YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
2006,,,,,,,,,5792,5723,5641,5634
2007,5189,5411,5804,5878,6207,6466,6802,6692,6300,6163,6106,5652,6056
2008,5231,5454,5805,5980,6458,6654,6860,6841,6324,6227,6003,5845,6140
2009,5510,5722,5817,6148,6676,6871,7205,7121,6715