Weather Station Hardware > WiFiLogger/Meteo-Pi

Weird Dew Points

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WestTx:
Since I switched to the WifiLogger I'm occasionally seeing dew points of -1 in my Weather Underground page.

see the graph here https://www.wunderground.com/dashboard/pws/KTXODESS12/graph/2019-10-16/2019-10-16/daily  (WU link)
(The summary also reflects -1 as the day's low dew point.)

This appears to have started only when I started using the WifiLogger.
Note that the -1 dew point seems to always be at the top of the hour or half-hour.
In the WFL setup, the update is 5 minutes (int: 5 seconds), RapidFire: Disabled

The -1 dew point does not appear in my Weatherlink app data.  Maybe there's something on the WU end that is causing this but, as I said, it has only started since I began using the WifiLogger in about August.

Has anyone else see this?  Or have an explanation?

Thanks

galfert:
Check that nothing else is also uploading to WU. That includes your old Weatherlink.com device for your old WeatherlinkIP logger. Make sure that Cumulus etc is also not uploading to WU. Make sure that only the WFL is uploading to WU.

If you aren't certain that you may have missed something that may still be uploading to WU then temporarily disable the WFL from uploading to WU (disabled in its configuration for WU but keep it plugged in and running). Then sit and watch your WU account for an hour and see if anything got uploaded.  If you do see data that something else is uploading to WU then let it go longer and eventually within hours I think WU will show you the type of software that is uploading by clicking on the information "i" in the black circle at the end of your station name.

WestTx:
After going through your helpful suggestions Iím still at a loss for the reason for the anomaly.

If no one else is seeing the strange points Iíll just keep trying to figure it out. Itís not a big deal since my archived data is not affected but Iím still curious as to whatís happening.

Thanks

WiFiLogger:

--- Quote from: WestTx on October 17, 2019, 06:59:28 PM ---After going through your helpful suggestions Iím still at a loss for the reason for the anomaly.
If no one else is seeing the strange points Iíll just keep trying to figure it out. Itís not a big deal since my archived data is not affected but Iím still curious as to whatís happening.
Thanks

--- End quote ---

I will check what is wrong little later, but problem is not with temp and hum, but with wind gust.
I will repair that, but I need some research why it happen.

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galfert:
I noticed that these strange pressure occurrences only seem to happen during daylight hours.

I also noticed you are only uploading to WU every 5 minutes. Maybe that is part of the problem. Is there a reason you don't have WU set for rapidfire uploads? I think uploading every 5 or 10 seconds is good. If you change the upload interval then maybe the problem goes away.

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