On Saturday, 30 September 2023 at 13:25:10 UTC+10 [email protected]
wrote:
>From restx.py:
'dayRain': 'dailyrainin=%.2f',
So the daily rain amount sent to WU is from the value 'dayRain'. Since
this is not a database observation type, if I add a 'dayRain' field to the
database will restx.py use that instead?
I guess this is the dayRain reference you mentioned in your other post.
The problem with digging into the code is that you need to read it in its
entirety, in this case, earlier on in restx.py you will find a comment
<https://github.com/weewx/weewx/blob/master/bin/weewx/restx.py#L254> that
mentions dayRain. In my response to your other post I mentioned that some
drivers pass on a field dayRain to WeeWX, the dayRain entry/code you found
in restx.py will make use of the current dayRain field if it is available,
if it is not available WeeWX will calculate the value from the rain data in
the database. Remember, WeeWX (generally) makes all fields received from
the driver available in the current archive record, this is irrespective of
whether the fields exist in the database. So if the driver passes through
dayRain, dayRain will appear in the current archive record irrespective of
whether dayRain is in the database schema. The same thing will happen if
dayRain is in the database schema, but in this case dayRain is also saved
to database.
To answer your question more succinctly, if you add dayRain to the database
restx.py will use it, but not because you added it to the database, rather
because your station/driver passes the value to WeeWX. If the dayRain field
is not passed to WeeWX by the station/driver WeeWX will calculate the value
separately.
Gary
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