phranque - 9:21 am on Nov 4, 2012 (gmt 0)
it implies that your page is either #1 or it doesn't show up at all.
this could theoretically happen with personalized search.
that's why i pointed out that the times is doesn't rank don't get averaged in with the searches where it rank well.
GWT doesn't distinguish between the two unless you tell it to.
local/vertical search - another case in point.