Via Matt Yglesias, a great chart from the recent Gold Medal hockey game between Canada and the US in Vancouver.   When 2/3rds of the entire country is watching, you know it’s a big deal.

This chart looks at the water consumption in Edmonton, Alberta over the course of the game – comparing it to the day before, an average weekend day.

You can see the tension building with higher peaks after each period.  Now you can see why one of the major milestones for any new sports stadium is flushing all of the toilets and urinals at the same time.