Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1990,1051,1096,1230,1297,1355,1554,1350,1492,1355,1362,1275,1101,1294,
1991,1142,1768,2962,2886,2091,1631,1555,1622,1536,1491,1402,1346,1785,
1992,1396,1373,1603,1667,1641,1684,1674,1666,1583,1536,2061,1421,1613,
1993,1209,1374,1522,1706,1685,1836,1733,2052,1746,1669,1592,1558,1641,
1994,1480,1567,1837,2059,2033,1884,1778,1670,1663,1674,1610,1396,1721,
1995,1578,1655,1897,2162,2178,2364,2278,2365,2289,2263,2100,2006,2095,
1996,2135,2305,2486,2653,2617,2678,2609,1521,917,2377,2433,2236,2247,
1997,2366,2656,3112,3338,3374,3483,3212,3244,3017,2834,2807,2434,2990,
1998,2481,2668,3112,2902,2843,2897,2773,2842,2890,2850,2623,2632,2793,
1999,2700,2710,2607,2811,2984,2857,2541,2865,,2613,2649,3108,,
2000,3249,3553,3711,4064,3964,3889,3871,3866,3818,3821,3681,3592,3757,
2001,3512,3799,3956,4232,4472,4359,4336,4408,4308,4301,4108,3902,4141,
2002,4034,4335,4311,4719,4765,4681,4709,4858,5050,4832,4360,4147,4567,
2003,4257,4913,4769,5413,5176,5159,5017,4953,5082,5016,4553,4332,4887,
2004,4158,4574,4772,5481,5254,5238,5034,5227,5213,5166,4823,4659,4967,
2005,4558,4867,4929,4969,5286,5499,4690,5528,5701,5263,5124,4862,5106,
2006,4987,5458,5727,6239,6386,6253,5966,6195,6196,6208,5949,5565,5927,
2007,5717,6257,6465,6772,7145,7292,6462,6459,5983,5722,5995,5719,6332,
2008,5436,5512,5331,5913,6397,6382,6108,6286,6073,6061,5883,5934,5943,
2009,6105,7399,6727,7367,7246,7013,6628,6700,6872,6627,6332,6077,6758,
2010,6062,6730,7047,7313,7295,7051,6757,6880,7047,6860,6453,5953,6787,
2011,6296,6699,6747,7141,7234,7113,6814,7045,7188,7062,6584,6562,6874,
2012,6574,7081,7058,7592,7663,7328,7172,7441,7641,7362,7082,6673,7222,
2013,6029,7019,7255,8424,8629,7811,7592,7806,7858,7684,7264,6787,7513,
2014,6888,7485,7901,8411,8344,7939,7732,8111,8319,8121,7121,7281,7804,
2015,7269,8045,8444,8876,8905,8502,8323,8790,8900,8827,8152,7916,8413,
2016,7981,8740,8811,9373,9430,9064,8765,9269,9806,9496,8420,7506,8888,
2017,6469,6086,8860,10447,10609,9802,8866,9252,7066,7097,8436,8006,8416,
2018,7960,8454,8849,9554,9591,9094,8816,9397,9760,9845,8854,8671,9071,
2019,8662,9011,9497,10018,10134,9851,11038,12314,12368,10343,9882,9391,10209,
2020,9345,10040,8916,7707,9551,10272,9866,8481,10687,10464,8570,9211,9426,
2021,9601,10024,10953,11675,11195,14152,11770,4759,4515,4546,4612,8858,8888,
2022,9893,11451,11476,11531,12630,11625,5099,5071,4965,4927,4519,4914,8175,
2023,8951,10824,11515,12752,12995,12571,12807,13635,13294,13157,12564,10757,12152,
2024,9787,10414,9995, , , , , , , , , , ,