Hi Gary
Thanks for your quick response.
You have confirmed the best way is to populate a new field to get the graph 
Im looking for.
Im happy with adding a new field to the database
This new field would have the 0.01 * 36 but im not sure how to do that
Is that done in the vantage.py file, and if so how please, or somewhere else
Phil


On Saturday, July 25, 2020 at 5:39:58 PM UTC+1, Phil Owers wrote:
>
> Hi All
>
> Have been using the Instromet Stand Alone Sun Duration sensor which if 
> connected to a Davis Vantage Pro2 system needs to go to a spare rain socket 
> in the ISS.
> Each 0.01 is equivalent to 36 seconds of sunshine and I have converted 
> that to hours and minutes on my web page. 
> The next stage was to produce a graph per hour using the rain field in the 
> database  and to adjust that  reading.either with another field in the 
> database or when the plot/graph was produced .
> I did have a look in the vantage.py and came across  loop_packet['rain'] = 
> delta. 
> So im asking is this the place to do this or am I totally in the wrong 
> place to achieve a field with with rain * 36 in.
> Thanks in Advance
>

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