Hi,
i am using influxDB to store some Values from ioBroker PV-Forecast.
Those values are fetched in 2 queries from influxDB and should be added.
Means: 150Wh from Query A with 150Wh from Query B result in 300Wh, which works so far.
But for some hours, special the night ones 
, there are no forecast values - therefor they are null or do not exist.
How is it possible, to remove the graph for those ones?
Example here:
Thank you!