Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2013,,,,,,,,,,11632,9701,9049,,
2014,8555,8304,9873,10943,12739,14760,17380,17570,14307,12445,10617,9407,12242,
2015,8919,9782,,12177,14164,16359,18556,17757,15010,13130,11026,9749,,
2016,9381,10290,11622,12756,14631,17044,19584,19151,16335,13471,11902,10019,13849,
2017,9347,9716,11769,12453,14860,18335,20251,19821,15837,13800,11603,10272,14005,
2018,9794,9758,11743,12284,15066,17448,19967,30318,17737,,,,16013,
2019, , , , , , , , , , , , , ,
2020, , , , , , , , , , ,11077,10830, ,
2021,11172,10817,13278,14337,16423,19518,21424,19944,17704,15370,12967,11352,15359,
2022,10544,11924,13138,13516,15454,17755,19717,19162,17206,14897,11286,9992,14549,
2023,10951,11330,12493,13316,15784,18509,20522,19419,17413,14862,12226,10831,14805,
2024,9749,11223,12703, , , , , , , , , , ,