Ignoring outlining data

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Problem ploting Data

Hi! I´m using a Node MCU D1 mini and a ds18b20 temperature sensor. The sensor works fine, I´m able to plot the data in the graphs but every now and then it displays a -127 or a 85 and then returns to show the real data. Can anyone give me a hint of where is the problem? [Plot%201] Best Regards, Tomás

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