Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1990,1067,1104,1583,1695,2029,2351,2465,2057,1974,1763,1548,1060,1725,
1991,968,1295,1530,1607,1857,2129,2367,2446,1966,1920,1636,1325,1754,
1992,1206,1462,1825,1768,2221,2282,2568,2559,2168,2135,1868,1192,1938,
1993,1051,1381,1777,1985,2261,2387,2686,2677,2251,2202,2001,1489,2012,
1994,1387,1464,1957,2298,,2579,2803,2685,2394,2214,1800,1371,,
1995,1408,1646,1877,2087,2392,2427,2745,2809,2353,2272,2116,1447,2132,
1996,1277,1276,1847,1973,2290,2463,2797,2844,2288,2236,1781,1279,2029,
1997,1183,1850,1939,1973,2355,2337,2965,2897,2132,2305,2138,1475,2129,
1998,1278,1659,2017,2096,2361,2592,2887,2860,2476,2247,2029,1518,2168,
1999,1443,1475,1974,2119,2324,2424,2784,2760,2385,2280,2210,1513,2141,
2000,1350,1610,1927,2011,2477,2577,2782,2727,2217,2232,1908,1332,2096,
2001,1242,1469,1905,1982,3059,2784,2786,2851,2363,2291,2182,1407,2193,
2002,1320,1656,1999,2081,2701,2931,2979,2975,2411,2399,2149,1856,2288,
2003,1765,1710,2316,2053,2554,3110,3073,2944,2424,2441,2035,1578,2334,
2004,1341,1724,2175,2235,2741,3012,2950,2750,2261,2394,2095,1589,2272,
2005,1464,1828,2061,2101,2463,2580,2987,2810,2371,2290,2111,1484,2213,
2006,1466,1755,2075,2204,2480,2775,3061,2880,2572,2619,2207,1684,2315,
2007,1559,1851,2143,2255,2548,2708,3069,3036,2598,2457,2254,1542,2335,
2008,1416,1553,2005,1992,2354,2669,2812,2714,2287,2376,,1463,,
2009,1441,1662,1977,2065,2467,2786,3172,2808,2481,2444,2193,1492,2249,
2010,1443,1778,2170,2063,2650,2703,3284,2916,2465,2386,2319,1474,2304,
2011,1459,1658,1938,1950,2343,2668,3098,2807,2441,2276,1950,1495,2173,
2012,1334,1565,1839,1919,2294,2756,2834,2778,2257,2215,2045,1436,2106,
2013,1323,1600,1969,1978,2414,2560,2825,2801,2238,2240,1984,1382,2109,
2014,1385,1443,1977,1996,2424,2951,2914,2820,2386,2344,1988,1536,2180,
2015,1504,1849,2107,2170,2866,2839,3000,2883,2665,2479,2284,1663,2359,
2016,1670,1887,2209,2325,2891,3078,3158,3020,2667,2491,2403,1604,2450,
2017,1468,1761,2097,2259,2729,2959,3225,3278,2636,2571,2345,1692,2418,
2018,1652,1801,2146,2230,2766,3111,3345,3364,2806,2742,2487,1754,2517,
2019,1770,1562,2196,2405,2835,2990,3381,3157,2770,2632,2339,1890,2493,
2020,1655,1966,1959,1558,2372,3030, ,3219,2660,2565,2155,1646,2217,
2021,1693,1726,2357,2495,2941,3343,3519,3294,2837,2657,2450,1664,2581,
2022,1571,1963,2285,2249,2866,3216,3286,3167,2870,2701,2265,1577,2501,
2023,1706,1796,2132,2371,2893,3252,3394,3209,2902,2782,2525,1768,2561,
2024,1504,1958,2267, , , , , , , , , , ,