Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2014,,,,,,,,24040,22077,21593,19546,18972,,
2015,17677,20114,22439,21996,23303,25593,25954,25597,23814,22766,20851,18966,22422,
2016,18040,20335,23263,23190,24966,27260,27773,27312,25381,24472,22713,19299,23667,
2017,16474,20742,24949,24765,26023,28116,28840,28294,25907,25185,23807,20980,24507,
2018,20033,21376,24493,25240,26768,29182,29459,28859,26876,26099,24780,21802,25414,
2019,20721,19896,25587,26369,27710,30166,30843,29826,28210,27037,24528,22669,26130,
2020,20664,22970,21939,16180,22858,27257,28180,28210,28604,27187,23335,21949,24111,
2021,21729,21513,27061,28209,30246,32783,32994,31923,30029,28991,28049,24200,28144,
2022,22229,25309,28171,28407,30115,31902,31445,31224,29962,29144,26288,23629,28152,
2023,22369,23863,26305,27766,30414,32734,32666,32408,31273,30424,27670,23913,28484,
2024,20781,25863,27286, , , , , , , , , , ,