YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1998											5569	4725
1999	4380	4556	5566	5649	6215	7289	7881	8026	6579	6022	5857	5004	6085
2000	4472	4749	5722	5866	6296	7292	7768	8022	6590	6039	5566	4974	6113
2001	4438	4793	5826	5985	6537	7369	7811	8038	6902	6135	6031	5319	6265
2002	4354	4998	5907	6026	6573	7863	8078	8353	6675	6358	5888	5629	6392
2003	4933	5023	5952	6143	6795	7867	8554	8601	6828	6591	6022	5484	6566
2004	4523	4910	6253	6594	6780	7665	8325	8212	7013	6553	6146	5723	6558
2005	4841	5363	6522	6530	6794	7934	8769	8395	6978	6556	6496	5858	6753
2006	5200	5577	6586	6863	7147	8343	8810	8476	7473	6980	6781	6082	7027
2007	5342	5717	6946	7031	7288	8295	8800	8854	7419	7007	6873	5727	7108
2008	4858	4944	6548	6483	6931	7529	8148	8091	6711	6392	6424	4911	6498
2009	5040	5371	6413	6514	7160	7955	8828	8472	7221

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