Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1990,242,274,323,382,649,962,1361,1252,860,485,308,226,613,
1991,228,300,323,313,567,986,1340,1298,999,590,277,204,621,
1992,258,301,342,399,689,1039,1386,1360,957,601,330,281,665,
1993,244,321,369,413,726,1103,1491,1428,1050,657,351,303,708,
1994,309,322,375,413,702,1088,1580,1368,1073,660,353,349,719,
1995,280,357,376,385,658,1068,1485,1445,1120,599,293,416,707,
1996,289,327,388,393,660,1052,1454,1426,1103,609,365,323,699,
1997,314,374,421,392,612,906,1377,1366,1028,631,400,347,681,
1998,296,367,400,432,683,946,1405,1438,1086,370,344,359,677,
1999,313,,447,396,630,937,1271,1230,923,586,380,361,,
2000,338,365,387,416,639,952,1243,1154,940,598,367,349,646,
2001,323,357,380,402,630,952,1232,1296,878,582,390,302,644,
2002,,,,,,,,,,,,,,
2003,,,,,,,,,,472,391,343,,
2004,319,378,388,406,601,872,1150,1048,922,587,397,386,621,
2005,313,362,370,403,637,860,1179,1043,824,546,390,333,605,
2006,315,400,386,402,584,842,1104,974,962,564,396,381,609,
2007,315,436,402,409,612,748,1047,978,726,466,352,330,568,
2008,288,314,,,528,710,881,886,835,575,383,346,,
2009,335,398,366,397,606,788,1044,970,887,567,410,355,594,
2010,332,389,400,393,588,848,1133,1042,910,604,380,355,615,
2011,339,373,,396,502,799,1032,978,869,597,388,386,587,
2012,361,398,384,399,599,804,1021,986,841,578,385,333,591,
2013,341,400,395,396,599,756,970,1033,834,552,420,427,594,
2014,376,376,421,430,603,796,1005,938,904,637,432,401,610,
2015,413,459,455,485,619,853,1022,950,910,667,441,409,640,
2016,402,478,466,487,664,908,1053,947,1025,832,484,414,680,
2017,370,427,478,485,671,875,1055,1114,821,678,483,442,658,
2018,415,436,473,470,668,830,1028,910,871,643,472,433,637,
2019,435,442,461,486,668,823,979,926,794,619,471,436,628,
2020,412,467,396,360,571,750,938,877,855,654,448,431,597,
2021,434,449,493,524,679,878,983,872,850,661,521,445,649,
2022,485, , ,519,661,783,884,856,826,661,478,440,659,
2023,428,460,467,504,660,805,913,821,828,647,505,473,626,
2024,424,480,459, , , , , , , , , , ,