I think my humidity sensor is dying or the automatic calibration is a bit overzealous. It seems to be reading a lower and lower amount over the last 3-4 days. We have had nearly constant rain over that time so I would expect it to read near 100%. Here’s my graphs of RH and the rain we received over the same time period:
Hard to tell, but indeed weird. Gues we need input from WF people
@anon84912554 : any Cl acting weird or sensor loosing sense ???
@anon84912554
Any input on this? My guess is failing hardware but I’m open to suggestions.
Just an update. Still hanging at very low levels but it did see a bit of a bounce off the floor for a short time but then back to declining RH…
Similar happened to me just this morning. There was obviously a wave of dry air coming in but 0% relative humidity is quite impossible I think 
I guess some algorithm is correcting the raw humidity value too much. I’d prefer to get a raw value even if it makes few % mistake.
Attached comparison plot WF vs VP2 (humidity only).
zero is indeed not a ‘usual’ value
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