YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1990,2944,3186,3396,3487,3705,3497,3378,3602,3459,3566,3390,2696,3359
1991,2568,3166,3256,3436,3294,2900,2577,2756,2853,3216,3417,3613,3086
1992,3351,3678,3927,4281,4383,4338,4302,4603,4353,4590,4865,5157,4333
1993,3229,3537,3806,4088,4147,4232,4096,4374,4231,4243,3950,4170,4011
1994,3813,3847,4287,4494,4460,4497,4224,4490,4197,4340,3981,4075,4228
1995,3796,4082,4283,4555,4730,4556,4429,4670,4729,4874,4457,4449,4468
1996,4197,4447,4687,4928,5042,5108,4922,5234,4990,5122,4511,4201,4782
1997,4004,4631,5047,5039,4816,4645,4453,4665,4783,4962,4645,4718,4701
1998,4203,4548,4920,5248,5269,5268,5118,5060,5280,5365,4907,5610,5066
1999,4905,5054,5492,5825,6000,5952,5674,5753,,,5276,5503
2000,5271,5718,5678,5264,5612,5978,5110,5733,5770,5842,5570,5635,5598
2001,5130,5612,5880,6080,6017,6150,5848,6048,5979,6018,5755,5544,5838
2002,5223,5548,5656,5940,5905,5601,5452,5568,5618,5303,5240,5338,5533
2003,5432,5954,5984,5981,6506,6583,6506,6778,6974,6993,6375,6544,6384
2004,6006,6563,7192,7443,7081,7604,7240,7477,7564,7338,7029,7073,7134
2005,6830,7635,8038,7761,7387,6141,7466,11031,8614,9115,7921,7719,7972
2006,7893,8354,9968,11534,11884,11821,10972,10825,10896,10820,10260,7957,10265
2007,6689,7061,7318,7314,7674,7836,7355,7357,7088,6975,6560,6182,7117
2008,6715,7496,7694,7950,7177,6919,6411,6424,6510,6602,6155,5828,6823
2009,5778,4380,5827,6600,6608,6488,6316,6432,6451