Circular chip in Double Glazed window

[Vir Campestris]

I disagree.

What you want is the lowest _absolute_ humidity, not the lowest relative humidity - and that's best achieved when we get a really cold spell, ideally a dry one.

You've seen the forecast I trust?

Andy

[The Natural Philosopher]

and you are indoors in central heating.

From time to time.

[Animal]

they're not usually airtight, don't worry about it.