Humidity spikes

Hey,

I’m looking for a quick and simple way to build an advanced flow which will detect a spike in an Aqara T1 Temperature & Humidity Sensor.

I’m aiming to turn on my bathroom shower fan automatically when a spike in humidity of 5-10% within one minute is detected

Building this in with logic seems to be a bit more challenging than I thought it would be.

Also should say that I live in the UK so building in a simple flow, like “Humidity increases above 70%” isn’t very practical as the ambient humidity generally fluctuates in the room between 50-75% in the winter, because we like to keep the thin horizontal bathroom window slightly open most days to circulate air.