This is excerpt from weewxd.log. I'm using interceptor driver.

DEBUG user.interceptor

ID=XXXX&PASSWORD=XXXX&indoortempf=76.3&tempf=72.7&dewptf=48.4&windchillf=72.7&indoorhumidity=49&humidity=42&soilmoisture=-9999&AqPM2.5=-9999&windspeedmph=9.8&windgustmph=15.0&winddir=234&absbaromin=28.61&baromin=29.74&rainin=0.00&dailyrainin=0.00&weeklyrainin=0.13&monthlyrainin=0.46&yearlyrainin=7.57&solarradiation=2.72&UV=0&dateutc=2026-7-7%2018:37:42&softwaretype=WS-1002%20V2.5.2&action=updateraw&realtime=1&rtfreq=5

raw packet: {'dateTime': 1783449462, 'usUnits': 1, 'rain_total': 7.57, 
'temperature_in': 76.3, 'temperature_out': 72.7, 'dewpoint': 48.4, 
'windchill': 72.7, 'humidity_in': 49.0, 'humidity_out': 42.0, 
'soilmoisture_1': None, 'pm2_5': None, 'wind_speed': 9.8, 'wind_gust': 
15.0, 'wind_dir': 234.0, 'pressure': 28.61, 'barometer': 29.74, 
'solar_radiation': 2.72, 'uv': 0.0, 'rain': None}

mapped packet: {'dateTime': 1783449462, 'usUnits': 1, 'pressure': 28.61, 
'barometer': 29.74, 'outHumidity': 42.0, 'inHumidity': 49.0, 'outTemp': 
72.7, 'inTemp': 76.3, 'windSpeed': 9.8, 'windGust': 15.0, 'windDir': 234.0, 
'radiation': 2.72, 'dewpoint': 48.4, 'windchill': 72.7, 'rain': None, 'UV': 
0.0, 'pm2_5': None}

I hope it helps.
wtorek, 7 lipca 2026 o 20:06:56 UTC+2 Greg Troxel napisaƂ(a):

> "'Tomasz Lewicki' via weewx-user" <[email protected]> writes:
>
> > It seems you didn't understand what I wrote: "I have two (WH25A and 
> WN32P), 
> > and each shows a different value. Their readings differ by exactly 10 
> hPa". 
> > WH25A shows 969,7 hPa, WN32P shows 979,8 hPa. So it's 10 hPa. Correction 
> +6 
> > hPa is needed for WH25A which I use with my station. For WN32P 
> correction 
> > is -4 hPa.
>
> I see - comparing 3 things. In theory, all station pressure. That is
> still a very large error. With one weather station and various BME280
> type sensors (or DPS310), I think I'm seeing a peak-peak range of about
> 3 hPa.
>
> >> I suggest reading the source code. Also, in weewx.conf, services are
>
> > So should I set correction for pressure (ABS) only *and* pressure = 
> > prefer_hardware to get pressure reported by console corrected by +6 hPa? 
> if 
> > yes, what to do next to have barometer (REL) also corrected, ie. near to 
> > METAR value?
>
> You should understand, of your hardware, which values are reported to
> weewx, and which weewx is calculating. Then how to address calibration
> will very likely be clearer.
>

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