YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1990	902	984	1074	1100	1158	1227	1177	1296	1179	1197	1114	974	1116
1991	996	1126	1248	1410	1388	1444	1357	1575	1503	1484	1381	1403	1361
1992	1419	1546	1755	1795	1809	1792	1861	1831	1842	1804
1993					2117	2237	1989	1883	1978	1981	1933	1955
1994	1885	2084	2307	2415	2403	2375	2242	2415	2734	2366	2216	2060	2292
1995	2151	2287	2344	2473	2543	2612	2494	2626	2565	2441	2314	2037	2407
1996	2036	2229	2388	2523	2494	2490	2386	2729	2926	2620	2489	2419	2477
1997	2327	2367	2298	2414	2370	2318	2413	2396	2620	2691	2511	2407	2428
1998	2326	2510	2574	2698	2685	2651	2577	2703	2772	2723	2532	2451	2600
1999	2435	2505	2739	2904	2914	2796	2698	2789	2914	3088	2652	2471	2742
2000	2434	2671	2894	3141	3133	2978	3224	3248	3453	3479	3295	3252	3100
2001	2947	3228	3385	3686	3741	3650	3429	3610	3663	3680	3495	3384	3492
2002	3342	3662	3719	4044	4202	4174	3862	3697	3898	3991	3919	3836	3862
2003	3775	4110	4131	4415	4576	4781	4638	4663	4665	4788	4404	4542	4457
2004	4070	4507	5093	5153	5051	5130	5116	5253	5293	5327	5023	5192	5017
2005	5041	5802	5764	5985	5941	5752	6210	6400	5102	5591	5459	5448	5708
2006	5467	5981	6718	7353	7380	7704	7339	7725	7775	7828	7410	6531	7101
2007	6009	6436	6700	6793	6692		6767	7398	7510	7430	6329	5978
2008	5508	6104	6423

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