YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
2006										4087	3062	2863
2007	2960	3079	2849	2905	3991	5112	6317	5594	4215	3762	3031	2711	3877
2008	2579	2708	2463	2194	3058	4376	5811	5343	3925	3360	2704	2206	3394
2009	2497	2768	2231	2228	3498	4411	6125	5210	4100