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Bad readings

Discussion specific to Fine Offset and similar rebadged weather stations
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User avatar
Vic
Posts: 32
Joined: Sat 07 Jan 2012 8:18 am
Weather Station: Oregon Scientific WMR-180
Operating System: W7 Pro
Location: Ashford, Kent

Bad readings

Post by Vic »

Over the last couple of weeks my cumulus data has gone bonkers with some spikes in the readings, for example a few days ago it read over 100mm rain in a day when it was more like 3mm the same with temperature about a week ago it recorded a reading of -40c!?!. The problem i have with this is that it throws all my records out and it seems to take me an age to put it right, it does not seem to be as simple as editing out the spike/error as i still have to then edit all the ini files to make it look right. Is there an easier way of doing this as its just doing my head in to the point of giving up trying to keep records. One of the most frustrating things is that i cannot seem to change the monthly readings on the main cumulus screen, it should be 39mm for this month and yet it reads 142mm.

Please help.

Thanks in advance
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steve
Cumulus Author
Posts: 26672
Joined: Mon 02 Jun 2008 6:49 pm
Weather Station: None
Operating System: None
Location: Vienne, France
Contact:

Re: Bad readings

Post by steve »

The monthly rain total is calculated from the daily totals in dayfile.txt (http://wiki.sandaysoft.com/a/FAQ#Where_ ... ls_from.3F), so you need to correct those (using the built-in editor) and then restart Cumulus.

The various editors in Cumulus have facilities for extracting data from the log files, so if you correct the log files then the editors can use the corrected data.

You can use the 'spike removal' settings to prevent spikes being recorded in the first place.

You can look at the siting of your weather station to investigate why the spikes occur (see elsewhere in the forum for suggestions).

You could consider getting a better weather station which doesn't generate garbage; there are vast sections of code in Cumulus dedicated to trying to filter out bad readings from these stations, but there are limits to to what I can do. I keep adding more all the time, so you could make sure you are using the latest 'stable' version, which you are not (you don't need to use the 1.9.3 beta if you don't want to, but it seems quite stable itself, and may have more/better garbage removal than 1.9.2, I can't remember).
Steve
User avatar
Vic
Posts: 32
Joined: Sat 07 Jan 2012 8:18 am
Weather Station: Oregon Scientific WMR-180
Operating System: W7 Pro
Location: Ashford, Kent

Re: Bad readings

Post by Vic »

Thanks Steve, i appreciate your response. I think longer term a better station is required as you have said, but the jump to a significantly better station is a big one money wise.
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KevinF
Posts: 71
Joined: Sat 14 Apr 2012 5:01 pm
Weather Station: WMR200
Operating System: XP SP3
Location: Lancashire

Re: Bad readings

Post by KevinF »

Vic.... I just noticed on the Oregon Scientific site the WMR200 plus ( the plus indicates an additional sensor and UV sensor.

http://uk.oregonscientific.com/cat-Weat ... ensor.html

I don't know if it is within your budget but if you use a Fathers Day promotional code, DAD20, it will be reduced by 20% to £319.19 inclusive of postage.

Kevin
User avatar
Vic
Posts: 32
Joined: Sat 07 Jan 2012 8:18 am
Weather Station: Oregon Scientific WMR-180
Operating System: W7 Pro
Location: Ashford, Kent

Re: Bad readings

Post by Vic »

Thanks for the link Kevin, for the time being its not a great priority and i will stick with what i have.

Vic
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ironeagleuk
Posts: 322
Joined: Wed 02 Dec 2009 8:42 pm
Weather Station: Maplins N96GY (Watson W-8681)
Operating System: Windows 7 Home
Location: Folkestone, Kent, UK
Contact:

Re: Bad readings

Post by ironeagleuk »

KevinF wrote:Vic.... I just noticed on the Oregon Scientific site the WMR200 plus ( the plus indicates an additional sensor and UV sensor.

http://uk.oregonscientific.com/cat-Weat ... ensor.html

I don't know if it is within your budget but if you use a Fathers Day promotional code, DAD20, it will be reduced by 20% to £319.19 inclusive of postage.

Kevin
Plus 10% back via Quidco.....very tempting.

I guess this is the wrong forum to ask for opinions compared to the Maplin one I have
Richard

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