YEAR	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual 24-hr Avg.
1998	4780	5095			6756	6417	7394	7189	9725	8034	6552	5128
1999	5316	5439	5935	6645	7246		9347	9087	8192	7391	6523	6137
2000	5675	5828	6032	6586	7264	7762	8794	8504	7378	6803	6173	5577	6865
2001	5423	5638	5749	6249	7089	7522	8709	8885	7431	6843	6259	5642	6787
2002	5520	5923	6073	6520	7144	7996	8872	9153	8101	7419	6490	6070	7107
2003	5249	6059	5924	6616	7196	7951	8844	9177	8258	7235	6070	5941	7043
2004	5129	6205	6459	7335	7709		9426	9176	8291	7553	7037	6435
2005
2006
2007
2008

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