Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1990,1134,1386,1551,1859,2552,3502,4023,3500,2831,2175,1691,1239,2292,
1991,1140,1528,1586,1664,2391,3367,4189,3960,3168,2384,1607,1544,2384,
1992,1449,1599,1766,2044,2817,3439,4262,3926,3138,2608,1797,1425,2534,
1993,1196,1442,1740,1973,2881,3659,4668,4184,3642,2930,1915,1614,2662,
1994,1524,1574,1954,2232,3043,3688,4847,4118,3491,2614,1751,1611,2712,
1995,1510,1787,1783,2067,2940,3549,4737,4514,3710,2971,2095,1813,2790,
1996,1223,1386,1853,2106,2770,3770,4686,4583,3668,2964,2091,1495,2716,
1997,1522,1808,2017,2084,2890,3693,4571,4433,3755,2933,2257,1863,2819,
1998,1559,1824,2088,2274,3105,3879,5051,4805,3839,3122,2337,1991,2990,
1999,1730,1794,2296,2395,3154,4180,5308,5147,4275,3352,2673,2192,3208,
2000,1897,2101,2388,2662,3496,4431,5403,5123,4098,3288,2404,2155,3287,
2001,2008,2135,2450,2655,3635,4428,5354,5121,4206,3414,2712,2195,3359,
2002,1977,2260,2433,2730,3592,4627,5445,5109,4304,3596,2619,2442,3428,
2003,2190,2267,2407,2761,3710,4647,5356,5172,4355,3625,2600,2409,3458,
2004,2088,2290,2736,2991,3640,4486,5334,4905,4422,3514,2818,2580,3484,
2005,2113,2447,2631,3025,3776,4673,5639,5167,4255,3615,2771,2441,3546,
2006,2130,2433,2562,2984,3790,4803,5632,5165,4628,3904,3087,2801,3660,
2007,2473,2720,3167,3512,4293,5300,5970,5237,4866,4129,3480,2622,3981,
2008,2109,2342,2784,3122,3950,4897,5570,5500,4742,4042,3293,2523,3740,
2009,2499,2812,2731,3054,4092,4681,5738,5303,4776,3657,2907,2496,3729,
2010,2180,2391,2616,2729,3411,4284,5410,5037,4691,3524,2616,2350,3437,
2011,2178,2258,2443,2595,3253,4099,5175,4935,4490,3624,2639,2437,3344,
2012,2160,2334,2460,2891,3485,4418,5293,4955,4460,3466,2788,2370,3423,
2013,2070,2301,2535,2834,3653,4613,5448,5131,4353,3659,2755,2426,3481,
2014,2324,2297,2712,3044,3835,4853,5741,5205,4796,4005,2817,2687,3693,
2015,2565,2914,3155,3462,4194,5411,6153,5660,5267,4298,3144,2787,4084,
2016,2571,2981,3217,3690,4538,5785,6361,5759,5482,4488,3529,2664,4255,
2017,2473,2648,3161,3528,4597,5531,6289,6382,5388,4594,3522,3162,4273,
2018,2922,3071,3353,3761,4866,5904,6433,6162,5653,4672,3429,3076,4442,
2019,2833,2923,3401,3748,4850,5153,6758,5497,5668,4769,3756,3270,4385,
2020,2746,3139,3092,3248,5226,6246,7299,6958,7055,5513,3795,3472,4816,
2021,3373,3227,4006,4519,5889,7523,8225,7002,7228,5863,4541,3639,5420,
2022,3344,3841,4015,4629,6022,7559,7564,6471,6371,5788,3784,3344,5228,
2023,3477,3661,3718,4367,5822,7143,7939,7176,6803, ,4564,3929,5298,
2024,3372,3857,3949, , , , , , , , , , ,