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

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