I beg to differ regarding the voltage issue.  If your RPi is suffering from 
voltage going out of spec as the log implies then this will almost 
definitely result in corruption over usb and possibly on the memory card 
also.  Any corruptions can then result in timestamp issues.  Do you also 
have a RTC installed on the RPi - this is almost an essential item. The 
times on the RPi and the Vantage must remain almost in sync for things to 
work seamlessly.  If the volyage issue causes a reboot, for example, it is 
possible for the rpi to get an erroneous time for a period which could 
either get written to the database or prevent satisfactory restart and 
catchup from the vantage befpre resuming normal operations.

I'm sorry but I still think you need to solve the voltage issue first and 
ensure that is 100% stable before starting to chase other issues such as 
time stamps.  I can virtually guarantee the issues you see are most 
unlikely to be a result of anything wrong within weewx itself - and 
especially with a Davis Vantage for which weewx was originally developed 
many moons ago.




On Monday, 28 January 2019 12:08:56 UTC+2, monmul wrote:
>
> Thank you, yes....but where will I find this log that I need....as in 
> which folder and what will it be called?
>
> On Monday, 28 January 2019 22:57:50 UTC+13, gjr80 wrote:
>>
>> Hi,
>>
>> Yep the logs are your friend. Usually you are interested in what happened 
>> in the lead up to the event. You mentioned 19:20 but your log extract is 
>> from around 21:44, what do the logs show around 19:20? Try and find the 
>> point where WeeWX exited and work backwards from time there, may 5 or 10 
>> minutes. The log extract you posted showed an issue at 21:44:02 but there 
>> is only one unrelated entry before that, what else is in the log in the 
>> lead up to 21:44:02? Maybe paste the log from reboot until error.
>>
>> Gary
>>
>>

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