Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1998,3370,3770,3872,3991,4137,4307,3739,3982,4258,4411,3935,3578,3946,
1999,3663,3744,4008,4206,4228,4734,4825,5025,4583,4624,4064,3686,4283,
2000,3580,3801,4052,4162,4276,4562,4731,4823,4431,4233,3856,3461,4164,
2001,3564,3635,4045,4170,4343,4624,4723,4887,4475,4269,3816,3285,4153,
2002,3446,3777,3800,3873,4295,4483,4796,5013,4570,4969,4278,3735,4253,
2003,3458,4087,4205,4579,4300,4701,4734,5351,4869,4450,3630,3260,4302,
2004,2994,3472,3753,3844,4009,4192,4615,4623,4509,4113,3591,3340,3921,
2005,,,,,,,,,,,,,,
2006,,,,,,,,,,,,,,
2007,,,,,,,,,,,,,,
2008,,,,,,,,,,,,,,
2009,,,,,,,,,,,,,,
2010,,,,,,,,,,,,,,
2011,2058,2123,2196,2257,2537,2740,,3078,2849,2560,,,2528,
2012,1988,2024,,,,,,,,,,,,
2013,1949,2050,2203,2226,2568,2865,3157,3136,2834,2605,2243,1961,2483,
2014,1948,1972,2123,2206,2499,2781,3120,2697,2720,2628,2270,2111,,
2015,2302,2427,2595,2652,2840,3137,3451,3374,3162,,,,,
2016,1998,2113,2170,2370,2642,3078,3415,3321,2955,2813,2468,,,
2017,1914,2069,2337,2457,2741,3045,3512,3301,2964,,2467,2388,2724,
2018,2145,2266,2235,2491,2838,3123,3558,3389,3169,2794,2444,2181,2719,
2019,2069,2019,2303,2531,2794,3228,2123,2619,3003,2773,2397,2079,2495,
2020,2021,2077,2017,1994,2613,3061,3572,3478,3310,2870,2358,2213,2632,
2021,2174,2164,2451,2591,2958,3448,3677, , , , , ,2780,
2022, , , , , , , ,3168,3118,2930,2463,2059, ,
2023,1983,1987,2144,2395,2883,3350,3647,3394,3169,2905,2497,2185,2711,
2024,2048,2192,2252, , , , , , , , , , ,