YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1990	30899	32618	33025	32939	32932	33636	31995	33310	31034	32133	21650	13727	29972
1991	13432	14353	14122	14542	14531	14319	13603	14147	13157	13683	9219	26087	14621
1992	29162	32202	33978	32704	31117	33286	31592	22190	19734	20463	18931	15688	26804
1993	17325	19741	20925	20670	19756	19558	14741	15434	20667	20646	19772	20222	19105
1994	19318	20197	21338	20996	20375	21598	18799	19998	19389	19171	18482	18632	19852
1995	18699	19351	19601	19851		21153	19279	19827	19368	19597	19049	18978
1996	18507	20063	20828	20582	20312	21292	19287	20050	19764	19417	18901	18482	19790
1997	18350	19437	19896	20281	20248	21131	19397	19826	19710	19511	18812	18915	19626
1998	18039	19924	20175	20474	20087	21031	19711	19999	19258	19108	18015	18801	19552
1999	18571	19107	19745	20135	19987	20462	18484	18563	17993	18133	17373	17438	18833
2000	17359	17879	18160	18279	18031	18848	18080	17853	17724	17779	16864	17284	17845
2001	16601	17541	17855	17992	17902	18845	17244	17751	16956	17128	16699	16403	17410
2002	16559	16691	16089	17376	17298	17301	16621	16947	16529	16925	16245	16155	16728
2003	14489	13907	13476	13937	13569	13990	13153	13029	14224	15050	14006	14787	13968
2004	14292	15222	15813	15598	15188	15663	15109	15611	15443	15166	14888	15267	15272
2005	14806	15781	16102	16110	15640	16334	15264	16169	15628	15343	15085	15101	15614
2006	15084	15976	16215	15883	16026	16300	14880	16090	15600	15609	15244	15073	15665
2007	15270	15846	16169	15929	15860	15692	15015	16072	15720	15700	14904	14689	15572
2008	14914	15604	15247	15740	15413	14952	14506	14390	14743	15056	13801	14324	14891
2009	14327	15508	14971	15401	14804	15379	14593	14029	14836

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