YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
2005,,,,,,,,,,,,36030
2006,37012,39200,39862,39668,38651,39000,37338,38543,37234,38041,35939,35315,37984
2007,34915,36978,38215,38870,39528,39059,38220,39822,36766,37531,35919,35151,37581
2008,33023,35676,36478,37737,38607,37795,37258,37239,35889,35946,33970,34196,36151
2009,32583,34421,34528,37295,38133,38246,37367,37070,36345