Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2008,,,,,,56647,57488,57431,54001,50507,,,,
2009,,53609,54952,57321,57648,59559,59771,59416,58324,57657,55878,53297,,
2010,51055,55777,56590,56536,54209,58453,58523,59175,57701,56383,53746,51229,55781,
2011,51139,53831,55445,56381,56344,58770,58487,59319,57559,57563,55347,54954,56262,
2012,51981,55875,57417,59409,59593,60977,60869,61955,59965,59889,58253,56345,58544,
2013,51860,58356,61303,62401,64406,67715,66869,68072,66801,66432,63467,60044,63144,
2014,57729,61423,65482,66458,66853,67453,64715,67220,66336,65923,61051,62663,64442,
2015,60189,66407,68003,69141,69669,72329,71945,71438,70286,70786,67945,65282,68618,
2016,64126,69597,72583,74601,75587,78006,76308,77373,74852,74723,72097,63737,72799,
2017,53353,68394,74477,76842,77934,76570,77180,80118,76675,77350,74338,71162,73699,
2018,68805,71717,76683,78448,77346,78678,77183,78814,75968,76398,74678,72386,75592,
2019,71506,71903,77911, ,77917,81713,80007, , , , , , ,
2020, , , , , , , , , , , , , ,
2021, ,53088,59348,60944,55932,55312,90637,95244,94226,95031,93656,93902,90114,
2022,84197,91401,92843,,88113,88554,85880,90223,89497,89151,79563,73175,86649,
2023,74615,77924,80854,85134,87960,89196,86176,89811,87046,88072,83849,80825,84289,
2024,72343,83564,85695, , , , , , , , , , ,