, Wellhead , , City Gate , , Residential , , Commercial , , Commercial , , Industrial , , Industrial , ,Electric Power , Year and Month , Price , , Price , , Price , , Price , , Percentage , , Price , , Percentage , , Price , 2003 Annual Average ,4.88, ,5.85, ,9.63, ,8.4, ,78.24, ,5.89, ,22.12, ,5.57, 2004 Annual Average ,5.46, ,6.65, ,10.75, ,9.43, ,77.97, ,6.53, ,23.66, ,6.11, 2005 Annual Average ,7.33, ,8.67, ,12.7, ,11.34, ,82.12, ,8.56, ,24.05, ,8.47, 2006,,,,,,,,,,,,,,,, January ,8.02, ,10.8, ,14.94, ,14.15, ,83.95, ,10.84, ,23.79, ,9.15, February ,6.86, ,9.34, ,14, ,12.95, ,84.16, ,9.35, ,23.89, ,8, March ,6.44, ,8.81, ,13.19, ,12.07, ,83.94, ,8.23, ,23.98, ,7.36, April ,6.38, ,8.29, ,13.29, ,11.57, ,80.8, ,7.91, ,23.62, ,7.32, May ,6.24, ,7.99, ,14.43, ,11.6, ,78.4, ,7.62, ,23.91, ,6.89, June ,5.78, ,7.39, ,15.09, ,11.09, ,75.7, ,6.9, ,23.53, ,6.69, July ,5.92, ,7.4, ,15.73, ,10.98, ,74.31, ,6.77, ,23.81, ,6.69, August ,6.56, ,8.1, ,16.19, ,11.2, ,72.37, ,7.35, ,23.82, ,7.56, September ,6.06, ,7.68, ,15.73, ,11.16, ,74.53, ,7.2, ,22.22, ,6.27, October ,5.09, ,6.42, ,12.52, ,10.04, ,77.18, ,5.62, ,22.96, ,5.76, November ,6.72, ,8.47, ,12.47, ,11.05, ,80.19, ,7.74, ,23.06, ,7.48, December ,6.76, ,8.66, ,12.54, ,11.61, ,82.56, ,8.23, ,23.5, ,7.57, Annual Average ,6.4, ,8.61, ,13.75, ,11.99, ,80.69, ,7.86, ,23.51, ,7.11, 2007,,,,,,,,,,,,,,,, January ,5.92,E ,7.89, ,12.09, ,11.14, ,82.98, ,7.33, ,21.98, ,7.05, February ,6.66,E ,8.59, ,12.12, ,11.21, ,83.77, ,8.23, ,22.08, ,8.16, March ,6.56,E ,8.81, ,12.86, ,11.81, ,83.27, ,8.4, ,21.67, ,7.64, April ,6.84,E ,8.19, ,13.27, ,11.51, ,80.95, ,8.13, ,21.96, ,7.76, May ,6.98,E ,8.36, ,14.61, ,11.5, ,77.94,R,8.1, ,22.64, ,7.96, June ,6.86,E ,8.38, ,16.2, ,11.87, ,73.65,R,7.98, ,23.31, ,7.8, July ,6.19,E ,7.94, ,16.65, ,11.63, ,73.86,R,7.54, ,22.62, ,7.01, August ,5.9,E ,7.46, ,16.64, ,11.18, ,72.01,R,6.57, ,22.29, ,6.8, September ,5.61,E ,6.89, ,15.94, ,10.9, ,72.14,R,6.11, ,22.06, ,6.35, October ,6.25,E ,7.36, ,14.25, ,10.8, ,69.15,R,6.85, ,22.36, ,7.04, November ,6.37,E ,8.05, ,12.82, ,11.04, ,74.4,R,7.63, ,21.46, ,7.27, December ,6.53,E ,8.13, ,12.17, ,11.02, ,78.28,R,7.97, ,22.01, ,7.93, Annual Average ,6.39,E ,8.11, ,13.01, ,11.31, ,79.08,R,7.58, ,22.19, ,7.3, 2008,,,,,,,,,,,,,,,, January ,6.99,E ,8.38, ,12.12, ,11.07, ,78.99, ,8.19,R,20.54,R,8.48,R February ,7.55,E ,8.93, ,12.46, ,11.37, ,78.62, ,8.92,R,20.43,R,0,NA March ,8.29,E ,9.45, ,12.92, ,11.76, ,78.47, ,9.64, ,21.36,R,0,NA April ,8.94,E ,9.84, ,14.3, ,12.45, ,75.47, ,10.03, ,21.85, ,0,NA 2008 4-Month YTD ,7.94,E ,9.02, ,12.73, ,11.54, ,78.18, ,9.17, ,21.02, ,0,NA 2007 4-Month YTD ,6.5,E ,8.35, ,12.45, ,11.38, ,82.95, ,8.01, ,21.93, ,7.65, 2006 4-Month YTD ,6.93, ,9.46, ,13.96, ,12.85, ,83.49, ,9.1, ,23.82, ,7.88,