Re: [weewx-user] Sunshine Duration

[Karen K]

n7uv...@gmail.com schrieb am Samstag, 4. Mai 2024 um 05:12:04 UTC+2:


What is "direct solar irradiance"? Is there someone at the sensor deciding 
that it's direct? 


As Jaques wrote, this is a sensor that sees a very small angle of the sky 
(approximately half a degree) and it is moving and always looking at the 
position, where the sun should be seen.

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Re: [weewx-user] Sunshine Duration

[Jacques Terrettaz]

Verify that you have downloaded te Release V1.4 of the extension.

Do you have "radiation_Wpm2" in your MQTT stream ?  

Please note that  the "is-sunshine" is generated only at each archive period ( 
i.e.. when the "interval_minute" is also generated)   and is currently not 
generated for each loop.

It is be possible to generate it for each loop period, but this would imply 
that depending  on the conditions ( very few clouds or scattered clouds moving 
relatively rapidly) , the "is_sunshine" may switch quite often between 1 and 0 
( a loop is about 2.5 seconds with a Davis Pro) . Not sure you would be happy 
to have your shutters going up several time in a few minutes under these 
conditions !

Let me know

> Le 4 mai 2024 à 11:40, geni08...@gmail.com  a écrit :
> 
> I can't find “is_sunshine” in the MQTT stream.
> I have replaced the “sunduration.py” and restarted weewx
> Do I have to enter this somewhere?
> 
> Jacques Terrettaz schrieb am Donnerstag, 2. Mai 2024 um 18:05:49 UTC+2:
> I have added a new field in my extension : is_sunshine
> 
> At each record generation,, the is_sunshine value will be 1 if there is 
> sunshine, otherwise it will be 0.
> This field is also published in the MQTT stream.
> 
> See https://github.com/Jterrettaz/sunduration/tree/master
> 
> 
>> Le 2 mai 2024 à 14:54, geni08...@gmail.com <> > a 
>> écrit :
>> 
>> I would like to get the attribute sunshine yes/no or a value in the MQTT 
>> stream to control my shutters if I already have a Davis Pro.
>> I can only find the value of "maxSolarRad_Wpm2". Please give me some advice 
>> on how I could evaluate this, or how could the sunshine value per minute be 
>> entered in MQTT?
>> 
> 
> 
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Re: [weewx-user] Sunshine Duration

[geni08...@gmail.com]

I can't find “is_sunshine” in the MQTT stream.
I have replaced the “sunduration.py” and restarted weewx
Do I have to enter this somewhere?

Jacques Terrettaz schrieb am Donnerstag, 2. Mai 2024 um 18:05:49 UTC+2:

I have added a new field in my extension : *is_sunshine*

At each record generation,, the *is_sunshine* value will be 1 if there is 
sunshine, otherwise it will be 0.
This field is also published in the MQTT stream.

See https://github.com/Jterrettaz/sunduration/tree/master


Le 2 mai 2024 à 14:54, geni08...@gmail.com  a écrit :

I would like to get the attribute sunshine yes/no or a value in the MQTT 
stream to control my shutters if I already have a Davis Pro.
I can only find the value of "maxSolarRad_Wpm2". Please give me some advice 
on how I could evaluate this, or how could the sunshine value per minute be 
entered in MQTT?


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