YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 3.26727e+00 3.16466e-02 128 2000 3 3.90234e+00 8.60061e-01 374 2000 4 6.27402e+00 4.40688e-01 209 2000 5 1.00688e+01 1.83877e+00 283 2000 6 1.46395e+01 3.90920e-01 208 2000 7 1.68988e+01 1.52829e+00 459 2000 8 1.86275e+01 1.03782e+00 320 2000 9 1.61896e+01 1.46827e+00 380 2000 10 1.20845e+01 1.78599e+00 254 2000 11 9.16428e+00 7.41653e-01 462 2000 12 6.25160e+00 1.03028e+00 391 2001 1 3.50536e+00 4.68039e-01 303 2001 2 3.46220e+00 2.76327e-01 339 2001 3 3.26120e+00 4.45965e-01 288 2001 4 5.89836e+00 1.77506e+00 414 2001 5 1.16623e+01 1.36437e+00 348 2001 6 1.44907e+01 1.22627e+00 209 2001 7 1.51024e+01 1.88370e+00 350 2001 8 1.73687e+01 2.63588e-01 182 2001 9 1.57249e+01 1.11770e+00 677 2001 10 1.09603e+01 6.80004e-01 416 2001 11 8.08778e+00 1.34338e+00 503 2001 12 7.51199e+00 9.83672e-01 508 2002 1 4.50699e+00 1.07891e+00 410 2002 2 3.87077e+00 6.32487e-01 214 2002 3 4.39818e+00 7.36533e-01 181 2002 4 6.96644e+00 1.61121e+00 409 2002 5 9.74115e+00 1.78732e+00 325 2002 6 1.27664e+01 2.92433e+00 237 2002 7 1.72391e+01 1.74528e+00 1269 2002 8 1.88106e+01 1.74489e+00 1400 2002 9 1.69963e+01 1.91151e+00 1454 2002 10 1.39036e+01 1.69193e+00 1983 2002 11 9.69682e+00 9.62884e-01 1657 2002 12 5.79580e+00 9.60886e-01 2038 2003 1 3.13508e+00 1.23229e+00 884 2003 2 2.12802e+00 7.24789e-01 406 2003 3 2.30657e+00 1.16937e+00 740 2003 4 4.59615e+00 1.54427e+00 712 2003 5 9.12024e+00 2.12259e+00 793 2003 6 1.30956e+01 2.42556e+00 637 2003 7 1.68811e+01 1.34679e+00 605 2003 8 1.83152e+01 1.60007e+00 1117 2003 9 1.68549e+01 1.53102e+00 1508 2003 10 1.27244e+01 1.82177e+00 1811 2003 11 9.01788e+00 1.22437e+00 1251 2003 12 5.61085e+00 9.69332e-01 1627 2004 1 3.40474e+00 1.25232e+00 946 2004 2 1.56701e+00 6.72975e-01 947 2004 3 2.56378e+00 3.10905e-01 643 2004 4 5.14402e+00 1.42644e+00 889 2004 5 9.80890e+00 2.56587e+00 856 2004 6 1.38562e+01 1.42745e+00 1067 2004 7 1.73132e+01 1.94223e+00 1319 2004 8 1.77268e+01 1.41163e+00 1452 2004 9 1.59362e+01 1.15502e+00 1435 2004 10 1.35582e+01 1.72230e+00 1638 2004 11 9.45688e+00 1.45266e+00 2402 2004 12 6.22044e+00 1.26662e+00 1535 2005 1 3.34955e+00 1.03114e+00 601 2005 2 1.65806e+00 9.29631e-01 495 2005 3 2.20653e+00 7.43404e-01 937 2005 4 6.81064e+00 1.64312e+00 1573 2005 5 8.51145e+00 1.57956e+00 674 2005 6 1.36595e+01 1.29594e+00 436 2005 7 1.80871e+01 1.32481e+00 1335 2005 8 1.85144e+01 1.51992e+00 1786 2005 9 1.59683e+01 1.45625e+00 1297 2005 10 1.15633e+01 1.39551e+00 913 2005 11 9.22797e+00 1.18522e+00 1919 2005 12 5.66303e+00 1.12471e+00 1695 2006 1 4.33036e+00 5.64095e-01 1230 2006 2 3.59295e+00 