Well, the data from 16-19 September looks like it is available when you pull it up as a daily table, but it doesn't appear in the monthly tabular or graphic summary.
One note of caution, when I was looking at some of my data from 20 September on WU (presumably after some of the recent software debacle had been "fixed") there were some LARGE discrepancies. For example, the Low temp for the day in the daily summary was listed as 69.3 deg, when it was actually 54 deg when you look at the 5-minute data listing. The Average temp for the day was WAY off too, of course (about 7 deg too high). The values for 21 September look ok, so go figure. So be careful if you're using this for your data base.
Still waiting for my webcam to re-appear, but that's grist for another thread.