John Mueller, Google’s Webmaster Trends Analyst, announced on the Google Webmaster Blog that they are no longer rounding the search query data within the Google Webmaster Tools Search Queries report.
John said, “data in the search queries feature will no longer be rounded / bucketed,” and you will start to notice these changes in Webmaster Tools in the next few days.
Here are before and after shots of the data, as you can see the new report shows 15,026,995 impressions and the old one showed 14,000,000 impressions:
What John did not announce is a feature where Google Webmaster Tools Search Queries report now shows the keywords you get impressions and clicks for by keyword under the top pages report.
Here is a screen shot: