YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
2006,,,,,,,,5946,5924,5927,5440,4982
2007,4788,4911,5531,5653,5784,5687,5406,5809,5755,5576,5031,4594,5377
2008,4411,4879,5218,5431,5557,5256,5164,5342,5282,5328,4722
2009,4377,4594,4718,4889,4939,5257,5156,5349,5412