YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1990,4932,4516,6660,7584,8679,10420,12149,12314,10091,7917,6592,5475,8134
1991,5052,6024,6890,7493,8672,10564,12594,13057,10478,8488,6741,6875,8596
1992,5965,6875,8082,8446,9711,11371,13149,13447,10880,9305,7487,6525,9306
1993,5889,6653,7680,8744,10154,12004,14035,14421,11912,10066,7897,7755,9789
1994,7045,7111,8459,9485,10940,12779,14551,14213,12032,10028,7798,7684,10199
1995,7014,7625,8347,9392,10651,,14277,14864,12008,10072,8229,8121
1996,6747,7541,8609,9488,11164,13026,15050,14976,11927,10252,7578,6781,10262
1997,6518,7555,8280,9107,10854,12581,14769,15300,11972,10287,8872,8201,10358
1998,6953,8029,9052,10136,11484,13571,15418,15511,13066,11057,9223,8260,10980
1999,7472,7876,9005,10145,11072,14392,15763,15861,12407,11028,9551,8513,11090
2000,7366,8333,9566,9902,11343,13729,15894,15747,12407,10970,9078,8267,11050
2001,7679,7993,9331,9911,11889,13519,15570,16079,13159,11101,9608,8548,11199
2002,7632,8525,8969,10207,12050,14126,15971,16184,12877,11186,9463,8902,11341
2003,8026,8645,9188,10261,12067,14129,16180,17245,12867,11608,8607,8333,11430
2004,8209,9282,9961,11334,12195,14329,16572,16493,12138,11559,9675,8942,11724
2005,7498,8753,9794,10237,10860,12383,14117,14909,12739,10925,9609
2006,8724,8632,10366,10954,11734,13315,15649,15524,12588,11218,9111,9055,11406
2007,7702,,9788,10678,11948,13629,16051,15706,12864,11403,9795,8677
2008,7491,8027,9399,9617,11284,12554