YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
2001										23417	24844	23753
2002	23159	24348	25136	24823	25527	25402	25543	26018	24387	22576	24026	25092	24670
2003	23145	23981	23889	24876	25684	25632	25274	25416	20692	23949	22697	24406	24137
2004	22993	23055	24398	24458	23856	25036	24954	24518	23553	23589	23349	24768	24044
2005	21958	23577	23826	23619	23909	24552	24887	26374	23182	23022	22870	24793	23881
2006	22044	23305	24252	23855	24676	25040	24344	23920	19593	23449	23686	24694	23572
2007	22555	24098	25237	25000	25725	25844	25266	26422	24014	24895	24067	23946	24756
2008	22481	23423	24083	25027	26501	25759		24708	24415	24917
2009	23916	24936	24496	26694	25486	24658	24810	25089	24254

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