Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1990,1575,1600,2026,2219,2448,2550,2792,2957,2420,2210,1994,1496,2194,
1991,1514,1836,2001,2170,2297,2551,2838,3048,2451,2431,2095,1925,2266,
1992,1721,1940,2114,2294,2432,2700,2997,3222,3091,2559,2128,1805,2425,
1993,1563,1951,2236,2425,2645,2808,3145,3252,2886,2679,2373,2084,2507,
1994,1988,1993,2248,2576,2909,3007,3337,3357,3024,2633,2137,2026,2607,
1995,2035,2203,2486,2587,2838,,3183,3468,3065,2784,2517,2167,,
1996,1782,1812,2420,2526,2780,2929,3214,3435,2913,2717,2255,1935,2560,
1997,1701,2105,2358,2494,2813,2827,3311,3464,2850,2723,2536,2134,2610,
1998,1872,2239,2519,2658,2902,3012,3336,3567,3097,2851,2491,2135,2723,
1999,2031,2050,2494,2660,2976,3081,3485,3307,2860,2877,2671,2191,2724,
2000,1959,2226,2449,2649,2925,3025,3313,3568,2969,2879,2522,2084,2714,
2001,2005,2251,2503,2608,3062,3135,3445,3526,3110,2896,2691,2219,2788,
2002,2060,2358,2513,2833,3126,3279,3592,3771,3188,2977,2729,2466,2908,
2003,2306,2461,2600,2777,3172,3341,3613,3759,3192,3092,2635,2373,2943,
2004,2080,2430,2793,2955,3133,3325,3620,3725,3238,3043,2802,2481,2969,
2005,2282,2569,2813,2829,3147,3341,3597,3677,3121,2876,2678,2360,2941,
2006,2234,2507,2782,2892,3139,3349,3555,3566,3195,3135,2747,2422,2960,
2007,2259,2465,2794,2902,3200,3314,3621,3716,3190,3046,2842,2310,2972,
2008,2157,2184,2572,2652,2955,3028,3308,3539,3059,3032,2801,2190,2790,
2009,2139,2432,2604,2787,3144,3310,3626,3638,3197,3046,2799,2400,2927,
2010,2306,2613,2872,2916,3135,3045,3378,3719,3306,3103,2684,2322,2950,
2011,2276,2352,2653,2750,3015,3167,3545,3616,3173,2981,2640,2405,2881,
2012,2171,2448,2599,2747,3112,3156,3413,3672,3081,2940,2728,2379,2870,
2013,2065,2451,2791,2827,3135,3281,3544,3637,3073,2986,2670,2353,2901,
2014,2307,2346,2837,2884,3179,3380,3601,3818,3285,3121,2756,2546,3005,
2015,2387,2712,2965,3025,3424,3492,3779,3787,3412,3242,2947,2147,3110,
2016,2430,2759,2967,3188,3502,3692,3789,4021,3505,3234,3030,2426,3212,
2017,2260,2542,2903,3045,3468,3692,3913,4167,3485,3325,3024,2543,3197,
2018,2475,2624,2972,3112,3417,3690,3959,4050,3551,3424,3140,2605,3252,
2019,2583,2338,3035,3161,3606,3713,3972,4020,3541,3349,3047,2782,3262,
2020,2522,2755,2674,2311,2896, ,3355,3967,3574,3316,2704,2531,2972,
2021,2646,2548,3215,3331,3732,4004,4139,4051,3542,3451,3165,2539,3364,
2022,2417,2880,3276,3131,3571,3612,3919,4089,3650,3547,2999,2512,3300,
2023,2712,2856,3046,3190,3697,3917,4115,4138,3750,3635, ,2683,3413,
2024, , ,3132, , , , , , , , , , ,