Last week, we looked at the latest search market numbers from Experian Hitwise, which showed Google accounting for 65.09% of all U.S. searches, Bing-powered searches (Bing/Yahoo) accounting for 28.99%, Yahoo accounting for 15.890% and Bing accounting for 13.1.

Today, comScore put outs its version of the search market report, saying that Google sites led in August with 64.8% market share, followed by Yahoo sites with 16.3% (up 0.2%) and Microsoft with 14.7% (up 0.3%).

“In August, 66.8 percent of searches carried organic search results from Google (vs. 67.2 percent in July) while 27.1 percent of searches were powered by Bing (vs. 26.8 percent in July),” the firm reports.

The Ask Network accounted for 3% of explicit core searches (up 0.1%) and AOL accounted for 1.3%, according to comScore.

According to comScore, Americans conducted 19.5 billion total core search queries in August. That’s one percent more than July. That’s 12.5 billion for Google, 3.6 billion for Yahoo and 2.6 billion for Microsoft .