Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2004,,,,,2387,2610,2997,2908,2586,2384,2264,2361,,
2005,1969,2247,2307,2383,2535,2558,2981,3306,2799,2386,2369,2346,2516,
2006,2186,2315,2312,2450,2731,2903,3132,3209,2746,2470,2405,2374,2603,
2007,2195,2335,2647,2521,2807,3079,3342,3368,2843,2733,2561,2379,2734,
2008,2017,2019,2250,2376,2724,2761,3156,3053,2691,2540,2353,2152,2508,
2009,2017,2245,2186,2356,2579,2757,2997,2917,2574,2441,2215,2224,2459,
2010,2036,2155,2271,,2034,2695,2684,2591,2255,2128,1890,1903,,
2011,1702,1766,1874,1904,2106,2115,2568,2544,2224,1997,1785,1976,2047,
2012,1731,1843,1870,1955,2201,2236,2515,2187,1887,1761,1619,1608,1951,
2013,1446,1581,1609,2175,2102,2106,2338,2384,2103,1940,1643,1680,1926,
2014,1490,,1625,1673,1863,1975,2200,2194,1840,1758,1585,1671,,
2015,1485,1648,1624,1637,1777,1869,2093,1963,1798,1744,1609,1641,1741,
2016,1570,1711,1690,1662,1840,1874,2109,2091,1922,1761,1661,1656,1796,
2017,1451,1541,1623,1685,2083,2215,2361,2293,2038,1989,1836,1803,1910,
2018,1685,1774,1803,1797,2173,2395,2791,2852,2488,2114,1878,1981,2144,
2019,1808,1819,1897,1980,2154,2235,2480,2481,2246,2130,2036,2120,2116,
2020,1850,2061,1994,1604,1955,2213,2465,2520,2470,2280,2030,2111,2129,
2021,2040,2109,2229,2234,2435,2687,2940,2780,2592,2504,2298,2350,2433,
2022,2066,2281,2345,2365,2551,2654,2985,2885,2742,2591,2323,2267,2505,
2023,2356,2410,2414,2397,2651,2816,3073,2930,2653,2502,2384,2560,2595,
2024,2253,2514,2613, , , , , , , , , , ,