There is no clear trend—except up and down and up and . . . . But if it makes your stomach feel any better, the monthly averages (below) are remarkably consistent. And the monthly averages are far more meaningful than those queazy daily shifts.
There is no clear trend—except up and down and up and . . . . But if it makes your stomach feel any better, the monthly averages (below) are remarkably consistent. And the monthly averages are far more meaningful than those queazy daily shifts.