Good morning!
You can use these instructions to add appTemp to your database:
https://github.com/poblabs/weewx-belchertown/wiki/Adding-a-new-observation-type-to-the-WeeWX-database

Just make sure you really have a backup of your database stored.

[email protected] schrieb am Freitag, 26. Juni 2020 um 07:43:08 UTC+2:

> There are errors, a test with $current.appTemp and once with appTemp.
> The appTemp field is not in the database, how can I modify my database?
>
>
> Pat schrieb am Donnerstag, 25. Juni 2020 um 21:32:55 UTC+2:
>
>> Good question. If appTemp doesn't exist in the database, then I would 
>> have thought the entry would be empty or given an error in the syslog. Any 
>> errors?
>>
>>
>> On Thursday, June 25, 2020 at 1:36:54 PM UTC-4, Manfred Maier wrote:
>>>
>>> Ok. I've just seen that appTemp is not part of the standard installation 
>>> of weewx. I've added it later to the database.
>>>
>>> @Pat: In your index.html.tmpl it looks like your are displaying 
>>> $current.appTemp for the "Feels like" temperature. What is used when 
>>> appTemp does not exist in the database? Or is appTemp calculated by weewx 
>>> anyway, but if there isn't a field in the database it's just not stored and 
>>> can't be used for the charts?
>>>
>>> [email protected] schrieb am Donnerstag, 25. Juni 2020 um 19:22:55 
>>> UTC+2:
>>>
>>>> if appTemp instead of windchill, graphics no longer work
>>>>
>>>>
>>>> Am Donnerstag, 25. Juni 2020 17:46:56 UTC+2 schrieb Manfred Maier:
>>>>>
>>>>> appTemp is best translated with "Gefühlte Temperatur".
>>>>>
>>>>> I would have to look it up in the weewx code, but I think it's 
>>>>> calculated based on temperature, humidity and wind.
>>>>> appTemp can be higher or lower than the temperature.
>>>>>
>>>>> Windchill is normally (always?) lower than the temperature. It's 
>>>>> therefore primarily used in winter. At least in the German news I only 
>>>>> hear 
>>>>> about it in winter.
>>>>>
>>>>> Heat Index is the opposite. It's normally (always?) higher than the 
>>>>> temperature. It useful in the summer.
>>>>>
>>>>> Other people might want to add or correct me here!
>>>>>
>>>>> As mentioned: appTemp get's closest to what we refer to as "Gefühlte 
>>>>> Temperature" in Germany (and hopefully also in Switzerland).
>>>>> Have you tried to put appTemp in your chart? Does the value correspond 
>>>>> to the other value on your page?
>>>>>
>>>>> [email protected] schrieb am Donnerstag, 25. Juni 2020 um 17:34:22 
>>>>> UTC+2:
>>>>>
>>>>>> what is appTemp?
>>>>>> windchill corresponds to 'feels like'?
>>>>>>
>>>>>>
>>>>>> Am Donnerstag, 25. Juni 2020 17:18:38 UTC+2 schrieb Manfred Maier:
>>>>>>>
>>>>>>> Try to change it to [[[appTemp]]]. It then should correspond to the 
>>>>>>> figure at the top.
>>>>>>>
>>>>>>> [email protected] schrieb am Donnerstag, 25. Juni 2020 um 
>>>>>>> 17:16:32 UTC+2:
>>>>>>>
>>>>>>>> in graphs.inc is  [[[windchill]]]
>>>>>>>>
>>>>>>>>
>>>>>>>> Am Donnerstag, 25. Juni 2020 16:51:00 UTC+2 schrieb Manfred Maier:
>>>>>>>>>
>>>>>>>>> Next try ... the "Gefühlte Temp" in your graphs.conf is displaying 
>>>>>>>>> "appTemp"?
>>>>>>>>>
>>>>>>>>> [email protected] schrieb am Donnerstag, 25. Juni 2020 um 
>>>>>>>>> 16:43:53 UTC+2:
>>>>>>>>>
>>>>>>>>>> MQTT ist not activ.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Am Donnerstag, 25. Juni 2020 15:51:16 UTC+2 schrieb Manfred Maier:
>>>>>>>>>>>
>>>>>>>>>>> Hi Geni,
>>>>>>>>>>> do you have MQTT switched on?
>>>>>>>>>>>
>>>>>>>>>>> If so, the station observations (top area) display the live 
>>>>>>>>>>> data. The charts display the temperature of the last archive loop 
>>>>>>>>>>> (= couple 
>>>>>>>>>>> of minutes old).
>>>>>>>>>>>
>>>>>>>>>>> Manfred
>>>>>>>>>>>
>>>>>>>>>>> [email protected] schrieb am Donnerstag, 25. Juni 2020 um 
>>>>>>>>>>> 15:42:15 UTC+2:
>>>>>>>>>>>
>>>>>>>>>>>> Why is there a different temperature displayed?
>>>>>>>>>>>>
>>>>>>>>>>>

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