[wxqc] dewpoint

[Mike Smith]

Well, you are correct..  Quite embarrassing that I didn't realize that up
front.  Seeing the spike I just assumed it was my data.  

 

So now the next question.  What would cause the analysis to spike like that?

 

  _____  

From: wxqc-bounces at lists.gladstonefamily.net
[mailto:wxqc-bounces at lists.gladstonefamily.net] On Behalf Of Victor Engel
Sent: Wednesday, November 22, 2006 6:31 PM
To: Discussion of weather data quality issues
Subject: Re: [wxqc] dewpoint

 

Your data is the blue line. The spikes are in the analysis.

On 11/22/06, Mike Smith <Mike at noplaceelse.com> wrote: 

Greetings all-

Along the same lines, any advice as to why I'm seeing the major spikes in my

dewpoint readings?  I've got a Davis VP2 wireless w/ 24hr fan aspiration, in
what I believe is optimal settings.

Basically, things go along great for a few days, then suddenly, major spikes
and my data gets skewed. 

I made certain the VP console has the latest firmware (which reportedly
fixed dewpoint spikes) but still the same results...

Thanks in advance for suggestions/advice?

Mike
CW5462
http://weather.gladstonefamily.net/site/C5462?tile=10;days=3#Data




----- Original Message -----
From: <dshelms at comcast.net>
To: < annmarie at beamsvillewx.ca <mailto:annmarie at beamsvillewx.ca> >;
"Discussion of weather data quality issues"
<wxqc at lists.gladstonefamily.net>; < wxqc at lists.gladstonefamily.net
<mailto:wxqc at lists.gladstonefamily.net> >
Sent: Monday, November 20, 2006 3:27 PM
Subject: Re: [wxqc] dewpoint


> Hello Ann-Marie,
>
> Your data does look good more recently:
> http://weather.gladstonefamily.net/site/C2265?tile=10;days=14#Data
> ... all green checks for all statistics more recent than 1 month!
>
> Just ignore statistics for periods longer than 1 month for now; the older 
> "bad" statisics will eventually get worked out of the database.
>
> Cheers,
>
> Dave
> CW0351
>
>
> -------------- Original message ---------------------- 
> From: <annmarie at beamsvillewx.ca>
>> Hi:  I have recently switched over to using a Davis Vantage Pro weather
>> station.
>> My dewpoint readings are within 1-2 degrees or are identical to my 
>> nearest
>> metars, but I am still getting error reports.  I had many error reports
>> with my
>> previous weather station and I thought my new station might improve the
>> readings. I have placed my sensors in an ideal location per the CWOP 
>> siting
>> guide.
>>
>> Regards,
>> Ann-Marie Keenan
>>
>
>
>


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