Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2016,,,,,,,,18796,18597,18408,17565,15086,,
2017,14243,16817,17847,18847,19212,19203,18117,18344,18027,18394,17584,15370,17667,
2018,16473,17051,17530,18969,19083,19541,19268,20299,19780,19708,18126,16560,18532,
2019,16704,16902,18433,19856,19386,20113,18964,20070,19865,19167,18312,15978,18646,
2020,15252,16091,14107,11370,14357,15888,16289,16914,16751,16216,15431, ,15333,
2021,14525,14704,16537,17350,17400,17956,17672,17700,17610,17474,16526,16357,16818,
2022,14383,15713,16732,17170,17627,18142,17500,17452, , , , ,16840,
2023, , , , , , , , , , , , , ,
2024, , , , , , , , , , , , , ,