In the old days Yahoo’s keyword tool (overture) would provide real dollar amounts for various keywords. The tool was invaluable in finding profitable keyword niches. Yahoo and Google don’t provide actall CPC data anymore. Instead they opt for ambiguous colored bars to describe “competitiveness”.
If you are looking to place adSense or other CPC advertising on your site knowing what to expect per click is important. Here is the work around for finding that data.
Step 1: Do an organic search for your target keyword.
Step 2: Copy the domain name of the top result
Step 3: Paste the domain here http://www.google.com/sktool/#
Step 4: Look at actual adSense Payouts for Keywords!