YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
2005		8656	8688	9315	9155	8884	8550	9368	9191	9611	8315	7550
2006	7790	8321	8774	8969	9105	8999	8657	9403	9043	9059	8000	7397	8626
2007	7282	8022	8475	8813	8944	8599	8566	9409	9075	9092	8186	7183	8471
2008	6959	7712	8022	8692	8851	8527	8637	8992	9162	9028	8114	6885	8298
2009	6954	8134	7909	8953	9092	8981	8912	9518	9094	9194	8028	7356	8510
2010	7378	8168	8459	8820	8853	9109	8759	9390	9231	9055	8930	6927	8590
2011	7267	7481	7973	8424	8560	8283	8285	9212	9061	8738	7621	7252	8180
2012	6786	7727	7837	8427	8457	8180	8211	9082	8654	8590	7692

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