Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2009,,24121,25836,26935,27813,29407,29901,28752,28259,27035,25841,23757,,
2010,22639,24739,26970,27544,27890,29672,30011,29931,28858,27491,25615,23435,27066,
2011,23064,24203,26182,27115,27528,28836,29349,29990,28381,27796,26170,25058,26973,
2012,23233,24954,26291,27651,28432,29876,29963,29195,27806,27722,26417,24819,27197,
2013,22022,24531,27617,28345,29345,30816,30683,30927,29438,28696,26895,25082,27866,
2014,23572,24812,28137,29005,30266,31536,31113,31327,30286,29716,26651,26341,28563,
2015,24841,27682,30723,30756,31677,33634,33532,33163,32198,33038,29633,27170,30671,
2016,26181,28794,31447,32618,34382,35808,35566,35561,34528,33654,32027,26965,32294,
2017,22767,28453,32428,34886,37161,37461,37436,38752,36251,36149,34054,30605,33867,
2018,28826,30364,33939,35717,35077,32837,37131,38263,37584,36765,35313,32383,34517,
2019,31145,31327,36309,38108,39128,40748,40394,40903,39551,39123,36754,34893,37365,
2020,32885,35484,34163,28958,35939,40679,41801,42640,43450,43014,37986,36571,37797,
2021,36037,36097,43074,44825,45945,47955,47402,41453,44674,44443,43581,41704,43099,
2022,37065,40447,43413,44527,45706,46287,45355,45103,44237,44489,40673,37296,42883,
2023,37306,39565,42266,45399,47630,49407,48788,49516,48024,47477,45356,42390,45260,
2024,36947,43412,45858, , , , , , , , , , ,