YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1990	7180	7811	8903	9328	9498	10424	10460	10412	9504	9012	8567	7151	9026
1991	7165	8128	9107	9376	9470	10778	11095	11223	10213	9713	9233	8325	9492
1992	7889	8671	9412	9841	10149	10994	11223	11437	10776	10096	9636	8268	9895
1993	7846	8646	9770	10236	10576	11366	11977	12013	10819	10552	9366	8826	10176
1994	8387	8795	10470	10750	11557	12209	12531	12569	11335	11108	9494	8856	10684
1995	8790	9405		10617	11116	12028	12340	12436	11694	10838	10245	9606
1996	8348	9639	10875	11008	11448	12533	12774	12805	10514		10487	9166
1997	9062	10046	11085	11402	12081	12439	12901	13306	12494	11763	11186	10133	11492
1998	9569	10412	11420	12283	12449	13637	13854	14042	12943	12268	11560	10508	12079
1999	9985	10530	11980	12272	12769	13876	13946	14053	13103	12461	11892	10691	12297
2000	9930	10779	11730	12236	12645	13715	14121	14119	12790	12189	11090	10499	12154
2001	9855	10487	11724	12323	12729	13769	13805	13842	12564	12072	11539	10042	12063
2002	9893	10961	11870	12239	13083	13890	13837	14003	13024	12481	11530	10791	12300
2003	10274	10753	11542	12003	12855		13506	14165	12999	12229	11118	9812
2004	9657	10204	10323	12494	12451	13434	14023	13768	12977	12272	11435	10553	11966
2005	8969	10822	12032	12495	12624	13123	13700	13790	12611	11873	11387	10256	11974
2006	9850	10786	11587	12203	12570	13523	13628	13520	12887	12093	11515	10677	12070
2007	9788	10881	12143	12284	12463	13583	13886	14131	12923	12383	11866	10249	12215
2008	9629	10514	11405		12122	12540	12777

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