today lowest pressure was minimum 1015 hPa !).

Even on first page of www.wunderground.com where javascript shows currently values is firstly opened false value, and then within a few seconds changed to true value.
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winny32

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Posted 5 years ago

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Brendan Hayes, Official Rep

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What URL(s) is this happening on?
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winny32

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Here is pws JSON from API, show 1015 hPa at the moment (other data are correct as I see so far):

http://api.wunderground.com/api/72205...

Here is website current data: when page is start to loading says 1015, after JS is fully loaded it corrects to 1017,2, which I assume is true data, according to:

1. official PWS site ( http://vreme-deskle.slohosting.com/ )
2. XML current data ( http://api.wunderground.com/weatherst... )
3. daily history, CURRENT data ( http://www.wunderground.com/weatherst... )

So far I found this problem even at:
http://www.wunderground.com/weatherst...

which currently show 1019.5, but API JSON shows constant 1015 hPa.

http://api.wunderground.com/api/72205...
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winny32

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Any better suggestion than switching to XML data?
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Nicolo' Conte

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Same problem for me, any solution?
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Tony Gil

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API seems to output "normalized pressure", correcting the reading for altitude, as well as possibly temperature and humidity.  I'm having this issue, on occasion, i receive the sensor reading (i am at 500+ meters, so 958 = 1013, give or take)