[weewx-development] Re: Inaccurate rain recordings

2016-11-24 Thread mwall
On Thursday, November 24, 2016 at 8:58:01 PM UTC-5, vk3...@gmail.com wrote: > > I'll check a few things out when I get home but I had not realised that I > needed to provide the 'delta' rain value for each loop packet. I was > passing back the 'daily rain so far' value so I'll look into changing

[weewx-development] Re: Inaccurate rain recordings

2016-11-24 Thread vk3anz
Thanks Gary. I'll check a few things out when I get home but I had not realised that I needed to provide the 'delta' rain value for each loop packet. I was passing back the 'daily rain so far' value so I'll look into changing that and see what happens. Susan

[weewx-development] Re: Inaccurate rain recordings

2016-11-24 Thread gjr80
Thinking some more... 1.5mm of rain so far today and a plot that shows about 40 000 mm/hour. Querying the station (I assume) every 3-5 seconds, lets say about 1 000 times/hr. 40 000/1 000 gives about 40mm/query. 40/1.5 gives a factor of about 26 which given my rubbery figures is about the numbe

[weewx-development] Re: Inaccurate rain recordings

2016-11-24 Thread gjr80
Hi, No solution but some thoughts. Could be unit conversions getting messed, a factor of 10 is common when METRIC is involved since METRIC records rain in cm not mm as some might expect. But you are using METRICWX so that is not so likely. If you driver is setting the usUnits correctly and the

[weewx-development] Re: Inaccurate rain recordings

2016-11-24 Thread vk3anz
(Don't know how to edit my post) The WU time scale for the rain is that it started to rain about 0400 and finished about 0530. Susan