|Energy Release Component (ERC) data for western Texas displayed from 1 January 2005 through 1 November 2011. Displayed is the average ERC value ("Average ERC" in black), comprised of the mean ERC calculated from Lubbock, Amarillo, Midland, San Angelo and Wichita Falls combined. Also displayed is the historical maximum ("Max ERC" in red), minimum ("Min ERC" in green) and median ("Avg DP_50" in purple) ERC value for each date. Click on the above graph for a larger image. To view a comparable graph going back to 1 January 2000 CLICK HERE. ERC graphs for all the regions of Texas can also be found FOUND HERE.