YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1990	32888	34823	31391	34363	26378	35681	34029	35354	33192	34248	28814	27995	32404
1991	29739	32228	31975	33663	32584	31900	30790	30785	31057	31956	28560	28514	31135
1992	29108	23271	13339	13154	12838	18239	17692	17692	14698	14762	14007	14606	16983
1993	13916	14871	15240	15602	15092	16163	15128	15585	15940	16056	14983	15003	15298
1994	14520	15334	16110	15725	15451	16433	14554	14994	18142	17797	17371	14500	15905
1995	14279	14795	14930	15181	15065	15858	14588	14975	14555	14945	14376	14254	14817
1996	13931	14911	15421	15428	15430	16447	15020	15486	15027	14577	15449
1997	12539	13283	13769	13885	13724	14576	13114	13486	15578	15728	12694	12726	13759
1998	12454	13385	13536	13260	12711	13427	12048	12335	12076	11872	11175	11160	12453
1999	11057	11409	14887	15524	15208	15555	14061	14206	13831	13980	13230	13348	13858
2000	13485	14133	14162	14073	13875	14641	13568	13539	13450	13663	12922	13121	13719
2001	11530	12182	12334	12546	12362	12796	12200	12420	11561	11528	11255	10808	11960
2002	11002	11387	11283	11842	11626	11800	11369	11548	11121	11565	10954	10770	11356
2003	10707	10940	10720	11231	11056	11387	10682	10673	10844	10960	9940	10314	10788
2004	9995	10600	11085	11083	10712	10953	10953	10917	10756	10513	10257	10402	10686
2005	10061	10639	11000	11002	10815			13059	12611	12451	12087	12100
2006	12084	12710	12961	12744	13000	13333	12172	12743	12764	12763	12098	11735	12592
2007	12248	12650	12927	12785	12776	12781	12270	12785	12336	12825	12272	11753	12534
2008	11997	12562	12290

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