Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1990,1036,1077,1288,1590,1644,2402,2675,2461,2051,1504,1375,1038,1682,
1991,999,1157,1276,1618,1912,2336,2593,2697,2239,1810,1519,1304,1792,
1992,1238,1316,1571,1794,2126,2675,2970,2869,2238,1836,1575,1274,1964,
1993,1293,1384,1510,1782,2423,2579,2912,3203,2678,2040,1735,1453,2087,
1994,1420,1405,1694,2031,2533,2619,3273,3101,2610,2094,1725,1549,2177,
1995,1530,1619,1652,,2541,2705,,2842,2599,2017,1768,,,
1996,1341,1532,1652,2154,2260,2576,3116,3141,2577,2017,1699,1417,2124,
1997,1452,1538,1770,1960,2399,2400,3118,2978,2314,1940,1759,1572,2100,
1998,1439,1640,1817,2110,2467,2683,3265,3235,2689,2124,1901,1610,2248,
1999,1557,1631,1856,2258,2424,2696,3223,3348,2841,2418,1763,1685,2308,
2000,1588,1659,1803,2111,2451,2695,3188,3154,2420,2042,1781,1541,2203,
2001,1510,1580,1795,2039,2576,2654,3128,3195,2659,2071,1918,1597,2227,
2002,1542,1640,1688,2132,2511,2911,3538,3273,2644,2222,2042,1715,2322,
2003,1672,1787,1848,2200,2451,2981,3501,3318,2639,2234,1825,1602,2338,
2004,1588,1731,1978,2356,2550,2831,3523,3316,2701,2229,2015,1833,2388,
2005,1725,1963,2044,2306,2662,2920,3667,3604,2726,2525,2334,2332,2567,
2006,2123,2204,2304,2595,2941,3455,3979,3656,3171,2643,2380,2164,2801,
2007,2233,2134,2383,2749,3047,3475,4291,3794,3136,2546,2242,2050,2840,
2008,2041,2015,2052,2342,2896,3098,3957,3777,2919,2472,2164,2102,2653,
2009,1932,1895,1987,2381,2921,3251,4145,3665,2900,,,2011,,
2010,1716,1977,1994,2200,2634,3060,3900,3511,2738,2217,2006,1772,2477,
2011,1716,1756,1794,1999,2426,2990,3815,3408,,2396,1896,1785,2430,
2012,1804,,1985,2294,2615,2973,3800,3651,2733,2203,1847,1756,2462,
2013,1694,1730,1885,2054,2493,2829,3815,3365,2536,2192,1902,1747,2354,
2014,1748,1752,1933,2248,2636,2944,3939,3504,2724,,1986,1889,,
2015,1829,1976,2163,2462,2926,3447,4053,3646,2943,2642,2134,2060,2690,
2016,1986,2070,2238,2798,3050,3515,4160,3902,3224,2572,2371,2159,2837,
2017,2014,2062,2201,2597,3208,3822,4661,4126,3376,2974,2551,2374,2997,
2018,2233,2282,2505,3143,4023,4314,5247,4734,3951,3466,,,3590,
2019, , , ,5124,5193,5967,7340,6859,5968,7999,7412,2851,6079,
2020,2705,2825,2890,3189,3721,4661,5490,5285,4548,3684,3091,2881,3748,
2021,2955,2918,3316,3960,4661,5387,6057,5304,4602,3711,3119,2906,4075,
2022,2610,2753,3137,3427,4008,4586,5514,5117,4327,3632,2896,2778,3732,
2023,2619,2673,2860,3359,4191,4889,5565,5287,4242,3584,3062,2631,3747,
2024,2552,2774,3122,3529, , , , , , , , , ,