Personally, I've never had to clear memory after the dump.  Once I've 
dumped the memory everything seems to sych back up to normal.

On Monday, April 1, 2019 at 10:01:18 AM UTC-6, Geoff Cusick wrote:
>
> The —clear-memory command does just that - it deletes all the data held in 
> the logger. That means that any data that has not been collected by weewx 
> would be lost.  The —dump option downloads everything in the logger to 
> weewx, which will (should, does, at least with MySQL) reject any records 
> that have already been downloaded, but retain all new records, thus losing 
> no data.  The sequence has to be —dump followed by —clear-memory. 
>
> Geoff 
>
> 17 Westcroft Road Holsworthy, EX22 6BY 
> Phone: +44 (0)1409 254330 
> Mobile: +44 (0)7976 285950 
> Web: http://www.cusick.org.uk 
>
> > On 1 Apr 2019, at 16:55, Phil Green <[email protected] <javascript:>> 
> wrote: 
> > 
> > Hi 
> > Why do you need to do a ‘dump’ command when you do the clear-memory? 
> > 
> > Yes would be interested in a cron script. 
> > I presume the same one to be run twice a year when the clocks change 
> forwards & backwards? 
> > Regards 
> > Phil 
> > 
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