YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1990,3453,3797,4596,5024,5306,6094,6584,6872,5392,4549,4625,4059,5037
1991,3643,4380,5039,5048,5313,6392,6903,6962,5737,5160,4850,4901,5367
1992,4276,4752,5300,5901,5938,6856,7916,7940,5969,5594,5119,4727,5878
1993,4080,4728,5624,6168,6208,7227,8880,8670,6713,5861,5218,5031,6211
1994,4872,5103,5996,6439,6791,7567,9079,8539,6977,6017,5239,5687,6537
1995,5021,5572,6220,6462,6795,7946,9079,9054,7471,6414,6331,6073,6870
1996,4982,5693,6517,6952,7122,8229,9429,9573,7523,6597,6280,6079,7081
1997,5375,5985,6977,6728,6830,8480,9827,9845,7681,7043,6855,6546,7348
1998,5739,6228,6845,7552,8154,9059,11140,10339,8261,7421,7152,6678,7881
1999,6087,6535,7675,7819,8215,9697,11077,10903,8676,7700,7617,6978,8248
2000,6232,6928,7665,7919,8391,9498,11045,10623,8281,7753,7305,7037,8223
2001,6361,6783,7822,8104,7930,9818,10687,,,, , 
2002,,,,,,,,10947,8737,8128,7508,8271
2003,6905,7081,7951,8387,9329,10162,11548,11184,8668,8283,7776,7312,8716
2004,6614,6817,8247,8966,,9587,11582,11146,9259,8618,8142,7728
2005,6469,7197,8408,8515,9165,10251,11717,11317,8871,8834,7959,7587,8858
2006,6766,7703,8410,8735,9037,10408,11733,10898,9564,8581,8317,8055,9017
2007,7059,7657,8867,9110,9369,10694,11937,11533,9624,8708,8779,7590,9244
2008,6893,7409,8739,8582,9101,9588,10813,10528,8994,8627,8343,7618,8770
2009,7265,7639,8371,9274,9961,10664,12578,11575,9908