YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1990	2320	2551	3171	3293	3405	3832	4072	3966	3551	3226	2959	2152	3211
1991	2280	2939	3342	3257	3386	3906	4144	4199	3726	3419	2924	2761	3359
1992	2695	3108	3471	3539	3683	4235	4445	4489	3995	3651	3088	2358	3574
1993	2144	2776	3416	3639	3788	4109	4661	4452	4134	3799	3288	2801	3588
1994	2847	3025	3631	3926	4028	4256	4828	4611	4095	3893	3017	2781	3750
1995	2967	3063		3287	3976	4093		4322	3971	3555	3357	2908
1996	2456	2980	3445	3772	3842	4123	4510	4476	4002	3763	3508	2850	3644
1997	2711	3365	3845	3856	3903	4347	4628	4622	4066	3923	3675	3216	3846
1998	3082	3387	3788	3962	4034	4373	4668	4574	4187	4004	3692	3052	3900
1999	3011	3156	4021	3838	4003	4423	4656	4576	4271	4055	3836	3031	3906
2000	2983	3341	3861	3941	3987	4175	4424	4400	4061	3961	3380	3122	3803
2001	2774	3270	3504			4805	4458	4301	4125	3949	3658	2820
2002	2979	3554	4044	3827	3945	4384	4507	4376	4086	3861	3651	3248	3872
2003	3249	3401	3775	3647	3872	4197	4357	4482	3982	3951	3692	3012	3801
2004	2834	3122	3928	3849	3840	4186	4486	4214	4029	3860	3421	3084	3738
2005	2738	3305	3800	3745	3705	4145	4474	4092	3637	3823	3480	2929	3656
2006	2872	3312	3662	3774	3626	4110	4305	4140	3896	3884	3480	3134	3683
2007	3034	3341	3885	3768	3750	4292	4327	4232	3979	3819	3613	2919	3747
2008	2660	3045	3731	3570	3551	3827	3902	3933	3523	3448	3397	2572	3430
2009	2784	3030	3485	3502	3562	3874	4097	3987	3667

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