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kayjay
 Post subject: Low Temperature readings
PostPosted: Mon Sep 05, 2011 4:39 pm 
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Joined: Fri May 08, 2009 6:04 pm
Posts: 20
Weather Station: WS2350
Every few months I get a single low reading of -30C. This wrecks my all time records, all I can do is overwrite it with a guess. I suspect that it will prove hard to locate the cause. A simple filter in software would really help with this - a test to ignore single readings where the temperature change has been improbable based on recent history. In every case where I have seen this the curve looks smooth, usually positive deg, then a singe -30 reading.

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kayjay
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steve
 Post subject: Re: Low Temperature readings
PostPosted: Mon Sep 05, 2011 5:23 pm 
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Joined: Mon Jun 02, 2008 6:49 pm
Posts: 17835
Location: Sanday, Orkney
Weather Station: Davis VP2
Operating System: Windows Home Server 2011
kayjay wrote:
A simple filter in software would really help with this - a test to ignore single readings where the temperature change has been improbable based on recent history.

The 'spike removal' setting in the Calibration settings?

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kayjay
 Post subject: Re: Low Temperature readings
PostPosted: Tue Sep 06, 2011 6:36 am 
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Joined: Fri May 08, 2009 6:04 pm
Posts: 20
Weather Station: WS2350
Brill, perfect - I've been using this for years and never noticed it. When did this feature arrive?
kayjay
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steve
 Post subject: Re: Low Temperature readings
PostPosted: Tue Sep 06, 2011 6:54 am 
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Joined: Mon Jun 02, 2008 6:49 pm
Posts: 17835
Location: Sanday, Orkney
Weather Station: Davis VP2
Operating System: Windows Home Server 2011
kayjay wrote:
When did this feature arrive?

In 1.9.1, on the calibration screen. But the temperature spike removal was available by editing the cumulus.ini file for some time before that.

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