YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1990	2496	2624	3066	3634	4690	5240	6207	5783	5000	4251	3321	2507
1991	2297	3348	3162	3577	4610	5471	6619	6421	5380	5050	3547	3267
1992	3031	3646	4010	4387	5993	6101	7002	6944	5513	5533	3952	3067
1993	2982	3517	3519	4273	5980	6223	7859	7414	6467	6011	4503	3948
1994	3829	3578	4123	4864	5671	6777	8655	7554	6794	6386	4194	3872
1995	3778	4423	4261	4877	6195	7123	8691	7872	6407	6226	4742	3822
1996	3439	4303	4426	4875	6039	7145	8813	8317	6742	6142	4629	3578
1997	2639	4375	4173
1998	3847	4387	4449	5069	6114	7371	9192	8741	7393	6471	5280	4323
1999	4188	4124	4600	5175	6470	7609	9439	8705	7427	6684	5397	4444
2000	4049	4745	4867	5558	6421	8093	9626	8770	7312	6569	5035	4520
2001	4287	4620	4986	5518	7413	8320	9668	9184	7346	6919	5660	4506
2002	4437	4901	4877	5531	7317	8579	10027	9734	7816	7129	5780	5079
2003	4794	5263	5225	5685	7526	8941	10327	9864	7962	7529	5766	5141
2004	4407	5113	5574	6359	7718	9105	10729	9403	8523	7671	6122	5558
2005	5252	5870	6004	6407	7884	9076	11052	10093	8337	7600	6238	5464
2006	5178	5720	5728	6227	7604	9225	11022	10048	8648	8045	6555	5802
2007	5666	5950	6297	6790	8403	9671	10910	10052	8179	7847	6636	5743
2008	4998	5403	5519	5934	7079	8105		9580	7588	6826	5709	4821
2009	4893	5469	5101	5717	7453	8412	10434	9389	7850	6598	5484	4826
2010	4854	5147	5194	5564	6666	8209	10447	9430	7507	6754	4980	4623
2011	4715	4936	4857	5091	6409	7981	9933	9138	7670	6701	5284	5200
2012	5005	5379	5158	5767	6975	8633	10421	8907	7839	6886	5599	5359
2013	4814	5521	5838	6161

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