YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1990	474	601	645	572	734	1600	2722	2381	1621	938	439	510	1108
1991	563	726	516	473	889	1756	2891	2515	1710	992	461	535	1173
1992	588	759	543	497	934	1844	3037	2665	1812	1108	544	440	1238
1993	448	660	700	581	865	1553	2714	2480	1708	1181	573	592	1176
1994	700	713	844	615	940	1734	2965	2488	1620	1140	553	593	1248
1995	662	951	739	558	655	1529	2846	2655	1817	1159	632	748	1246
1996	708	889	941	626	728	1448	2929	2638	1600	1129	602	579	1235
1997	736	957	888	547	742	1445	2715	2569	1520	1014	589	706	1202
1998	758	910	916	600	695	1432	2738	2568	1677	1022	553	815	1224
1999	911	834	927	602	678	1447	2819	2579	1778	1069	569	985	1267
2000	886	1046	1026	593	775	1673	2901	2393	1509	1048	596	888	1278
2001	955	1047	913	566	972	1775	2867	2639	1691	1143	737	868	1348
2002	949	1173	1070	857	1013	1909	3082	2588	1699	1066	622	720	1396
2003	1069	1068	978	637	768	1645	2576	2428	1538	1142	633	922	1284
2004	899	1020	943	593	809	1620	2754	2335	1669	1043	522	751	1247
2005	921	1047	872	611	777	1450	2695	2217	1487	965	649	924	1218
2006	871	973	829	619	708	1529	2584	2176	1462	963	559	932	1184
2007	852	984	848	524	811	1600	2443	2334	1407	853	529	859	1170
2008	741	901	796	629	584	1372	2285	2105	1321	908	508	519	1056
2009	717	877	768	574	702	1333	2438	2073	1469

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