Sorry for the slow reply.... thanks to your helpful info, I found out that 
I was missing the  pyephem module wasn't installed.
So as part my machine update that hadn't gotten updated.   I did also check 
the  maxSolarRad = prefer_hardware setting first
and made sure it was set that way as well.

Now it's properly displaying the graphs I had seen before.

Thanks again!

Earl

On Tuesday, August 9, 2022 at 11:19:41 PM UTC-4 gjr80 wrote:

> You might want to check that the pyephem module is still available to 
> WeeWX, this could be the problem if in upgrading WeeWX you moved from 
> python 2 to python 3. If you are running WeeWX v4.7.0 or later check the 
> WeeWX startup log to see if pyephem was found, you should see one of the 
> following two entries in the log:
>
> 'pyephem' detected, extended almanac data is available
>
> or
>
> 'pyephem' not detected, extended almanac data is not available
>
> (While looking in the startup log take note of the python version being 
> used by WeeWX, you will need it later if re-installing pyephem. It will 
> be near the start of the startup log.)
>
> If you saw the latter WeeWX did not find pyephem and you should first try 
> re-installing pyephem as outlined below. If you are running WeeWX v4.6.2 
> or earlier you will not see either of the above messages, you will need to 
> check for pyephem manually. Look in the log for the python version WeeWX 
> is running under, you will see this logged by WeeWX during WeeWX startup. 
> Note that depending on your system it may be different to the version used 
> when executing the python command from the command line. If WeeWX is using 
> python 3 what do you see when executing the following from the command line 
> on your WeeWX machine:
>
> $ python3 -c "import ephem; print(ephem._version__)"
>
> If WeeWX is using python 2 try:
>
> $ python2 -c "import ephem; print ephem._version__"
>
> If you are presented with a version number similar to the following then 
> pyephem is loaded:
>
> $ python3 -c "import ephem;print(ephem.__version__)"
> 4.1.3
>
> If you get a ModuleNotFoundError then pyephem is not installed and you 
> will need to install it for the python version used by WeeWX. 
>
> To re-install pyephem under python 3:
>
> $ sudo apt install python3-ephem
>
> For python 2:
> $ sudo apt-get install python-dev 
> $ sudo apt-get install python-pip 
> $ sudo pip install pyephem
>
> Stop WeeWX if it is running and try running WeeWX directly, do you see 
> MaxSolarRad in the output? If so exit and restart WeeWX as a daemon as 
> per normal. If not let us know.
>
> Gary
>

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