Tom, the standard skin seems to have an aggregate_type = none in the image
section header which covers the day plot and aggregate_type = avg for the
week images header - which clearly wont work for the winddir for reasons
you gave. I am baffled in that the original plot appeared to be a day
plot, so should have had no aggregate.
Miguel - try and set aggregate_type = none for the daily winddir plot and
see if it makes a difference.
On Monday, 19 September 2016 22:00:49 UTC+3, Miguel Iniesta wrote:
> Hello Tom,
> This plot has not been customized. It is the original wind dir plot from
> # Hardwire in the y-axis scale for wind direction
> yscale = 0.0, 360.0, 45.0
> Therefore, the problem is that the value of $current.windDir corresponds
> to the arithmetic average of all the compass wind direction over each
> archive interval, while we expect the vector averaged wind speed. Is it
> In that case, it would be very useful to change it.
> Please, let me know if I can help.
> Thank you very much.
> On Sunday, September 18, 2016 at 8:35:03 PM UTC+2, Tom Keffer wrote:
>> Hello, Miguel
>> Are you using an aggregation type of 'average' for your plot? If so, the
>> average of, say, 355 and 005 will be 180, not 0 as one might expect.
>> On Sun, Sep 18, 2016 at 9:45 AM, Miguel Iniesta <mgn...@gmail.com> wrote:
>>> WMR 300
>>> weewx v3.5.0 driver 0.10
>>> There seems to be an error with wind direction in range about 330 - 30.
>>> Yesterday 17/9/2016 about 18 h., I observed that while wind direction
>>> (station display and sensor) was N weewx recorded S.
>>> Afterwards, when wind direction changed to NW (under 330), weewx wind
>>> direction record became correct.
>>> Unfortunately At this time of year, I can monitor the station just for
>>> some hours a week.
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