Gary - need to see the whole weewx.conf to see if db is actually metric, 
metricwx or us, although it could have been changed on the fly and there 
may have been other attempts to get rid of log errors resulting in feverish 
adjustments to min max StdQC values before arriving at the current 
situation.



On Tuesday, 10 October 2017 12:11:00 UTC+3, gjr80 wrote:

> I guess what I wanted to clarify was that replacing one set of minmax 
> figures and units with another, equivalent set of minmax figures and units 
> will not alter the QC outcome because when units are included in a minmax 
> spec the valies are converted to the underlying database units.
>
> Given the small log exact we have seen it is not possible to definitiely 
> say what the issue is. The fact that 26.0 and 32.5 appear in the logs do 
> not mean that those figures are actually in the barometer minmax spec as 
> these could be converted or unconverted values. However, given that a 
> default install uses a barometer minmax of barometer = 26.0, 32.5, inHg I 
> suspect that is what is in Hajo's weewx.conf. If this is the case the log 
> snippet suggests the database unit system is US and seeing a barometer 
> value in the 1000s suggests that either the driver has supplied a packet 
> with a barometer value that does not agee with the packet's usUnits field. 
> Alternatively, the driver could well being providing correct data and weeWX 
> is garbling it, i think it unlikely though. Of course if the minmax spec is 
> not what I surmise then it could b something else. To be certain we need to 
> see the minmax stanza and the raw loop packets coming from the driver.
>
> Gary
>
>

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