Need suggestion on contracting rate

While we work on ramping revenue I'm taking on some consulting work. I need to put in a proposal tomorrow. What I'm looking for is reference points for hourly contracting rates. Something like, "I did the following work and charged $x per hour".I'm not too concerned about the type of work done for that rate, as I can triangulate on the right rate for me given enough data points (from generous folks like yourself!)

thanks in advance