Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg., 1996,,,,1529,1752,2021,2120,2131,2135,2009,1552,1377,, 1997,1484,1456,1280,1463,1795,2003,2150,2187,2085,2056,1774,1620,1779, 1998,1464,1384,1414,1668,1921,2150,2232,2202,2217,2046,1726,1476,1825, 1999,1472,1484,1399,1530,1856,2122,2281,2255,2240,2107,1844,1556,1846, 2000,1538,1543,1479,1600,1951,2174,2162,2115,1974,1957,1674,1456,1802, 2001,1484,1502,1452,1530,1893,2013,2154,2148,2114,1977,1747,1443,1788, 2002,1409,1471,1329,1521,1895,2074,2198,2265,2197,2140,1801,1565,1822, 2003,1489,1493,1378,1585,1866,2085,2156,2157,2087,2107,1697,1554,1805, 2004,1416,1572,1530,1707,1827,2031,2159,2068,2138,2007,1789,1612,1821, 2005,1496,1696,1567,1620,1868,2004,2064,2108,2088,1954,1709,1551,1810, 2006,1424,1587,1503,1451,1981,2013,1936,2077,2112,2081,1713,1577,1788, 2007,1476,1496,1519,1678,1962,2025,2138,2173,2125,2045,1774,1402,1818, 2008,1493,1507,1313,1405,1767,1917,2070,2232,2069,2076,1705,1384,1745, 2009,1456,1445,1261,1436,1766,1958,2040,1950,2068,1888,1680,1585,1711, 2010,1571,1583,1472,1583,1819,1945,2152,2145,2120,1976,1651,1533,1796, 2011,1494,1490,1298,1398,1672,1925,2085,2152,2207,1994,1763,1595,1756, 2012,1470,1515,1249,1436,1715,1904,2078,2036,2030,1917,1734,1520,1717, 2013,1619,1594,1397,1497,1929,2013,2070,2126,1988,1954,1707,1463,1780, 2014,1576,1464,1399,1495,1784,1924,2046,2043,1987,1879,1726,1444,1731, 2015,1514,1591,1588,1652,2015,2076,2115,2032,2044,2108,1849,1540,1843, 2016,1569,1540,1502,1778,1976,2079,2170,2241,2295,2039,1971,1587,1896, 2017,1594,1552,1427,1599,1953,2174,2267,2303,2243,2239,1993,1636,1915, 2018,1701,1636,1472,1656,2031,2164,2246,2204,2245,2187,1935,1682,1930, 2019,1746,1512,1589,1826,2214,2386,2304,2313,2327,2276,2113,1816,2035, 2020,1664,1775,1576,1659,2169,2325,2517,2489,2492,2327,2006,1778,2065, 2021,1864,1752,1825,1980,2446,2492,2464,2441,2396,2317,2141,1802,2160, 2022,1833,2005,1899,2038,2347,2384,2452,2513,2556,2480,2075,1814,2200, 2023,1927,1961,1859,1940,2463,2568,2597,2536,2608,2549,2144,1864,2251, 2024,1770,1838, , , , , , , , , , , ,