Data Spiking Up and Down

I have only had my pulse a couple weeks and love it,on the data graph is it best to have lines straight as possible and not spiking up and down,since I have fiddled with AC ana humidifier and dehumidifier my vpd is always very good,? Does that make sense to U ?

Yes but I like to focus on the average day and night as I feel like this is what the plant is experiencing. The bigger your room the more stable I find the reading are