You're talking about something completely different from the comment you're responding to. You're comparing entirely to historical averages (even the "other measurements" link is all about historical levels relative to other indicators). The parent comment appears to be speaking normatively, as in "much higher than it should reasonably be".
It's about where it was 50 years ago, measured in real dollars: http://www.pewresearch.org/fact-tank/2013/12/04/5-facts-abou...
By other measurements, it's relatively low: http://www.cepr.net/publications/reports/the-minimum-wage-is...