It was the hottest March in both satellite records (UAH and RSS), and tied for the hottest March on record in the NASA dataset. It was the hottest (or tied for hottest) January through March in all three records.
The record temperatures we’re seeing now are especially impressive because we’ve been in “the deepest solar minimum in nearly a century.” It now appears to be over. It’s just hard to stop the march of anthropogenic global warming, well, other than by reducing greenhouse gas emissions, that is.
NASA’s prediction from last month is standing up: “It is nearly certain that a new record 12-month global temperature will be set in 2010.”³ Actually, NASA made that prediction back in January 2009: