YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1990,1051,1096,1230,1297,1355,1554,1350,1492,1355,1362,1275,1101,1294
1991,1142,1768,2962,2886,2091,1631,1555,1622,1536,1491,1402,1346,1785
1992,1396,1373,1603,1667,1641,1684,1674,1666,1583,1536,2061,1421,1613
1993,1209,1374,1522,1706,1685,1836,1733,2052,1746,1669,1592,1558,1641
1994,1480,1567,1837,2059,2033,1884,1778,1670,1663,1674,1610,1396,1721
1995,1578,1655,1897,2162,2178,2364,2278,2365,2289,2263,2100,2006,2095
1996,2135,2305,2486,2653,2617,2678,2609,1521,917,2377,2433,2236,2247
1997,2366,2656,3112,3338,3374,3483,3212,3244,3017,2834,2807,2434,2990
1998,2481,2668,3112,2902,2843,2897,2773,2842,2890,2850,2623,2632,2793
1999,2700,2710,2607,2811,2984,2857,2541,2865,,2613,2649,3108
2000,3249,3553,3711,4064,3964,3889,3871,3866,3818,3821,3681,3592,3757
2001,3512,3799,3956,4232,4472,4359,4336,4408,4308,4301,4108,3902,4141
2002,4034,4335,4311,4719,4765,4681,4709,4858,5050,4832,4360,4147,4567
2003,4257,4913,4769,5413,5176,5159,5017,4953,5082,5016,4553,4332,4887
2004,4158,4574,4772,5481,5254,5238,5034,5227,5213,5166,4823,4659,4967
2005,4558,4867,4929,4969,5286,5499,4690,5528,5701,5263,5124,4862,5106
2006,4987,5458,5727,6239,6386,6253,5966,6195,6196,6208,5949,5565,5927
2007,5717,6257,6465,6772,7145,7292,6462,6459,5983,5722,5995,5719,6332
2008,5436,5512,5331,5913,6397,6382,6108