YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1990	461	525	698	743	917	1216	1765	1524	1170	769	606	515
1991	467	669	663	666	848	1244	1749	1623	1174	868	564	617
1992	581	667	735	708	964	1297	1841	1583	1241	917	626	542
1993	502	557	694	672	841	1313	1793	1711	1321	971	656	629
1994	635	652	803	832	1101	1404	2022	1756	1396	988	657	685
1995	616	768	747	797	1037	1406	1959	1928	1490	1127	832	823
1996	531	709	830	762	1082	1477	2155		1459	1075	799	634
1997	651	724	821	825	1793	2428	2147	2025	1543	1139	915	800
1998	656	794	922	943	1179	1625	2268	2410	1771	1351	911	879
1999	745	796	1054	1051	1398	2084	2687	2723	2158	1834	1160	922
2000	840	970	1071	1167	1515	2075	2605	2557	2024	1477	1060	999
2001	964	995	1168	1164	1569	2014	2582	2527	1940	1571	1292	1002
2002	931	1086	1166	1273	1643	2251	2755	2691	2269	1791	1260	1153
2003	1058	1106	1169	1303	1737	2241	2850	2632	2223	1846	1210	1155
2004	1075	1080	1170	1417	1783	2152	2588	2470	2188	1682	1346	1242
2005	1040	1209	1274	1436	1729	2211	2710	2567	2060	1686	1285	1107
2006	984	1163	1245	1427	1772	2366	2804	2615	2248	1860	1438	1318
2007	1206	1348	1622	1710	2060		3146	2899	2480	2021	1706	1317
2008	1069	1270	1380	1571	1896	2466	2858	2787	2365	1896	1479
2009	1192	1317	1295	1402	1827	2205	2819	2604	2263	1594	1312	1131
2010	1038	1120	1246	1250	1503	2009	2654	2458	2112	1569	1085	1024
2011	991	963	1092	1113	2671	2034	2622	2480	2293	1504	1077
2012	967	1039	1122	1296	1513	2073	2652	2496	2133		1178	1032
2013	953	939	1008	1237

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