YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1998,,,,,,,,3480,3617,4004,3356,2944
1999,2913,2940,3207,3412,3487,3671,3496,3654,3746,4175,3774,3307,3482
2000,2972,3200,3468,3693,3758,3909,3692,3901,3835,4034,3731,3305,3625
2001,3036,3051,3396,3550,3678,3820,3706,3763,3864,4171,3869,3293,3600
2002,3063,3229,3509,3771,3901,3933,3824,3984,3917,4292,3956,3505,3740
2003,3290,3474,3474,3742,3950,4066,3953,3945,4076,4300,3661,3425,3780
2004,3114,3301,3638,3839,3761,3844,3758,3846,3929,4107,3915,3665,3726
2005,3138,3463,3646,3735,3746,3998,3871,3956,3932,3825,3352,3068,3644
2006,3199,3474,3581,3775,3959,4111,3930,4102,4165,3989,3591,3302,3765
2007,3323,3549,3725,3795,3929,4057,4192,4002,4124,4099,3581,3176,3796
2008,2953,3202,3477,3681,3729,3726,3727