Happy Monday - 99.9%

If we got it right 99.9% of the time:-

For three quarters of an hour per month we would be supplied with unsafe water.
Twenty four landings at Chicago airport would crash each year.
The gas and electricity would be cut off for three quarters of an hour a month.
Every hour the US mail would lose 16,000 items.
Banks would misapply 26,000 deposits every hour.

I guess 99.9% ain’t quite good enough.

(Having just re-read this I'm not so sure it qualifies for Happy Monday...  May do anothwr one later... )