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

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