YEAR,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec,Annual 24-hr Avg.
1992,,,18371,19047,18064,16873,14253,26544,26636,25158,23695,23269
1993,21556,24692,26445,28343,22400,26307,26719,27672,29690,29656,28823,28459,26730
1994,27753,30018,31604,31167,30382,32143,29305,31083,32201,31579,30129,28816,30509
1995,29683,31218,31878,32687,31453,32785,31028,31958,32839,33164,31559,29412,31639
1996,29998,32361,32588,33648,31703,32780,30108,31951,33136,32612,31790,28766,31787
1997,29462,32385,31892,33388,32666,33904,31036,32523,33786,33516,32700,31284,32379
1998,30424,33933,33759,34584,33060,34830,31858,32958,33570,33042,28548,31084,32638
1999,31672,32567,33841,35258,32222,33136,30435,31525,32497,33205,31808,30265,32369
2000,29374,31220,31348,32540,31580,31825,32325,31515,34153,31663,29801,30183,31461
2001,28666,31456,32271,33240,31877,33455,31674,33916,34644,35388,33826,31414,32652
2002,33084,35388,34521,37348,35354,34592,33505,35088,35757,36849,34519,33646,34971
2003,33065,34651,33429,35882,33814,34223,32747,33076,35940,36367,33279,33762,34186
2004,32304,35402,36814,37590,34752,35303,33502,34663,37085,36294,35498,34454,35305
2005,35130,37406,37506,38250,35527,37105,34412,37342,37095,36939,36083,36461,36605
2006,34948,37624,37826,37332,36906,36940,34132,37267,37404,37310,36094,33972,36480
2007,35466,37762,37952,38250,37145,36498,34816,37232,37024,39269,36380,33304,36758
2008,32692,36864,35827,38398,36488,34668,34033