YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1990,6382,6858,7776,8056,8245,9270,9401,9407,8297,7944,7606,6281,7966
1991,6413,7188,8097,8318,8620,9573,9799,9938,8859,8448,7599,7274,8351
1992,7006,7650,8349,8697,8935,9825,10021,10259,9555,8910,7882,7290,8725
1993,6851,7709,8659,9185,9350,10404,10727,10837,9773,9179,8232,7665,9055
1994,7697,7751,9207,9430,9579,10538,10950,11039,9991,9442,8644,8108,9375
1995,7927,8464,9221,9565,9768,10787,11038,11236,10488,9889,9185,8534,9675
1996,7580,8625,9795,10015,10230,11448,11328,11561,10323,9862,9216,7925,9826
1997,7916,8740,9705,10082,10618,11009,11386,11793,11005,10336,9820,8830,10103
1998,8336,9169,10051,10855,11067,12331,12419,12790,11661,10997,10304,9343,10777
1999,8928,9357,10715,10996,11533,12864,12618,10430,11782,11336,10556,9506,10885
2000,8979,9608,10673,11013,11403,12548,12750,12992,11729,11193,10148,9570,11051
2001,9055,9659,10819,11210,11569,12755,13535,13880,11683,11206,10502,8917,11233
2002,8793,9757,10536,10818,11458,12212,12111,12439,11528,11055,10281,9566,10880
2003,9146,9550,10233,10678,11135,12158,12088,11744,11085,11119,10063,9098,10675
2004,8496,9039,10714,11181,11203,12302,12725,12619,11797,11474,10305,9727,10965
2005,8617,9933,11042,11194,11504,12389,12646,12740,11589,10800,10340,9286,11007
2006,8837,9665,10550,10993,11462,12490,12413,12361,11778,10988,10492,9580,10967
2007,9066,9757,10928,11214,11530,12461,12633,12779,11736,11330,10771,9229,11120
2008,8811,9555,10341,10785,10985,11701,11873,11679,11344,10714,10029,8701,10543
2009,8663,9424,10184,10851,11135,12079,12376,12107,11645,10722,10219,9131,10711
2010,8821,9580,9941,10142,10585,11293,11669,11496,10935,10354,9590,9126,10294
2011,8867,9262,10093,10370,10390,11618,12240,11926,11577,10993