Daniel,
Yes, your explanation seems very reasonable.
Like tidal-flow patterns changing.
I only mentioned it because it seemed to be so marked a difference in the activity, and I wondered why.
Michael,
when we have threads discussing breakfast menus, I don't think this thread has much chance of winning the "navel-gazing" prize.
And no, I don't think the situation requires just drastic measures as you suggest.
Not yet, anyway.
