Thank you very much, I didn't know I can put formulas in there.

Τη Σάββατο, 23 Δεκεμβρίου 2017 - 9:15:16 π.μ. UTC+2, ο χρήστης Andrew 
Milner έγραψε:
>
> of course you can.
>
> 1. STOP WEEWX AND 
> 2. MAKE A COPY OF THE DATABASE 
>
> FIRST!!!!
>
> 3. use sqlite3 to execute commands such as
>
> UPDATE archive SET rain = rain/10 WHERE dateTime >= xxxxxxxxxxxx;
> where xxxxxxxxxx is the datetime stamp of the first record where you want 
> to start making the changes
>
>
> 4.  And you need to either use wee_database to --drop-daily  and 
> --rebuild-daily  or edit the summary tables directly in a similar manner to 
> the archive table (harder)
>
> 5.  RESTART WEEWX
>
>
>
> On Saturday, 23 December 2017 09:00:28 UTC+2, Alexandros Bagos wrote:
>
>> The question now is: can I easily correct the past two months which are 
>> wrong?
>>
>> Can I modify the records in the sqlite db with a formula to divide rain 
>> by 10?
>>
>

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