Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2011,,14897,15366,16500,16493,17082,16587,16822,16046,15927,14656,14886,,
2012,13998,14845,15121,16375,16713,16870,16145,16630,16060,15914,14990,14554,15685,
2013,13360,14712,15020,15259,15230,15129,14404,15131,14371,15003,14395,14255,14689,
2014,14029,15002,16550,17820,18206,17984,17565,17583,16820,17130,15440,15782,16659,
2015,15201,16629,17316,18419,18567,18507,17766,18294,17912,17719,16437,15895,17388,
2016,15820,17314,17985,19332,19467,19828,18717,20341,19777,19194,18177,16738,18558,
2017,15523,18192,19185,20539,20999,21597,20611,20919,20521,20806,19414,18753,19755,
2018,18482,19308,20066,21316,21750,21799,20934,21653,21077,20578,19371,18921,20438,
2019,18799,18866,19833,20645,21596,21867,21174,21908,21171,21347,20436,20457,20675,
2020,20501,22325,19713,17258,20668,22887,22771,23311,22989,22457,19713,19386,21165,
2021,19602,20062,21880,23158,23552,24047,23225,23238,22361,22730,21377,22198,22286,
2022,20524,22031,22916,23233,22020, , , ,24610,24797,22549,21921,22342,
2023,23076,23911,24332,27569,27869,28591,26747,27516,27762,26957,24931,25026,26191,
2024,22743,25991,26906, , , , , , , , , , ,