I knew that was not your peer group, but sometimes it can give you an idea. All else being equal (good numbers historically) if all of sudden you are 20% off the 10 closest stations, and 2 are airports, chances are its you.
Its too bad they dont give some indication. 1,2,-5-? station average min.... within x miles, with a track record of y days reporting, knocked out if so and so happens.
Yes, you're exactly right Andrew.
Didn't mean to hijack the thread.
Lynette - give it a couple more days and see if it continues. Perhaps consider sending phillip gladstone an email about it (and/or the qa mailing list)