On 11/03/2017 13:52, David wrote:


All very puzzling as I would expect the weather to be reasonably heavy and
clammy at 90% humidity, although the same amount of water in the air at
10C outside and 20C inside would give quite a different relative humidity.


Therein lies the clue. The higher the air temperature, the more water it
can hold. At 10 degrees it can't hold very much - which is why even a
high relative humidity doesn't necessarily feel clammy. More likely to
feel 'raw'.
--
Cheers,
Roger
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