Year,Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.,Nov.,Dec.,24-Hour Annual Avg., 1990,717,833,1144,1253,1602,2051,2352,2181,1618,1801,1240,699,1462, 1991,734,944,1076,1126,1521,1924,2183,2204,1851,1839,1089,976,1459, 1992,885,1064,1293,1218,1634,1815,2103,2212,1863,1908,1231,855,1513, 1993,540,850,1107,1099,1472,1634,1896,2528,2325,2356,1352,1043,1521, 1994,961,975,1331,1419,1613,1790,2077,2769,2560,2598,1491,978,1719, 1995,1035,,,1318,1779,2130,2633,2561,2287,2155,1395,,, 1996,850,1210,1376,1382,1758,2167,2758,2783,2305,2246,1352,920,1759, 1997,1055,1332,1429,1336,1855,2204,2877,2679,2151,2162,1490,1183,1813, 1998,977,1132,1327,1364,1898,2385,2848,2740,2471,2203,1430,1103,1823, 1999,1075,1086,1423,1410,1945,2469,2993,2774,2457,2281,1409,1133,1871, 2000,870,1321,,1566,2127,2510,2957,2848,2402,2252,1409,1142,, 2001,1251,1373,1539,1486,2129,2362,2787,2579,2260,2305,1514,1120,1892, 2002,1110,1340,1458,1440,1821,2356,2684,2729,2275,2346,1572,1233,1864, 2003,1263,1367,1513,1448,1907,2483,2787,2841,2234,2311,1520,1206,1907, 2004,1117,1308,1510,1523,1835,2367,2824,2575,2375,2224,1531,1376,1880, 2005,1140,1419,1506,1487,1903,2304,2784,2457,2330,2192,1497,1186,1850, 2006,1094,1440,1328,1457,1829,2248,2628,2457,2326,2319,1571,1228,1827, 2007,1236,1363,1490,1500,2407,2475,2667,2534,2243,2172,1576,1169,1903, 2008,985,1101,1459,1220,1748,2212,2346,2439,2067,2039,1527,941,1674, 2009,1087,1277,1314,1293,1927,2193,2751,2469,2235,2062,1452,1153,1768, 2010,1044,1220,1395,1299,1740,2163,2777,2667,2383,2227,1290,1009,1768, 2011,,1188,1272,1361,1683,2160,2800,2602,2354,2141,1433,1340,1812, 2012,1135,1314,1330,1409,1878,2267,2693,2579,2193,2212,1521,1257,1816, 2013,1047,1298,1445,1478,2001,2281,2659,2345,2047,2073,1553,1324,1796, 2014,1223,1248,1487,1453,1991,2303,2596,2380,2145,2279,1393,1237,1811, 2015,1193,1428,1540,1576,1908,2540,2920,2862,2531,2469,1567,1154,1974, 2016,1210,1353,1569,1637,2158,2629,3264,2914,2670,2633,1867,1051,2080, 2017,1099,1355,1527,1616,2190,2773,3619,3173,2808,2777,1805,1433,2181, 2018,1335,1449,1539,1786,2404,2909,3693,2997,2929,2863,1904,1431,2320, 2019,1419,1157,1738,1875,2419,3143,3485,3123,2896,2702,1849,1473,2273, 2020,1266,1533,1303,1238,2466,2870,3407,3157,3219,2827,1707,1353,2195, 2021,1382,1341,1787,1832,2667,3164,3409,3017,3008,2837,2007,1338,2316, 2022,1354,1737,1819,1822,2513,3108,3472,3145,3125,3074,1714,1270,2346, 2023,1401,1606,1326,1713,2573,3244,3686,3460,3418,3260,2081,1957,2477, 2024,1145,1618, , , , , , , , , , , ,