6.65463e-01 789 2006 3 3.16123e+00 8.15510e-01 1115 2006 4 6.99746e+00 1.26875e+00 1762 2006 5 9.40620e+00 1.97562e+00 797 2006 6 1.44903e+01 1.61992e+00 586 2006 7 1.77772e+01 2.58346e+00 793 2006 8 1.74921e+01 1.13282e+00 1366 2006 9 1.67960e+01 1.64532e+00 1820 2006 10 1.22836e+01 1.37736e+00 1684 2006 11 9.76734e+00 2.12550e+00 1152 2006 12 7.86644e+00 1.23475e+00 2069 2007 1 5.86112e+00 1.01508e+00 1236 2007 2 2.96805e+00 9.70784e-01 1171 2007 3 3.63680e+00 1.07560e+00 1268 2007 4 5.05755e+00 1.77280e+00 990 2007 5 1.00854e+01 2.38133e+00 1521 2007 6 1.52430e+01 1.31409e+00 1398 2007 7 1.76509e+01 2.51660e+00 1034 2007 8 1.72031e+01 2.10828e+00 1404 2007 9 1.52085e+01 1.15811e+00 1461 2007 10 1.29854e+01 1.32467e+00 1493 2007 11 9.24765e+00 1.38335e+00 1230 2007 12 5.55301e+00 1.41725e+00 1182 2008 1 3.42255e+00 7.02702e-01 1075 2008 2 2.85561e+00 4.94259e-01 825 2008 3 3.29457e+00 3.83667e-01 1158 2008 4 6.93069e+00 1.98914e+00 1454 2008 5 9.80486e+00 1.46884e+00 1430 2008 6 1.56873e+01 1.70934e+00 1056 2008 7 1.82512e+01 1.20211e+00 1079 2008 8 1.89556e+01 1.38920e+00 2683 2008 9 1.61325e+01 2.36874e+00 1616 2008 10 1.30025e+01 1.37562e+00 2163 2008 11 9.20193e+00 1.31280e+00 1521 2008 12 6.30358e+00 9.00767e-01 1532 2009 1 3.55844e+00 1.20467e+00 1149 2009 2 1.90011e+00 1.03339e+00 827 2009 3 3.07030e+00 9.31885e-01 821 2009 4 5.28600e+00 1.74618e+00 1291 2009 5 1.02116e+01 1.65231e+00 826 2009 6 1.38609e+01 2.24015e+00 740 2009 7 1.68686e+01 1.35125e+00 1797 2009 8 1.86684e+01 1.55504e+00 1378 2009 9 1.68961e+01 8.55551e-01 2244 2009 10 1.15429e+01 1.29875e+00 1728 2009 11 1.03271e+01 9.35358e-01 1503 2009 12 7.29520e+00 1.33034e+00 1974 2010 1 3.38046e+00 8.36970e-01 1054 2010 2 2.53414e+00 1.04791e+00 838 2010 3 3.76927e+00 1.06286e+00 1008 2010 4 7.69103e+00 1.07922e+00 1287 2010 5 1.16311e+01 2.95694e+00 1164 2010 6 1.46476e+01 2.03736e+00 824 2010 7 1.83775e+01 1.97110e+00 1590 2010 8 1.74954e+01 1.33306e+00 1285 2010 9 1.63500e+01 1.58790e+00 1793 2010 10 1.35348e+01 1.30479e+00 1936 2010 11 9.00414e+00 1.46780e+00 1465 2010 12 5.93231e+00 1.66119e+00 1696 2011 1 3.76308e+00 1.18951e+00 982 2011 2 2.36917e+00 4.57524e-01 957 2011 3 3.28563e+00 7.39255e-01 1310 2011 4 5.21052e+00 9.63481e-01 896 2011 5 9.94647e+00 3.05372e+00 616 2011 6 1.50262e+01 2.66573e+00 1099 2011 7 1.83432e+01 1.58703e+00 1725 2011 8 1.87377e+01 1.49086e+00 1586 2011 9 1.62430e+01 1.15609e+00 1708 2011 10 1.39819e+01 1.57386e+00 1350 2011 11 1.04120e+01 8.26512e-01 1443 2011 12 8.43904e+00 1.02777e+00 1705 2012 1 5.67586e+00 1.01339e+00 1582 2012 2 4.34507e+00 7.41348e-01 1539 2012 3 