Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg., 2013,,,,,,,,7178,7844,8118,7084,6790,, 2014,6556,6623,7206,,,,,9991,9164,8555,7451,7094,, 2015,7053,7456,8128,8958,9776,,11258,11005,9866,,,,, 2016,7242,7579,8406,,9923,11066,11608,11820,10440,,8905,,, 2017,,8455,7936,9417,10421,,12855,13040,10916,,9221,9030,10139, 2018,8365,8015,9093,9974,11349,12140,13950,13711,11870,11572,10015,9169,10769, 2019,9102,8496,9254,10766,12044,13218,13878,14212,12156,11764,10491,9806,11267, 2020,9114,10192, , ,10483,12370,13702,13616,12020,11209,9794,9426,11193, 2021, , , , , , , , , , , , , , 2022, , , , , , , , , , , , , , 2023, , , , , , , , , , , , , , 2024, ,11602,11977,12694, , , , , , , , , ,