Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg.,
1998,1502,1763,1814,2016,2173,2758,2294,2581,2637,2922,2217,1713,2199,
1999,1622,1249,,1733,1917,2037,,,,2172,1483,1397,,
2000,1237,1386,1495,1627,1854,1969,2170,2095,1960,2044,1587,1333,1730,
2001,1206,1293,1485,1624,2068,2140,2399,2304,2241,2288,1838,1388,1856,
2002,1336,1466,1576,1713,2097,2350,2536,2585,2338,2387,1791,1508,1974,
2003,1445,1681,1727,1796,2175,2440,2686,2451,2318,2386,1837,1541,2040,
2004,1343,1609,1728,1909,2195,2371,2651,2667,2436,2454,1893,1611,2072,
2005,,,,,,,,,,,,,,
2006,,,,,,,,,,,,,,
2007,,,,,,,,,,,,,,
2008,,,,,,,,,,,,,,
2009,,,,,,,,,,,,,,
2010,,,,1797,2103,,,,2399,2351,1799,,,
2011,1418,1504,1549,1820,1891,2153,2745,2623,2387,2147,1300,1374,2024,
2012,,,,,,,,,,,,,,
2013,1276,1424,1569,1652,2154,2247,2454,2326,2432,2157,1697,1328,1893,
2014,1271,1390,1643,1714,2031,2370,2648,2632,,2259,1807,1472,,
2015,1612,1857,2024,2103,4305,,,2751,2859,,,,,
2016,1506,1678,1844,2035,2378,2670,2758,,,2491,2184,,,
2017,,1487,1813,1978,2428,2497,3100,2887,2574,2526,2058,1608,2269,
2018,1552,1658,1814,1888,2348,2749,3105,2900,2749,2654,2194,1741,2279,
2019,1710,1621,2006,2124,2595,2898,3145,2761,2634,2534,2028,1745,2318,
2020,1545,1715,1568,1522,2393,2917,3000,3153,3631,3394,2387,1898,2427,
2021,1813,1834,3152,2829,3316,3636,3661,3249,3272,3203,3724,2315,3000,
2022,2006,2087,2241,2390,2937,3151,3281,3058,3357,3190,2436,1894,2669,
2023,1976,2053,2157,2360,2892,3318,3675,3414,3312,3130,2627,2037,2746,
2024,1746,2171,2265, , , , , , , , , , ,