Internet information provider comScore released March 2009 data for online video consumption. Their report indicates that U.S. Internet users viewed 14.5 billion online videos during the month, a jump of 11 percent over February 2009.

In March, comScore’s report says, 77.8 percent of the total U.S. Internet audience viewed online video. Google Sites, (parent of video powerhouse YouTube) once again garnered the lion’s share of online video-watching: 5.9 billion videos viewed, representing a huge 40.9 percent online video market share. No surprise, YouTube.com accounted for more than 99 percent of all videos viewed at Google sites. 99.7 million viewers watched 5.9 billion videos on YouTube.com (59.1 videos per viewer).

Fox Interactive Media, which owns social networking site MySpace ranked second last month with 437 million videos viewed (3.0 percent). 47.4 million viewers watched 349 million videos on MySpace.com (7.4 videos per viewer).

Breaking into the Top 3 ranking of videos viewed, Hulu chalked up 380 million video-views (2.6 percent). Yahoo! Sites tallied 335 million videos viewed last month (2.3 percent). Hulu accounted for only 2.6 percent of the online videos viewed, but 4.9 percent of all minutes spent watching online video.

comScore’s March 2009 report also showed that nearly 150 million U.S. Internet users watched an average of 97 videos per viewer during that month. Google Sites (with their huge YouTube.com site) surpassed the 100 million online video viewer threshold again, after first achieving that milestone in December 2008. Fox Interactive (parent of MySpace.com) ranked second with 55.2 million viewers, followed by Yahoo! Sites (42.5 million) and Hulu (41.6 million).

The average online video viewer watched 327 minutes of video, or nearly 5.5 hours. The duration of the average online video was 3.4 minutes.