Something happens to organizations in the Summer and most of us feel it without naming it.

The building runs on a smaller crew. Half the people who normally answer within the hour are somewhere with their phone face down and quite a lot of what the organisation knows is away with them.
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This is when you find out what your organisation actually knows, as opposed to what a few individuals happen to remember.

For most of the year, the gap is invisible. When everyone is present, missing reasoning gets patched in real time. You don't understand why a process works the way it does, so you ask the person who designed it, and they explain it from memory in thirty seconds. The knowledge was never written down, but it was never missed either, because the carrier was at the next desk.

Summer removes the carrier. The person who could explain in thirty seconds is on a beach, and the same question now takes a colleague half a day of digging or worse, produces a confident guess that turns out wrong.

None of this is a crisis. It is mildly inconvenient, and it resolves itself in September. But it is a useful, low-stakes preview of a much larger problem, because the holiday gap and the permanent gap are the same gap.

When someone goes on leave, their knowledge becomes temporarily inaccessible. When someone leaves for good, or moves roles, or retires, that same knowledge becomes permanently inaccessible and there is no September to look forward to. The reasoning behind a decision they made three years ago doesn't come back from holiday. It is simply gone, and the record that remains confirms that the decision was made without explaining why.

Summer just makes the mechanism briefly visible.

So it is worth paying attention to what the quiet weeks reveal. Which questions can't be answered while a particular person is away? Which processes only really make sense to one individual? Where does the covering colleague say "I'll check when they're back" — and what would happen if they never came back?

Those are not summer problems. They are the year-round problems, wearing a lighter outfit.

The organisations that handle August well are usually the ones that already do the unglamorous work: capturing why things are done the way they are, not only how; keeping the reasoning behind decisions accessible to people who weren't there when they were made. For them, a colleague going on leave is a scheduling matter, not a knowledge outage.

For everyone else, summer is a two-month reminder that quite a lot of what the organisation knows is actually just what specific people remember.

The good news is that it's a gentle reminder. Nothing important usually breaks in August. But it's worth noticing what goes quiet while people are away, because the same silence arrives permanently, eventually, and with far less warning.

For now, though, if you're one of the people currently away-enjoy it. The reasoning will keep until September.

And if you're holding the fort: make a quiet note of every question you couldn't answer this month. That list is more valuable than it looks.

The views expressed in this article are my own and do not represent the position of my employer or any institution I am associated with.

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