Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1995,24632,25989,27534,28248,28715,30906,30590,31699,30034,29003,27709,26273,28444,
1996,24610,26405,29017,29674,29322,31136,30845,31648,28276,28699,28410,26768,28734,
1997,26773,28729,30514,30759,33015,35224,32612,34853,33071,31277,30990,30001,31485,
1998,26783,27483,,33691,,36356,34630,31923,31078,33205,32254,31025,,
1999,29512,31668,34115,33831,33616,,34837,,34946,34711,34218,32047,,
2000,30303,31564,33113,32608,31263,40055,37864,39030,36837,35692,33671,32147,34512,
2001,30231,32567,35989,36783,37133,38636,38609,39538,37181,34942,34535,31571,35643,
2002,31502,34261,36165,37900,38772,39821,38605,41046,38149,38059,35801,34214,37025,
2003,33254,34486,35891,37319,38485,40182,39132,39393,37736,37276,34543,33902,36800,
2004,30297,33597,37461,38044,37585,39269,39511,39728,38291,37336,35834,34981,36828,
2005,32606,36242,38544,38564,38896,41893,41521,42546,39021,38419,37667,35778,38475,
2006,35322,37935,41660,42390,43362,45581,44062,45422,43598,43713,42234,40310,42132,
2007,39356,41575,44803,44778,44462,43271,,43172,42833,43363,40897,38563,,
2008,35486,39411,41664,42453,42315,41403,41928,41780,40549,40744,38811,36318,40239,
2009,35000,38094,40124,41513,41900,43669,44061,43569,42804,41972,40592,38303,40967,
2010,36671,39936,42482,42804,42843,44790,45045,45723,44275,43464,40991,38628,42304,
2011,38383,40013,42004,42857,43179,44855,44544,44755,42886,42854,41276,40586,42349,
2012,37983,40899,42411,43862,44590,45908,45603,46334,44371,44333,43343,41524,43430,
2013,37918,42784,45491,46686,47546,49161,48384,49264,47940,47741,45633,42708,45938,
2014,41136,43574,47547,48093,48145,49666,48177,48841,47829,47702,44535,45346,46716,
2015,43401,48051,50315,51522,52548,54909,54236,54197,52556,52567,49776,47659,50978,
2016,46501,50683,53393,54994,56433,58598,57416,58449,56510,56597,54263,47725,54297,
2017,37982,50011,55228,57091,58510,57795,58348,60475,58155,58539,56205,53515,55155,
2018,50797,53422,58020,59573,59778,61383,61064,61958,60491,59646,57848,55325,58276,
2019,54098,54812,60130,61932,62343,63863,63462,64548,62367,62146,59005,57424,60511,
2020,54795,58659,54226,44772,55148,62854,62187,63733,65727,64874,58943,57978,58658,
2021,57386,57453,63480, , , , , , , , , , ,
2022, , , , , , , , , , ,61443, , ,
2023, , , , ,66339,66719,66349,77820,75583,75268,71946,69020,67943,
2024,60854,70465,72871, , , , , , , , , , ,