YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1992			18371	19047	18064	16873	14253	26544	26636	25158	23695	23269
1993	21556	24692	26445	28343	22400	26307	26719	27672	29690	29656	28823	28459
1994	27753	30018	31604	31167	30382	32143	29305	31083	32201	31579	30129	28816
1995	29683	31218	31878	32687	31453	32785	31028	31958	32839	33164	31559	29412
1996	29998	32361	32588	33648	31703	32780	30108	31951	33136	32612	31790	28766
1997	29462	32385	31892	33388	32666	33904	31036	32523	33786	33516	32700	31284
1998	30424	33933	33759	34584	33060	34830	31858	32958	33570	33042	28548	31084
1999	31672	32567	33841	35258	32222	33136	30435	31525	32497	33205	31808	30265
2000	29374	31220	31348	32540	31580	31825	32325	31515	34153	31663	29801	30183
2001	28666	31456	32271	33240	31877	33455	31674	33916	34644	35388	33826	31414
2002	33084	35388	34521	37348	35354	34592	33505	35088	35757	36849	34519	33646
2003	33065	34651	33429	35882	33814	34223	32747	33076	35940	36367	33279	33762
2004	32304	35402	36814	37590	34752	35303	33502	34663	37085	36294	35498	34454
2005	35130	37406	37506	38250	35527	37105	34412	37342	37095	36939	36083	36461
2006	34948	37624	37826	37332	36906	36940	34132	37267	37404	37310	36094	33972
2007	35466	37762	37952	38250	37145	36498	34816	37232	37024	39269	36380	33304
2008	32692	36864	35827	38398	36488	34668	34033	34352	36748	36643	33183	32875
2009	32612	36401	35572	37924	35240	35652	34488	34529	37324	36728	34632	33623
2010	33199	36915	37712	37682	35744	36452	35310	36606	38331	37358	35058	34037
2011	34925	36994	37217	37985	36505	36614	34951	36764	37527	37490	35071	34445
2012	33850	36957	36587	37851	36632	35940	33938	35771	37511	37554	35582	34353
2013	32217	36887	37183	38314

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