Tom, this is the
third topic you have started, essentially on same theme.
On 2 April you asked about using "EasyWeather option in Cumulus" and software clashes with that option.
On 7 April you asked about leaving your computer on with that option.
Yesterday (11 April) you once more ask about software clashes with that option, i.e. you are continuing first topic's issue.
As Water01 said in your first topic, you need to have both devices on all the time if Cumulus is using the "EasyWeather option" as it needs to read the file that your weather station is updating, and it only processes what it reads in that file when it has changed, and that means the other software must be running to change it.
Let me step back from all this.
Does your station have a USB connection to the computer where you got that screen shot from?
If it does, then Cumulus (of either flavour) can talk to your weather station via that interface directly, but only if you stop running SmartWeather.
You would need to choose the Fine Offset option, as your station does not have solar sensors as far as I can tell from that screenshot. In that mode, Cumulus interrogates the station every
half minute or so, that is more frequently than the station sensor reading actually update, but that just means it reads the same on two successive reads in approximately half the cases.
Assuming that it does have a USB, assuming that the Fine Offset option works, then you would be able to turn off your device overnight, the effects on accuracy I mentioned before would still apply, but Cumulus on restarting (with the logging option Paul mentioned ticked) would read the (by default, have you changed this interval yet?) the readings logged every half hour in the station console. To change the interval from every 30 minutes, either do it using an option on your SmartWeather screen, or download the utility
https://cumuluswiki.org/Downloads/SetLogger.zip for setting the logger interval.