Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1993,27196,30542,33814,35058,37209,,42729,45481,39929,38118,32809,33367,,
1994,32901,31110,33552,37151,38464,43470,44806,,,36997,33111,34032,,
1995,31940,34375,36425,38746,41205,42957,,,41007,37745,34534,38928,,
1996,27373,35152,37203,39863,41863,45970,49210,50163,43067,40345,33632,33334,39765,
1997,32455,36730,38574,40897,42003,46332,50839,51655,43994,41430,39055,38487,41871,
1998,34346,38723,40976,,,,52742,49406,43173,40740,37983,37415,,
1999,34569,37188,39441,41619,42827,45583,48884,49559,44435,42239,38556,34001,41575,
2000,32817,37578,40209,41496,41871,44921,51431,,,40980,39472,36034,,
2001,35536,37933,40040,39549,46161,47755,52457,54377,46747,44116,41425,39293,43782,
2002,37457,41525,41944,46194,48684,52010,56353,56991,49446,47023,44163,45515,47275,
2003,40091,43356,43001,46305,48925,53444,57632,57750,49953,48608,43492,45331,48157,
2004,40016,44392,47105,50118,48645,54807,58539,57634,51809,49401,47042,47182,49724,
2005,41505,46999,48765,50046,52360,56781,60274,60376,51338,50119,44082,45504,50679,
2006,44968,47956,51101,52608,54447,58874,60167,61633,55385,53274,48334,48514,53105,
2007,44027,48756,51949,53233,55779,59734,62999,65944,,,,,,
2008,39385,44896,46835,47755,50387,51151,55078,56041,50057,48553,43870,46640,48387,
2009,45461,47360,47844,50075,53525,55388,61678,61342,48651,49873,47494,47426,51343,
2010,44550,48370,50671,51485,48026,54457,59439,59898,52936,49349,44173,44566,50660,
2011,43090,44683,47636,49411,51044,,,,53196,50771,45617,46420,49530,
2012,42940,46137,46995,50039,51668,54453,58991,60546,52828,49855,45889,45430,50481,
2013,43073,46365,49252,50435,52549,56936,61710,61964,54239,51214,48037,46848,51885,
2014,44192,45587,50624,52737,55839,58929,63428,64600,57003,54417,50589,50126,54006,
2015,45844,52014,54076,53543,56152,62206,65362,64554,58722,56430,52367,49905,55931,
2016,49742,54459,56028,59377,60634,65463,68910,68892,61754,58193,55087,51113,59138,
2017,48638,51642,56882,60193,64669,68641,71495,70208,63235,61230,57536,54381,60729,
2018,53159,55087,59786,61535,64557,66960,71732,64310,57215,55896,54004,53727,59831,
2019,51740,48930,56184, , , ,67561,67507, , ,57237,57330,58819,
2020,51382,56893,48206,39510,53442,64119,67625,68708,64401,60785,54834,51834,56812,
2021,57351,56616,63195,65888,68806,73434,75436,73107,68350, ,59711,56844,65340,
2022,53971,60446,63398,63861,66081,68350,70694,71298,65513,63241,55003,53399,62938,
2023,55737,57481, , , , , ,71803,65865,65070,59191,58073,62284,
2024,52307,57670,60585, , , , , , , , , , ,