YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1990	6382	6858	7776	8056	8245	9270	9401	9407	8297	7944	7606	6281	7966
1991	6413	7188	8097	8318	8620	9573	9799	9938	8859	8448	7599	7274	8351
1992	7006	7650	8349	8697	8935	9825	10021	10259	9555	8910	7882	7290	8725
1993	6851	7709	8659	9185	9350	10404	10727	10837	9773	9179	8232	7665	9055
1994	7697	7751	9207	9430	9579	10538	10950	11039	9991	9442	8644	8108	9375
1995	7927	8464	9221	9565	9768	10787	11038	11236	10488	9889	9185	8534	9675
1996	7580	8625	9795	10015	10230	11448	11328	11561	10323	9862	9216	7925	9826
1997	7916	8740	9705	10082	10618	11009	11386	11793	11005	10336	9820	8830	10103
1998	8336	9169	10051	10855	11067	12331	12419	12790	11661	10997	10304	9343	10777
1999	8928	9357	10715	10996	11533	12864	12618	10430	11782	11336	10556	9506	10885
2000	8979	9608	10673	11013	11403	12548	12750	12992	11729	11193	10148	9570	11051
2001	9055	9659	10819	11210	11569	12755	13535	13880	11683	11206	10502	8917	11233
2002	8793	9757	10536	10818	11458	12212	12111	12439	11528	11055	10281	9566	10880
2003	9146	9550	10233	10678	11135	12158	12088	11744	11085	11119	10063	9098	10675
2004	8496	9039	10714	11181	11203	12302	12725	12619	11797	11474	10305	9727	10965
2005	8617	9933	11042	11194	11504	12389	12646	12740	11589	10800	10340	9286	11007
2006	8837	9665	10550	10993	11462	12490	12413	12361	11778	10988	10492	9580	10967
2007	9066	9757	10928	11214	11530	12461	12633	12779	11736	11330	10771	9229	11120
2008	8811	9555	10341	10785	10985	11701	11873

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