YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1994			4129	4116		4444	4202	4413	4310	1184	3217	4107
1995	4349	4528	4637	4835	4720	4893	4744	4868	4812	4859	4703	4416	4697
1996	4451	4714	4991	5216	5249	5395	5103	5321	5201	5092	5113	4733	5048
1997	4718	5128	5475	5584	5701	5871	5729	6021	6051	6110	5962	5932	5690
1998	5631	6117	6437	6764	6623	6798	6720	7018	6910	7084	6532	6856	6624
1999	6886	7249	7445	7278	7216	7946	7813	7585	7859	7888	7601	7638	7534
2000	7264	7746	7977	8286	8443	8632	8354	8659	8514	8640	7242	4625	7865
2001	4343								8430	8934	7792	8662
2002	8582	9163	9444	10244	9031	9436	8703	9725	10020	10353	10053	9973	9561
2003	9890	10380	10373	10925	11191	11411	10873	11070	11236	11253	10683	10917	10850
2004	10450	11603	12400	12293	11680	11669	11591	11752	11869	11452	11169	11860	11649
2005	11317	12190	12287	12609	12692	11998	11963	12978	12995	13001	12779	12740	12462
2006	12562	13552	13878	14245	14455	10794	10561	13954	13920	14313	13576	13781	13299
2007	13152	13900	14191	14163	13682	13377	13206	14740	14020	14516	13733	13328	13834
2008	12323	13329	13558	14038	14170	13290	12882	13224	13047	13364	12788	12865	13240
2009	12569	13235	13102	13842	13685	12596	13322	12960	13318

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