Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2006,,,,,,,,,,4087,3062,2863,,
2007,2960,3079,2849,2905,3991,5112,6317,5594,4215,3762,3031,2711,3877,
2008,2579,2708,2463,2194,3058,4376,5811,5343,3925,3360,2704,2206,3394,
2009,2497,2768,2231,2228,3498,4411,6125,5210,4100,3216,2487,2126,3408,
2010,2426,2492,2198,2229,3037,4321,6251,5458,4063,3430,2387,2068,3363,
2011,2353,2406,2196,1965,2775,4035,6026,5039,4224,3259,2066,2080,3202,
2012,2456,2524,2139,2143,3158,4525,6186,4899,3675,3237,,,3424,
2013,2331,2553,2326,2243,3475,4721,6363,5716,3980,3371,2485,2250,3485,
2014,2823,2404,2506,2290,3567,5032,6594,5636,4173,3598,2433,2316,3614,
2015,2704,2787,2672,2623,3909,5363,6601,5675,4613,3795,2742,2634,3843,
2016,3022,3108,2614,2736,4102,5835,6993,6261,4922,3855,3027,2580,4088,
2017,2358,2847,2658,2653,4025,5849,7577,6673,4989,3927,2913,2893,4114,
2018,3382,2973,2785,2860,4427,5966,7223,6479,5191,4117,3162,2959,4294,
2019,3643,2805,2890,2543,4029,6272,7888,6827,5212,4036,3244,3119,4376,
2020,3533,3365,2419,1900,4533,6325,7711,7477,5377,4028,2875,3265,4400,
2021,3511,3224,2079,2573,4210,6802,7925,6878,5197,3935,1798,2372,4209,
2022,2980,3550,3014,2536,3736,6022,7531,6785,5401,4618,3051,3014,4353,
2023,3548,3605,3152,2839,4487,6768,8198,6359,5911,4809,3566,2995,4687,
2024,2956,3594,3212, , , , , , , , , , ,