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using Nest API v1.1, it seems that humidity % are round to the nearest 5%. e.g a level of 49% humidity becomes 50%, 53% -> 55%, etc..

I wonder why this would be. anyone who has the same results?

hrubix
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  • Yes, sadly I see the same behaviour as this. I suspect it's a deliberate limitation of the data provided by the API. – Richard Ev Nov 20 '14 at 13:09

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Humidistats are generally only accurate to 3-7% RH, so it would make sense to round the output to prevent developers from building logic around smaller changes.

Nest doesn't publish the accuracy rating of their humidity sensor though.

David W. Keith
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