5.81021e+00 1.27067e+00 496 2012 4 7.93842e+00 1.42766e+00 1779 2012 5 1.22757e+01 2.93880e+00 870 2012 6 1.59198e+01 1.99525e+00 1154 2012 7 1.89750e+01 1.69665e+00 1870 2012 8 1.93341e+01 1.36580e+00 2220 2012 9 1.58210e+01 1.60730e+00 1596 2012 10 1.32385e+01 1.10485e+00 1632 2012 11 9.96560e+00 1.34423e+00 1684 2012 12 7.12935e+00 9.02557e-01 1016 2013 1 5.35890e+00 1.14715e+00 1470 2013 2 3.25118e+00 1.12489e+00 1038 2013 3 3.54039e+00 9.47900e-01 1048 2013 4 6.72642e+00 2.55884e+00 1770 2013 5 1.10900e+01 1.88594e+00 1333 2013 6 1.54173e+01 1.71115e+00 1543 2013 7 2.14776e+01 1.75184e+00 1387 2013 8 1.79097e+01 2.02254e+00 1940 2013 9 1.54215e+01 1.14338e+00 1811 2013 10 1.43195e+01 1.54462e+00 2376 2013 11 9.57579e+00 1.13355e+00 1694 2013 12 5.23255e+00 1.21962e+00 1140 2014 1 3.10524e+00 8.06039e-01 728 2014 2 1.89343e+00 6.25790e-01 501 2014 3 2.34607e+00 5.26779e-01 751 2014 4 5.01138e+00 8.69537e-01 1308 2014 5 1.01578e+01 2.38712e+00 1110 2014 6 1.56147e+01 1.67232e+00 1676 2014 7 1.65000e+01 1.70054e+00 1117 2014 8 1.85173e+01 1.55885e+00 2325 2014 9 1.68552e+01 1.14970e+00 1845 2014 10 1.46132e+01 1.29689e+00 1557 2014 11 9.64258e+00 1.31747e+00 1069 2014 12 6.83252e+00 6.98413e-01 1102 2015 1 4.24485e+00 1.14501e+00 1237 2015 2 2.97569e+00 1.07868e+00 218 2015 3 1.76277e+00 3.43087e-01 441 2015 4 4.99955e+00 2.15826e+00 1099 2015 5 1.08643e+01 1.72852e+00 780 2015 6 1.49561e+01 2.27487e+00 989 2015 7 1.90193e+01 1.85667e+00 2428 2015 8 1.86765e+01 1.86949e+00 2299 2015 9 1.87032e+01 1.19405e+00 2129 2015 10 1.35912e+01 1.47105e+00 1829 2015 11 1.07854e+01 9.98587e-01 1751 2015 12 8.25796e+00 1.25691e+00 1019 2016 1 5.79530e+00 1.01966e+00 1352 2016 2 3.86234e+00 7.62635e-01 1007 2016 3 5.08270e+00 1.12167e+00 1199 2016 4 6.60496e+00 1.36209e+00 1910 2016 5 9.51458e+00 2.00703e+00 865 2016 6 1.48612e+01 1.43678e+00 1411 2016 7 1.92279e+01 2.06728e+00 1733 2016 8 1.96638e+01 1.82578e+00 2543 2016 9 1.75759e+01 1.42571e+00 2095 2016 10 1.51219e+01 1.10307e+00 1843 2016 11 1.10564e+01 1.27929e+00 1849 2016 12 7.68348e+00 1.52133e+00 1807 2017 1 5.02789e+00 1.10859e+00 833 2017 2 4.73704e+00 6.18462e-01 1088 2017 3 3.84495e+00 6.48264e-01 1343 2017 4 5.85141e+00 1.74233e+00 884 2017 5 9.79647e+00 2.53098e+00 785 2017 6 1.30821e+01 2.50917e+00 783 2017 7 1.72898e+01 1.51575e+00 1265 2017 8 1.74188e+01 1.67481e+00 2271 2017 9 1.63487e+01 1.79302e+00 1291 2017 10 1.50577e+01 1.43935e+00 1682 2017 11 9.36219e+00 1.25768e+00 2080 2017 12 6.16303e+00 1.24031e+00 1654 2018 1 3.16579e+00 9.75085e-01 978 2018 2 3.21299e+00 9.89988e-01 783 2018 3 3.64626e+00 6.67085e-01 903 2018 4 