Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg., 2006,,,,,,,,,5792,5723,5641,5634,, 2007,5189,5411,5804,5878,6207,6466,6802,6692,6300,6163,6106,5652,6056, 2008,5231,5454,5805,5980,6458,6654,6860,6841,6324,6227,6003,5845,6140, 2009,5510,5722,5817,6148,6676,6871,7205,7121,6715,6390,6156,6012,6362, 2010,5397,5883,6024,6331,6722,7055,7528,7033,6738,6492,5876,6006,6424, 2011,5519,5783,5904,6014,6431,6804,7270,7103,6558,6246,5913,6024,6297, 2012,5512,5775,5963,6192,6669,6942,7341,7015,6579,6271,6144,5805,6351, 2013,5168,5649,6001,6171,6852,7051,7526,7013,6569,6514,6262,5947,6394, 2014,5622,5847,6172,6496,7012,7280,7527,7384,6845,6670,6324,6519,6641, 2015,6102,6477,6747,7043,7366,8075,8251,8033,7503,7177,6888,6725,7199, 2016,6402,6605,6843,7255,7808,8348,8752,8080,7745,7459,7248,6969,7459, 2017,6055,6732,7086,7380,8056,8495,8671,8576,7837,7740,7374,7189,7599, 2018,6652,6834,7020,7671,8235,8518,8913,7586,7866,7704,7420,7262,7640, 2019,6770,6810,7366,7838,8298,8742,8942,8960,8231,7972,7627,7420,7915, 2020,6904,7248,6634,6029,7984,8391,9014,8958,8625,8085,7403,7330,7717, 2021,7240,7297,7854,8289,8910,9510,9814,9048,8997,8517,8157,7487,8427, 2022,7276,7680,7716,8093,8711,9010,9336,8991,8898,8491,7915,7646,8314, 2023,7344,7318,7498,8065,9117,9636,10167,9543,9190,8944,8487,8087,8616, 2024,7362,7949, , , , , , , , , , , ,