Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1995,,,4417,4514,4863,4688,4714,5271,4997,4836,4589,4330,,
1996,2631,4044,4517,4683,4721,4714,4931,5264,5081,4885,4209,3395,4423,
1997,3562,4326,4411,4705,4895,4812,5146,5361,4942,4777,4534,4120,4633,
1998,3911,4536,4526,4699,4839,4813,4711,5250,5203,5119,4661,3997,4689,
1999,4049,4406,4674,4931,5133,5028,5248,5678,5435,5286,4652,4091,4884,
2000,3876,4514,4685,4979,5142,5048,5043,5656,5197,5110,4508,,,
2001,3836,4382,4706,4869,5199,4949,5123,5667,5353,5166,4694,3903,4821,
2002,4010,4572,4610,5140,5380,5104,5165,5633,5395,5348,4917,4380,4971,
2003,4265,4782,4632,5026,5301,5093,5209,5655,5420,5402,4552,4275,4968,
2004,3898,4730,4983,5259,5217,5129,5244,5536,5375,5326,4710,4265,4973,
2005,4095,4911,4954,5109,5097,4978,4886,5406,5486,5202,4584,4046,4896,
2006,4124,4612,4922,5026,5257,5254,5245,5723,,,,,,
2007,,,,,,,,,,,,,,
2008,,,,4956,5065,4836,4871,5248,5236,5235,4881,3778,,
2009,3876,4709,4609,5208,5294,5228,5306,5781,5503,5565,4916,4339,5028,
2010,4394,4992,5259,5352,5540,5717,5490,5935,,5671,4877,4310,,
2011,4362,4550,5000,5439,5385,5287,5375,5946,5854,5691,4865,4611,5197,
2012,4242,4872,4894,5351,5502,5228,5205,5951,5576,5541,4995,4422,5148,
2013,4227,4823,5124,5417,5553,5388,5313,5993,5756,5631,4987,4453,5222,
2014,4551,4620,5373,5547,5701,5728,5582,6153,6124,5834,5118,4791,5427,
2015,4616,,5482,5769,5943,5752,5831,6177,6173,6115,5475,4816,,
2016,4871,5560,5722,6100,6203,6257,5946,6561,6339,6069,5677,4652,5830,
2017,4486,5144,5593,5961,6284,6102,6060,6662,6300,6477,5753,5073,5825,
2018,5185,5347,5828,6121,6305,6354,6209,6714,6373,6342,5858,5154,5982,
2019,5168,4602,5709,6240,6382,6298,6100,6555,6468,6194,5672,5215,5884,
2020,4270,5464,4615,3795,4979,5904,5765,6668,6067, ,5170,4905,5253,
2021,5255,4971,6199,6473,6513,6572,6548,6822,7169,6604,5968,5075,6181,
2022,4879,5628,6012,6180,6434,6378,6316,6765,6618,6504,5608,4852,6015,
2023,5360,5615,5844,6250,6542,6487,6242,6706,6477,6518,6606,5090,6145,
2024,5127,6210,6717, , , , , , , , , , ,