Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1990,129,153,338,267,393,476,566,528,479,406,307,186,354,
1991,207,254,296,325,437,567,769,735,673,659,382,280,467,
1992,257,278,442,436,693,762,943,801,725,715,505,230,568,
1993,253,334,325,446,638,698,927,965,807,903,539,263,593,
1994,269,288,358,574,772,913,1374,1101,985,872,438,287,689,
1995,290,342,395,531,746,879,1397,1383,1121,953,554,361,746,
1996,304,283,374,487,732,959,1437,1304,862,836,503,217,692,
1997,125,255,295,383,623,676,985,1061,803,714,481,279,557,
1998,196,258,335,453,617,846,1303,1135,1007,834,437,243,639,
1999,235,221,248,395,651,909,1472,1340,1093,829,531,308,686,
2000,240,272,358,503,723,1013,1495,1181,905,763,484,283,685,
2001,297,331,405,502,820,1091,1450,1275,913,793,529,234,720,
2002,276,308,309,497,765,1026,1536,1378,1008,779,525,306,726,
2003,280,316,313,485,770,1105,1515,1241,963,833,525,291,720,
2004,234,286,370,541,746,988,1488,1237,1023,787,524,285,709,
2005,262,371,399,443,715,976,1462,1229,950,735,520,231,691,
2006,216,289,313,405,659,963,1430,1198,902,723,532,265,658,
2007,257,270,349,485,753,1071,1375,1210,896,704,497,261,677,
2008,213,273,345,409,606,908,1272,1260,832,643,478,241,623,
2009,277,313,291,449,697,946,1465,1309,840,676,422,273,663,
2010,266,329,352,439,577,861,1474,1179,928,675,359,230,639,
2011,238,295,292,357,540,802,1303,1264,956,650,383,286,614,
2012,257,290,298,435,606,940,1421,951,815,612,384,289,608,
2013,249,311,333,437,681,1026,1429,1226,790,635,402,240,647,
2014,298,246,319,428,713,1062,1461,1281,910,703,378,275,673,
2015,291,356,448,463,736,1164,1462,1304,1001,765,417,269,723,
2016,306,349,411,536,786,1293,1716,924,1140,786,541,263,754,
2017,258,262,350,471,797,1139,1674,1626,1197,864,534,432,800,
2018,432,391,436,542,866,1320,1745,1475,1124,857,530,370,841,
2019,386,282,382,495,785,1318,1747,1643,1190,836,546,381,833,
2020,351,431,501,536,1031,1510,2160,1928,1490,1113,646,481,1015,
2021,482,427,610,693,1017,1667,1865,1688,1401,1018,638,382,991,
2022,404,479,559,572,837,1357,1846,1649,1296,1055,532,305,908,
2023,412,465,408,509,914,1444,2092,1778,1423,1077,619,422,964,
2024,323,451,486, , , , , , , , , , ,