Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
2005,,,,,,,,,,2428,2235,1882,,
2006,1746,1978,2132,2390,2792,2983,3261,3649,3294,3306,2794,2491,2735,
2007,2112,2406,2778,3002,3263,3444,3724,3802,3303,3160,2936,2329,3023,
2008,1996,2276,2610,2718,3086,3136,3388,3629,3177,3118,2917,2127,2848,
2009,1963,2493,2583,2925,3347,3434,3777,3759,3390,3233,2904,2415,3019,
2010,2266,2667,2907,2981,3244,3418,3827,3824,3528,3226,2707,2234,3069,
2011,2271,2239,2715,2882,3176,3341,3475,3602,3356,3065,2710,2474,2942,
2012,2169,2565,2674,2803,3127,3160,3411,3789,3196,3058,2769,2385,2925,
2013,2127,2535,2836,2929,3272,3355,3692,3925,3314,3174,2842,2440,3037,
2014,2380,2355,2861,2999,3335,3556,3796,4019,3653,3419,3102,2792,3189,
2015,2602,2914,3165,3265,3693,3799,4089,4104,3763,3551,3230,2758,3411,
2016,2682,2975,3222,3435,3797,3915,4135,4480,3798,3502,3404,2623,3497,
2017,2418,2723,3117,3305,3848,4049,4272,4605,3830,3692,3341,2841,3503,
2018,2723,2876,3225,3365,3848,4061,4259,4398,3877,3714,3487,2910,3562,
2019,2816,2466,3220,3561,4104,4278,4658,4817,4372,4160,3512,3129,3758,
2020,2680,3075,2969,2702,3320,3910,3796,4567,4361, , , ,3487,
2021, , , , , , , ,4265,3818,3683,3395,2703, ,
2022,2532,2985,3302,3313,3746,3905,4195,4321,3998,3776,3175,2634,3489,
2023,2802,3002,3184,3317,3907,4261,4325,4453,3997,3882,3479,2977,3632,
2024,2459,3042,3332, , , , , , , , , , ,