Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1990,1278,1446,1606,1781,1995,2286,2364,2340,2204,1782,1474,1314,1824,
1991,1196,1522,1665,1702,1971,2299,2447,2550,2300,1986,1757,1545,1914,
1992,1436,1577,1701,1820,2118,2406,2544,2522,2272,1978,1758,1530,1978,
1993,1360,1647,1794,1895,2142,2447,2561,2659,2464,2107,1916,1722,2062,
1994,1652,1737,1902,1994,2222,2526,2725,2756,2602,2173,1769,1631,2143,
1995,1635,1701,1794,1939,2241,2506,2686,2782,2432,2044,1753,1576,2091,
1996,1456,,1781,1988,2050,2378,2663,2696,2309,2123,1712,1450,,
1997,1412,1701,1658,1838,2114,2471,2733,2853,2489,1998,1798,1707,2064,
1998,1524,1765,1837,2058,2383,2584,2828,2848,2549,2144,1819,1659,2167,
1999,1611,1768,1906,2051,2295,2564,2779,2832,2686,2228,1927,1755,2200,
2000,1685,1879,1894,2110,2384,2575,2690,2429,2292,2028,1864,1618,2121,
2001,1598,1723,1839,1991,2396,2532,2625,2631,2408,2103,1931,1659,2120,
2002,1658,1825,,1962,2314,2531,2727,2705,2433,2208,1882,1774,,
2003,1681,1833,1747,1996,2320,2578,2679,2139,2466,2223,1836,1717,2101,
2004,1541,1920,1999,2184,2332,2620,2684,2580,2365,2132,1912,1763,2169,
2005,1642,1858,1864,1972,2184,2382,2529,2572,2269,2003,1824,1667,2064,
2006,1591,1832,1903,1975,2161,2352,2341,2393,2182,1959,1738,1603,2003,
2007,1506,1767,1899,1959,2248,2408,2474,2506,2354,2145,1870,1468,2050,
2008,1432,,1731,1839,2071,2218,2282,2276,2143,1977,1741,1454,,
2009,1482,1722,1721,1864,2084,2314,2453,2332,2312,1965,1819,1572,1970,
2010,1563,1770,1787,1875,2093,2230,2432,2477,2363,2089,1783,1565,2002,
2011,1617,1765,1752,1841,1998,2300,2511,2475,2457,2093,1793,1697,2025,
2012,,1836,1690,1807,2069,2328,2478,2535,2276,,1812,1605,2023,
2013,1571,,1777,1837,2188,2317,2491,2466,2242,2039,1830,1554,,
2014,1595,1521,1689,1861,2130,2321,2468,2443,2258,2062,1822,1613,1982,
2015,1660,1790,1886,1955,2276,2294,2520,2536,2449,2236,1980,1718,2108,
2016,1752,1909,1912,2118,2372,2503,2519,2516,2394,2150,1996,1571,2143,
2017,1499,1666,1790,1886,2158,2411,2505,2304,2187,2055,1855,1637,1996,
2018,1640,1668,1845,1987,2304,2491,2517,2403,2343,2116,1911,1661,2074,
2019,1658,1492,1849,1856,2333,2437,2536,2518,2319,2012,1859,1653,2044,
2020,1609,1712,1591,1501,2026,2313,2508,2522,2289,2132,1895,1711,1984,
2021,1788,1622,2013,2245,2489,2746,2645,2557,2451,2289,2025,1739,2217,
2022,1593,1886,1934,2033,2252,2414,2432,2496,2392,2315,1899,1555,2100,
2023,1759,1917,1935,2085, , , ,2494,2404, ,2025,1743,2080,
2024,1541,1815,1905, , , , , , , , , , ,