YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1995,4245,4409,4409,4939,4984,4994,4987,5106,5104,4994,4639,4271,4757
1996,3704,4071,4547,4943,5016,5211,5042,5087,5113,5008,4521,4183,4704
1997,4071,4388,4489,4956,5141,5186,5034,5135,5153,4893,4645,4184,4773
1998,3990,4467,4574,5061,5045,5267,5214,5165,5173,4986,4607,4281,4819
1999,4255,4296,4530,4958,5153,5220,5156,5256,5179,5158,4753,4333,4854
2000,4132,4414,4612,5116,5072,5132,5100,5183,5059,4939,4440,4088,4774
2001,3966,4265,4507,4888,5161,5104,5021,5075,5087,4909,4615,4149,4729
2002,4052,4280,4411,5023,5157,5113,5178,5171,5174,5236,4824,4492,4843
2003,4397,4507,4425,5171,5278,5308,5358,5212,5244,5169,4588,4501,4930
2004,4061,4502,4810,5243,5427,5371,5176,5103,5200,5092,4741,4466,4933
2005,4219,4716,4779,4990,5089,5293,5105,5136,4984,4953,4619,4242,4844
2006,4291,4525,4656,4973,5140,5266,5107,5144,4895,5004,4654,4306,4830
2007,4164,4453,4732,5075,5187,5231,5188,5358,,5161,5009,4574
2008,3656,3818,4354,4923,5150,4976,5018