Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2009,,,,,42194,45013,48150,47668,38582,37027,36428,36278,,
2010,34315,37107,38936,39972,39932,40470,49471,49774,43872,40742,35821,35729,40512,
2011,34347,35729,38027,39728,41483,44999,48361,49194,43449,41083,36682,36958,40837,
2012,34390,36677,37708,40243,42301,44378,48454,49832,43264,40706,37134,36163,40938,
2013,33972,37387,39230,40542,44563,52841,51751,53362,45793,41064,38969,37866,43112,
2014,36069,36478,39794,42186,44893,47468,51108,52113,45860,43662,39275,37552,43038,
2015,34706,41115,42794,43078,45857,49931,53084,52306,47464,45566,41729,39837,44789,
2016,39471,43051,44568,47131,48869,52426,55104,55300,49816,46681,43763,39839,47168,
2017,38556,40606,44826,47292,50324,53605,56026,54349,46496,47244,43634,41131,47007,
2018,40868,42017,45814,47550,50246,53102,55703,,,,40712,41477,46712,
2019,40327,38027,43906,45909,47525,51980,55136,54524,50292,47953,44872,43411,46989,
2020,40134,44229,38568,32062,42742,51054,53266,54231,51174,48012,42941,42688,45092,
2021,44387,44065,49506,51672,54069,58108,60196,58445,53855,51747,47493,45969,51626,
2022,42296,46832,49236,50043,52332,54901,57087,57070,52823,50675,43190,41097,49798,
2023,43362,44567,46816,50005,53660,56722,58081,57393,52822,50711,45929,44283,50363,
2024,40396,44404,46888, , , , , , , , , , ,