The preliminary estimate of ready mixed concrete produced in March 2013 is 21.3 million cubic yards, 2.9% lower than in March 2012. The production through March 2013 is estimated at 56.5 million cubic yards, 0.6% higher than during the first quarter of 2012. Details of ready mixed concrete production are posted on the NRMCA Web site for access by NRMCA members. This includes the production by state for the first quarter of 2013.