If you did not change anything except the ISS, I don't have an explanation.
The Standard skin uses a continuous line to display wind direction, which
is not a very good choice. Much better is to use discrete marks, which is
what the Seasons skin does. That will make the display look much better.
Go into the file /etc/weewx/skins/Standard/skin.conf and change this
[[[daywinddir]]]
# Hardwire in the y-axis scale for wind direction
yscale = 0.0, 360.0, 45.0
[[[[windDir]]]]
to this
[[[daywinddir]]]
# Hardwire in the y-axis scale for wind direction
yscale = 0.0, 360.0, 45.0
line_type = None
marker_type = box
marker_size = 2
[[[[windDir]]]]
Do the same thing for sections [[[weekwinddir]]], [[[monthwinddir]]], and
[[[yearwinddir]]] in the same file.
That should help a lot.
On Fri, Oct 10, 2025 at 12:20 PM '[email protected]' via weewx-user <
[email protected]> wrote:
> I replaced my Davis Vantage Pro 2 Exterior Sensor Suite with a Vantage Vue
> Sensor Suite due to hardware failures. Since then my Weewx Day Wind
> Direction graph (daywind.png) has been unreadable due to constantly jumping
> up and down full scale (see image)
> The Vue Sensor suite is aimed in the correct direction (solar panel to the
> south).
> Attached is my config file, that did not change, and the syslog.
> I hope there is a simple solution that you can help me with...
> Everything else seems to be functioning as expected.
> Thanks for considering this issue..
> [image: daywinddir.png]
>
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