Google hopes more specific data will make the information more actionable for webmasters. This will also help webmasters who have sites with a lot of "The change will be rolled out within the next few days and will display for those that have at least one page from their website displaying in Google's search results.
Google Webmaster Tools will now provide more specific details about the number of impressions and clicks your site gets from search. Also, a new filter will be of particular interest to those webmasters who have a lot of mobile traffic.
Read more: http://searchenginewatch.com/article/23 ... Query-Data
Thanks!