Woah.... the office apparently has only 21% humidity today / currently. It had been sitting around 30% all of last week, going as high as 32 and as low as 29. (It used to be up around 40-50% a few mo...
@nprofile1q... Relative humidity is just that. It depends on the temperature. Cool an airmass without changing the water vapour content and the RH % will go up.