[wxqc] Dewpoints for CW5204

[Dave Helms]

John,

The QCMS analsysis is not perfect, but most of the time its pretty 
good.  Despite some anomalies in the analysis, your data still has three 
green checks. Whatever crappy stations may be in your vicinity, a good 
station is a good station absolutely.  Flags that QCMS applies to a 
particular observation and parameter do not necessarily mean that the 
data is bad, just something someone using the data may want to take a 
second look at.

Dave
CW0351

John & Delta wrote:

> Dave ,
>
>  
>
>   Thanks for your response.  Is there anyway that the offending 
> station can be removed from the system as it has a significant impact 
> on me and also has an effect on surrounding CWOP stations.   Good data 
> is getting thrown out because of a faulty sensor of another station.
>
>  
>
> John
>
> CW5204
>
>  
>
>Hi John,
>
> 
>
>Your data looks fine as compared to KMRB and other CWOPers (even GaryO):
>
>http://weather.gladstonefamily.net/qchart/C5204?date=20060202&addnl=KMRB&addnl=C0146&addnl=C1672&addnl=C4571&Add+to+charts=Add+to+charts&.cgifields=addnl <http://weather.gladstonefamily.net/qchart/C5204?date=20060202&addnl=KMRB&addnl=C0146&addnl=C1672&addnl=C4571&Add+to+charts=Add+to+charts&.cgifields=addnl>
>
> 
>
>There is probably some "unseen" WeatherBug station close to you that is causing the humidity flakiness.  I would not recommend any adjustments as your data is good.  Also, we usually encourage people to build up a month or more of station QCMS statistics before attempting to judge sensor performance. 
>
> 
>
> 
>
>Dave
>
>CW0351
>
> 
>
> 
>
> -------------- Original message ----------------------
>
>From: Sam Drinkard <sam at wa4phy.net <http://pond1.gladstonefamily.net:8080/mailman/listinfo/wxqc>>
>
>>/ jdkuhn at adelphia.net <http://pond1.gladstonefamily.net:8080/mailman/listinfo/wxqc> wrote:/
>
>>/ /
>
>>/ >I'm wondering if there's something wrong with my RH sensor (Davis Pro 2 only 3 /
>
>>/ weeks old) or if I should adjust it upwards.  The dewpoints correspond fairly /
>
>>/ good with surrounding stations (KMRB, C0146, c1672) but my RH seems to be my /
>
>>/ issue.  The analysis for the Dewpoint yesterday seems weird.  It jumps from 20 /
>
>>/ to 25 around 1600.   Looking at the last severl days shows that the analysis of /
>
>>/ RH is 10 to 15 % off most of the time.  /
>
>>/ >/
>
>>/ >http://weather.gladstonefamily.net/site/C5204?tile=10;days=3#Data/
>
>>/ >/
>
>>/ >/
>
>>/ >Any thoughts on what to do?  Should I adjust the RH upwards?  /
>
>>/ >/
>
>>/ >Thanks,/
>
>>/ >/
>
>>/ >John/
>
>>/ >CW5204/
>
>>/ >  /
>
>>/ >/
>
>>/ John,/
>
>>/ /
>
>>/     Aside from your spikes, there are a couple of other stations you are /
>
>>/ being compared with (I suspect) and the few I looked at have a bad case /
>
>>/ of the jaggies, however Dave or Mike might be able to find more info /
>
>>/ than is from Phil's website.  Definately something flakey../
>
>>/ /
>
>>/ Sam/
>
>  
>
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