Unfortunately for a WU import wee_import imports whatever WU provides,
there is no (simple) way to limit which fields are imported. There are a
couple of workarounds (untested) that should work.
1. Tell WeeWX to force the UV value to None (needs to be done before
running wee_import):
- stop WeeWX
- before running wee_import add an entry to the [StdCalibrate]
[[Corrections]] stanza of weewx.conf as follows:
[StdCalibrate]
[[Corrections]]
....
UV = None
- save weewx.conf
- run wee_import and import the WU data
- remove the UV = None correction added earlier
- restart WeeWX
2. Manually remove the UV data using some SQL (needs to be done after
running wee_import):
- stop WeeWX
- make a backup copy of the database
- if not already installed install the sqlite3 utility:
$ sudo apt-install sqlite3
(or as appropriate for your OS)
- open your database with sqlite3:
$ sqlite3 /home/weewx/archive/weewx.sdb
or
$ sqlite3 /var/lib/weewx/weewx.sdb
depending on your WeeWX install
- execute the following SQL statement (setting the date and time range
accordingly) to set UV to None for the interval concerned
sqlite> UPDATE archive SET UV=NULL WHERE UV IS NOT NULL AND
dateTime>strftime('%s', '2022-10-01 13:00:00') AND dateTime<=STRFTIME('%s',
'2022-10-21 09:15:00');
- exit sqlite3:
sqlite> .quit
- update the daily summaries:
$ wee_database --rebuild-daily --from=2022-100-01 --to=2022-10-21
(again replacing dates with the required date range)
- restart WeeWX
- WeeWX should update any web pages with the new data on the next report
cycle, plots will eventually update (you can force all plots to be
regenerated on the next report cycle by deleting all plots of the WeeWX
machine). NOAA format reports will need to be deleted from the earliest
month/year with incorrect UV data through until the current month/year to
force regeneration
Gary
On Wednesday, 26 October 2022 at 20:11:32 UTC+10 [email protected]
wrote:
> Here's an example of the spikes, it's like this for every month. The
> highest UV we get up here is no more than 7.
>
> [image: Screenshot 2022-10-26 at 11.09.28.png]
>
> On Wednesday, October 26, 2022 at 11:07:20 AM UTC+1 Rory Gillies wrote:
>
>> I am importing historic data from Weather Underground using wee_import
>> and it is largely working fine, however the data I am importing has
>> erroneous UV spikes in the data (but still valid values so not picked up by
>> the --ignore_invalid-data_switch) . Is there any way I can exclude the UV
>> data during import? For the month I have imported I have manually removed
>> the spikes from weewx.sdb, but this will take ages on a year's worth of
>> data. TIA
>
>
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