Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1990,39252,44746,45843,46151,45989,48966,48048,49273,45866,46642,45755,41382,45656,
1991,40760,44944,46614,47893,47414,50785,51501,52531,50082,50570,47910,48981,48351,
1992,48001,50114,52840,56149,53067,58805,58449,56611,55263,50390,50304,47420,53258,
1993,41250,45844,51183,54520,50929,57310,55868,56863,55617,52537,50821,52507,52129,
1994,48093,50180,55187,55477,57307,61332,57255,58275,58586,55589,53773,55557,55576,
1995,,,,,,,,,,,,,,
1996,,,,,,,,,,,,,,
1997,,58494,61557,62826,64313,67988,67029,68069,65509,64568,63199,63664,,
1998,59322,64500,66975,68420,67797,73734,71872,73487,70289,70233,69711,67151,68624,
1999,64574,65961,68993,70932,71367,75984,73951,71989,65428,66454,62369,62243,68354,
2000,59140,62987,66179,81075,82784,86575,83534,85118,80712,82190,79169,73996,76955,
2001,68760,74525,79043,80941,80904,84019,81821,84735,79280,77390,74417,72141,78165,
2002,72156,76901,78302,82191,,,,,,,,,,
2003,,,,,,,,,,,,,,
2004,,,,,,,,,,,,,,
2005,,,,,,,,,,,,,,
2006,,,,,,,,,,,,,,
2007,,,,,,,,,,,,,,
2008,,,,,,,,,,,,,,
2009,,,,,,,,,,,,,,
2010,,,,,,,,,,,66290,64373,,
2011,,64659,67823,68995,70156,74553,72777,74345,73671,72784,69220,69222,,
2012,65797,69620,71423,74304,74926,77304,76955,78828,75086,77362,73940,70885,73869,
2013,63097,72600,76658,77562,78444,81496,79994,81598,79011,78996,74885,71038,76282,
2014,70386,,78341,80202,81014,83495,80708,80886,78520,77033,69667,74218,,
2015,71387,75707,77563,79138,81196,84539,81957,82701,80299,81886,77484,75440,79108,
2016,75960,81457,85622,88128,89346,93566,90928,92506,89442,90128,88198,77382,86889,
2017,71756,83900,90084,93091,94046,95809,93683,92361,88767,89917,82872,79067,87946,
2018,76993,79933,78321,80350,87391,99573,97181,99323,95897,96914,92761,86163,89233,
2019,85971,84318,87245,91721,99269,103016,100703,101936,99431,99709,92668,88724,94559,
2020,82682,79145,62994,59738,75012,86501,86552,89458,89061,89983,77732,78181,79753,
2021,78557,80332,90633,93349,94155,99499,97022,94039,90107,86552,81770,91259,89773,
2022,81537,88740,93030,94661,96391,98941,96246,98327,95585,96467,89106,83913,92745,
2023,85044,88857,91251,96255,98795,101269,96540,100964,97904,99649,92959,87989,94790,
2024,79835,91448,93524, , , , , , , , , , ,