5.05017e+00 1.29117e+00 1123 2018 5 1.09476e+01 3.20515e+00 496 2018 6 1.59101e+01 1.46751e+00 799 2018 7 1.80766e+01 1.73791e+00 1445 2018 8 2.03193e+01 1.90710e+00 1707 2018 9 1.90467e+01 1.77640e+00 1705 2018 10 1.38231e+01 1.95136e+00 1706 2018 11 9.85236e+00 1.61446e+00 1472 2018 12 6.15978e+00 1.20619e+00 1320 2019 1 4.62228e+00 1.40547e+00 1456 2019 2 2.79116e+00 6.31015e-01 917 2019 3 3.18040e+00 6.39001e-01 1219 2019 4 5.62102e+00 1.51008e+00 1159 2019 5 1.01808e+01 1.98184e+00 844 2019 6 1.39936e+01 1.80256e+00 1020 2019 7 1.97252e+01 1.92434e+00 1920 2019 8 1.77043e+01 1.95426e+00 2067 2019 9 1.72829e+01 1.07004e+00 3035 2019 10 1.39424e+01 7.43428e-01 1566 2019 11 1.00487e+01 1.95311e+00 2362 2019 12 6.05466e+00 1.06080e+00 1860 2020 1 4.96104e+00 7.17935e-01 1722 2020 2 3.93722e+00 3.82077e-01 1799 2020 3 5.24844e+00 8.53709e-01 1919 2020 4 6.24452e+00 4.96222e-01 1651 2020 5 1.00222e+01 2.21653e+00 2200 2020 6 1.56213e+01 2.36803e+00 1997 2020 7 1.96149e+01 1.26105e+00 1919 2020 8 1.96873e+01 1.30167e+00 912 2020 9 1.69658e+01 1.27527e+00 2582 2020 10 1.40020e+01 1.21335e+00 2727 2020 11 1.04631e+01 1.32265e+00 1781 2020 12 6.82694e+00 1.34509e+00 1864 2021 1 4.65985e+00 7.15130e-01 1585 2021 2 2.76253e+00 5.70862e-01 1271 2021 3 4.36327e+00 9.13126e-01 2446 2021 4 6.75657e+00 1.36399e+00 1936 2021 5 1.13908e+01 1.78806e+00 1679 2021 6 1.60662e+01 2.33809e+00 1747 2021 7 1.95071e+01 1.83671e+00 1466 2021 8 2.04141e+01 1.77530e+00 1700 2021 9 1.80917e+01 1.14557e+00 2368 2021 10 1.56878e+01 1.43481e+00 1910 2021 11 1.18443e+01 1.09652e+00 2571 2021 12 8.46495e+00 5.17541e-01 1400 2022 1 5.42936e+00 1.24802e+00 1775 2022 2 3.51142e+00 6.50173e-01 1871 2022 3 4.79499e+00 8.17632e-01 1861 2022 4 7.31578e+00 8.83942e-01 1272 2022 5 1.09948e+01 2.83814e+00 1733 2022 6 1.55240e+01 1.75875e+00 2486 2022 7 1.73096e+01 1.34230e+00 2208 2022 8 1.99997e+01 1.62554e+00 2318 2022 9 1.78102e+01 1.46750e+00 2714 2022 10 1.44656e+01 8.97413e-01 2417 2022 11 1.15971e+01 1.68239e+00 3491 2022 12 7.28811e+00 1.33979e+00 2269 2023 1 5.03781e+00 5.98169e-01 1118 2023 2 4.63946e+00 5.55123e-01 990 2023 3 5.05722e+00 9.30040e-01 1943 2023 4 7.74523e+00 1.68749e+00 1755 2023 5 1.23811e+01 1.45790e+00 3411 2023 6 1.65311e+01 2.05631e+00 1635 2023 7 1.97676e+01 1.50291e+00 2442 2023 8 1.79275e+01 1.14667e+00 2113 2023 9 1.89957e+01 1.66688e+00 2032 2023 10 1.57182e+01 1.56457e+00 1817 2023 11 1.05814e+01 1.46641e+00 2998 2023 12 7.52324e+00 6.73844e-01 2361 2024 1 5.71842e+00 7.39840e-01 1866 2024 2 3.76020e+00 5.67337e-01 2809 2024 3 5.11567e+00 7.74398e-01 1407 2024 4 5.51461e+00 4.41261e-02 64