YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1998,,,,,,,,,,,4150,5592
1999,4772,4914,5370,5494,5108,5106,4920,5204,5209,5419,4908,5643,5172
2000,6050,3737,8521,7041,6323,6076,5838,4517,4219,4403,5252,5737,5643
2001,4684,5204,5416,5342,5362,5350,4948,5781,5777,5979,5934,6299,5506
2002,5588,5884,5843,5776,5645,5813,5640,6051,5928,6270,5885,6151,5873
2003,4968,4988,4917,4878,,4092,4388,4542,5188,5448,5303,5881
2004,4876,5441,5400,5519,5371,5485,5258,5327,5612,5642,5664,6224,5485
2005,5367,5508,5544,5606,5460,5581,5229,5674,5425,5390,5518,6010,5526
2006,5162,5445,5548,5468,5495,5476,5047,5445,5418,5285,5442,5951,5432
2007,5213,5449,5476,5259,5193,5110,4891,5227,5520,5615,5517,5799,5356
2008,4846,5350,5265,5351,5275,4972,4868,5059,5083,5338,5053,5406,5156
2009,4825,5128,4983,5117,4884,4866,4663,4934,4920