I see one possible point of confusion. For baromin, they say

baromin
number

Relative Pressure i.e. pressure adjusted to sea level (Inch of Mercury)

This seems like they expect an adjustment *only* for altitude, not
temperature. If that's the case, then the correct WeeWX observation type
would be "altimeter", not "barometer".

@John Smith <[email protected]> : could you try making the switch
and see if that makes a difference in your results?

On Wed, Sep 24, 2025 at 3:15 AM Glenn McKechnie <[email protected]>
wrote:

> Spent some time trying to understand this and what might have changed, We
> were using absbaromin to get the corrected readings when it was first
> implemented, and as John said this was because baromin gave readings that
> were too high. That now seems to have flipped, we're back to ridiculous
> highs again.
>
> We started back around the 16th, and all the pressure data prior to the
> 19th @ 19:45 is missing for Aus. So ? ; one of life's little mysteries I
> guess.
>
> Rather than questioning my sanity any further, I've checked out the
> development driver for restx.py and am using it in place of the previous
> one.
>
> Now barometer = baromin works, as does pressure = absbaromin
>
> We are back to sane values. The development driver works.
>
> Comparing the output to the official BOM values from the local airport,
> I'm within range.
> They are at 435 metres, I'm at 455 metres - close enough
>
>
> Cheers
>  Glenn
>
> Various WeeWx addons at
> https://github.com/glennmckechnie
>
>
> On Wed, 24 Sept 2025 at 19:24, Graham Eddy <[email protected]> wrote:
>
>> ditto. just waiting for it to settle, then deploy
>> *⊣GE⊢*
>>
>> On 24 Sep 2025, at 6:10 pm, 'steepleian' via weewx-user <
>> [email protected]> wrote:
>>
>> I am a current WOW user and intend to continue with the new service.
>>
>>
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