Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg., 2011,,,3038,,3862,4631,6330,5334,4754,3971,3054,3195,, 2012,3431,3496,3139,3112,3854,4944,6495,5643,4726,3928,3299,3226,4108, 2013,3382,3654,3296,3237,4137,5299,7019,6348,4686,4253,3493,3413,4352, 2014,3955,3631,3441,3370,4364,5635,7233,6613,5180,4579,3545,3547,4591, 2015,3968,4322,3872,3783,4618,6085,7205,6653,5692,4977,3952,3978,4926, 2016,4404,4478,3947,4098,5113,6443,7698,7046,5959,4952,4244,3947,5194, 2017,4286,4389,4097,4110,5230,6683,8390,7607,6125,5174,4206,4252,5379, 2018,4791,4531,4207,4347,5614,7059,8511,7678,6591,5639,4736,4586,5691, 2019,5173,5175, ,4316,5590,7351,8914,8069,6722,5780,4935,4804,5954, 2020,5108,5138,3839,2989,5295,7366,8415,8465,7157,5904,4565,4787,5752, 2021,4999,5005,4436,4538,5868,7987,9175,7360,5958,5328,4423,4378,5788, 2022,5015,5566,4874,4476,5669,7465,9005,8536,7296,6423,4779,4831,6161, 2023,5553,5678,4994,4812,6202,7890,9616,8599,7609,6645,5545,5078,6518, 2024,4870,5642, , , , , , , , , , , ,