Strange temp readings in build 977

phtvs · **Posted:** Wed Feb 09, 2011 8:45 am

Yesterday I updated to build 977. And since then I got strange temp readings in Cumulus.
This morning Cumulus says the max temp is 37,7 degrees and the min temp -36,2 degrees.

To check the readings I have started easyweather and in easyweather the temp values are correct.

So the problem is not in my weatherstation but in cumulus itself.

Attachment:

cumulus1.png

Any sugestions what to do?

Theo

steve · **Posted:** Wed Feb 09, 2011 8:51 am

phtvs wrote:

To check the readings I have started easyweather and in easyweather the temp values are correct.

So the problem is not in my weatherstation but in cumulus itself.

I doubt that very much. You can't compare the data read by Cumulus when running 'live' with the data read by Easyweather afterwards. Your station presumably produced 'spikes' - see lots of other threads about this, in particular Gina's ongoing work. Fine Offset stations do this all the time.

There are anti-spike settings in the calibration screen which are there to try to filter out spikes such as the ones you have experienced. I tried to find the Cumulus graphs on your web site so look at the spikes, but I can't find them as I don't understand the language.

phtvs · **Posted:** Wed Feb 09, 2011 8:54 am

steve wrote:

phtvs wrote:

To check the readings I have started easyweather and in easyweather the temp values are correct.

So the problem is not in my weatherstation but in cumulus itself.

I doubt that very much. You can't compare the data read by Cumulus when running 'live' with the data read by Easyweather afterwards. Your station presumably produced 'spikes' - see lots of other thread about this, in particular Gina's ongoing work. Fine Offset stations do this all the time.

There are anti-spike settings in the calibration screen which are there to try to filter out spikes such as the ones you have experienced. I tried to find the Cumulus graphs on your web site so look at the spikes, but I can't find them as I don't understand the language.

The problem is that the console shows the right temp readings too.

Graphs are at: http://www.weerstation-lemmer.nl/grafieken-nieuw.html
WUHU graphs: http://www.weerstation-lemmer.nl/weathe ... round.html

phtvs · **Posted:** Wed Feb 09, 2011 8:59 am

I have found the spike removal in the calibration menu. What do I need to put there?
the temp spike values says 999,0 is this ok?

Attachment:

cumulus2.png

Attachment:

cumulus3.png

steve · **Posted:** Wed Feb 09, 2011 9:03 am

When did you take that screenshot - just now? Are you getting the very low and high values very frequently, and for extended periods?

What temperature was the console showing at the time you took the screenshot?

Super-T · **Posted:** Wed Feb 09, 2011 9:05 am

Press the "HELP" button in the calibration window?

steve · **Posted:** Wed Feb 09, 2011 9:07 am

Super-T wrote:

Press the "HELP" button in the calibration window?

I'm no longer quite so sure that Theo is seeing the traditional Fine Offset spikes...

phtvs · **Posted:** Wed Feb 09, 2011 9:10 am

steve wrote:

Super-T wrote:

Press the "HELP" button in the calibration window?

I'm no longer quite so sure that Theo is seeing the traditional Fine Offset spikes...

At the time I took the screenshot the temp at the console was -3.0 degrees....

phtvs · **Posted:** Wed Feb 09, 2011 9:13 am

temp at the console is -2,8

Attachment:

cumulus4.png

EDIT: I have quit Cumulus uploading to my website because off the temp problems.

steve · **Posted:** Wed Feb 09, 2011 9:14 am

Could you upload a screenshot of the temperature graph in Cumulus, please?

Super-T · **Posted:** Wed Feb 09, 2011 9:15 am

Yes...not normal spike as it was about 40 minutes or so.

The help button was for the calibration setup...all carefully explained :-)

phtvs · **Posted:** Wed Feb 09, 2011 9:16 am

Attachment:

cumulus5.png

steve · **Posted:** Wed Feb 09, 2011 9:18 am

I didn't mean that one (though that's bad enough) I meant the 'normal' 1-minute temperature graph.

Super-T · **Posted:** Wed Feb 09, 2011 9:19 am

Looks like someone used a power tool close by.....multiple spikes.

even the small spikes all the way through are large

phtvs · **Posted:** Wed Feb 09, 2011 9:21 am

steve wrote:

I didn't mean that one (though that's bad enough) I meant the 'normal' 1-minute temperature graph.

Not sure what you mean.. is it this one?

Attachment:

cumulus6.png

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Strange temp readings in build 977

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