Hmmm, a big rise today. I really don’t know where that came from. Must be more of that randomness, or something.
I didn’t get a chance to go out at lunchtime today, as something was a bit broken and I was waiting for someone to come and fix it.
Today’s picture is of some nicely ripply reflections.
 Technical details omitted for reasons of security and to avoid boring readers even more than I normally do
 Good job there are two of them
 After consulting the support guys in the US, the field engineer did indeed try turning it off then on again. This worked, of course.