YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1990,1539,1772,1899,2035,2431,2836,3391,3314,2855,2532,2072,1789,2376
1991,1665,1791,1790,1981,2272,2869,3414,3271,2765,2545,1960,1858,2352
1992,1708,1826,2029,2079,2397,2823,3361,3085,2754,2606,2049,1850,2390
1993,1583,1741,1967,2082,2534,2874,3513,3222,3120,2788,2236,2131,2487
1994,1913,1899,2160,2280,2637,3130,3711,3333,3183,2897,2238,2238,2640
1995,2052,2146,2203,2344,2563,,,3349,3252,3037,2518,2395
1996,2005,2159,2375,2588,2862,3429,3956,3828,3397,3239,2602,2322,2897
1997,2128,2337,2631,2671,3038,3627,4308,4122,3793,,2607,2629
1998,2322,2548,2605,2853,3142,3675,4235,4069,3777,3332,2834,2765,3180
1999,2496,2587,2770,2874,3237,3773,4431,4099,3950,3630,2988,2862,3308
2000,2558,2796,2838,3095,3448,3954,4454,4256,4039,3809,3076,3071,3450
2001,2784,2921,3136,3346,3695,4074,4633,4497,,3665,3286,2996
2002,2889,2956,3074,3326,3651,4154,4585,4358,3978,3905,3270,3205,3613
2003,2962,2996,3076,3299,3685,4184,4635,4526,4063,3984,3324,3278,3668
2004,2966,3013,3207,3506,3715,4277,4737,4433,4313,4148,3558,3466,3778
2005,3117,3249,3393,3627,3799,4267,4802,4478,4166,3910,3502,3376,3807
2006,3199,3210,3304,3683,4005,4466,4833,4572,4389,4142,3608,3524,3911
2007,3236,3320,3527,3766,4095,4458,4769,4615,4137,4052,3533,3339,3904
2008,3025,3198,3180,3319,3583,3863,4287