YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 3.29369e+00 4.08870e-02 65 2000 3 4.13952e+00 5.59363e-01 241 2000 4 6.40239e+00 4.36848e-01 180 2000 5 1.01343e+01 1.97572e+00 343 2000 6 1.44964e+01 5.04953e-01 181 2000 7 1.58596e+01 1.78135e+00 266 2000 8 1.83901e+01 1.11297e+00 294 2000 9 1.58053e+01 1.55468e+00 443 2000 10 1.26600e+01 2.22096e+00 115 2000 11 8.73132e+00 8.91544e-01 382 2000 12 5.35813e+00 8.99803e-01 254 2001 1 2.65212e+00 4.24755e-01 208 2001 2 2.94797e+00 4.07935e-01 375 2001 3 3.17481e+00 6.05836e-01 346 2001 4 5.96324e+00 1.94639e+00 414 2001 5 1.17659e+01 1.36954e+00 275 2001 6 1.46607e+01 1.33183e+00 184 2001 7 1.50600e+01 2.12327e+00 244 2001 8 1.61553e+01 1.25216e+00 86 2001 9 1.53438e+01 1.21112e+00 486 2001 10 1.07224e+01 7.09791e-01 406 2001 11 7.98997e+00 1.50484e+00 500 2001 12 7.02259e+00 1.27390e+00 430 2002 1 4.00063e+00 4.93552e-01 309 2002 2 3.73368e+00 7.77831e-01 151 2002 3 4.27079e+00 7.30379e-01 189 2002 4 7.65646e+00 1.53942e+00 366 2002 5 1.02691e+01 1.32909e+00 303 2002 6 1.26189e+01 2.53963e+00 219 2002 7 1.69804e+01 1.61768e+00 1005 2002 8 1.84602e+01 1.68350e+00 1402 2002 9 1.69776e+01 1.78183e+00 1332 2002 10 1.36685e+01 1.77831e+00 1782 2002 11 9.30968e+00 9.67002e-01 1539 2002 12 4.92180e+00 8.68759e-01 1486 2003 1 2.76769e+00 8.98078e-01 373 2003 2 1.76043e+00 6.07463e-01 276 2003 3 2.48543e+00 1.26390e+00 687 2003 4 4.49110e+00 1.86999e+00 829 2003 5 9.61705e+00 1.75045e+00 776 2003 6 1.26886e+01 1.97445e+00 644 2003 7 1.68575e+01 1.18032e+00 535 2003 8 1.73837e+01 1.60693e+00 902 2003 9 1.68111e+01 1.44369e+00 1446 2003 10 1.24239e+01 1.94627e+00 1546 2003 11 8.65776e+00 1.13740e+00 1196 2003 12 5.00973e+00 8.46635e-01 1438 2004 1 3.66765e+00 9.85345e-01 471 2004 2 1.18492e+00 4.59909e-01 654 2004 3 2.47612e+00 3.32095e-01 530 2004 4 5.24320e+00 1.26727e+00 806 2004 5 9.67100e+00 2.29086e+00 906 2004 6 1.38104e+01 1.22208e+00 1113 2004 7 1.72321e+01 2.06516e+00 1112 2004 8 1.70884e+01 1.56551e+00 1293 2004 9 1.57096e+01 9.13477e-01 1326 2004 10 1.33497e+01 2.06150e+00 1602 2004 11 9.03341e+00 1.62982e+00 2236 2004 12 5.59524e+00 1.45041e+00 1510 2005 1 3.12212e+00 1.24974e+00 408 2005 2 1.19364e+00 1.00182e+00 327 2005 3 2.20464e+00 7.73091e-01 808 2005 4 6.79707e+00 1.46909e+00 1565 2005 5 8.65039e+00 1.54433e+00 622 2005 6 1.45051e+01 2.28965e+00 564 2005 7 1.77190e+01 1.47165e+00 886 2005 8 1.81038e+01 1.64349e+00 1491 2005 9 1.56923e+01 1.32046e+00 1093 2005 10 1.13817e+01 1.54015e+00 919 2005 11 8.93664e+00 1.56467e+00 1908 2005 12 5.14627e+00 1.25137e+00 1684 2006 1 4.08600e+00 5.86982e-01 1066 2006 2 3.17545e+00 7.28720e-01 718 2006 3 2.74412e+00 1.17889e+00 1040 2006 4 7.04153e+00 1.33119e+00 1674 2006 5 9.23750e+00 1.40032e+00 820 2006 6 1.45861e+01 1.55480e+00 683 2006 7 1.76548e+01 2.29557e+00 647 2006 8 1.70210e+01 1.17438e+00 1330 2006 9 1.66337e+01 1.57606e+00 1789 2006 10 1.22247e+01 1.50571e+00 1647 2006 11 9.71253e+00 1.75007e+00 1247 2006 12 7.54451e+00 1.29468e+00 1921 2007 1 5.22276e+00 1.40763e+00 1036 2007 2 2.20338e+00 7.24506e-01 893 2007 3 3.41322e+00 1.39728e+00 1171 2007 4 5.26204e+00 1.48524e+00 1056 2007 5 9.78899e+00 2.08018e+00 1449 2007 6 1.50684e+01 1.12412e+00 1354 2007 7 1.72024e+01 2.63959e+00 925 2007 8 1.67715e+01 2.10932e+00 1213 2007 9 1.50285e+01 1.14099e+00 1464 2007 10 1.28907e+01 1.23979e+00 1494 2007 11 8.65699e+00 1.46994e+00 1401 2007 12 4.81825e+00 1.13691e+00 944 2008 1 3.14598e+00 6.82797e-01 848 2008 2 2.70681e+00 5.70569e-01 751 2008 3 3.09972e+00 8.28382e-01 1336 2008 4 7.49080e+00 2.21664e+00 1110 2008 5 9.71924e+00 1.54102e+00 1474 2008 6 1.55244e+01 1.77599e+00 885 2008 7 1.78173e+01 1.51889e+00 1153 2008 8 1.87991e+01 1.54165e+00 2546 2008 9 1.59650e+01 2.14822e+00 1514 2008 10 1.26909e+01 1.42421e+00 1977 2008 11 8.67963e+00 1.74551e+00 1434 2008 12 5.71470e+00 9.69566e-01 1460 2009 1 2.72305e+00 1.18039e+00 928 2009 2 1.77537e+00 8.98461e-01 752 2009 3 3.25529e+00 4.78687e-01 751 2009 4 5.57002e+00 1.82025e+00 1319 2009 5 1.01184e+01 1.60798e+00 913 2009 6 1.42019e+01 2.05298e+00 801 2009 7 1.66565e+01 1.33657e+00 1539 2009 8 1.81198e+01 1.59111e+00 1315 2009 9 1.69024e+01 8.24728e-01 2287 2009 10 1.13003e+01 1.39442e+00 1580 2009 11 1.02355e+01 8.79310e-01 1440 2009 12 6.92691e+00 1.70169e+00 1590 2010 1 2.20507e+00 1.07823e+00 680 2010 2 1.98053e+00 7.87350e-01 749 2010 3 3.74452e+00 1.32306e+00 1077 2010 4 7.65807e+00 8.70947e-01 1245 2010 5 1.13266e+01 2.75027e+00 1019 2010 6 1.41097e+01 1.97692e+00 633 2010 7 1.79328e+01 2.11044e+00 1356 2010 8 1.74533e+01 1.26234e+00 1316 2010 9 1.60826e+01 1.48157e+00 1610 2010 10 1.35779e+01 1.21970e+00 1789 2010 11 8.69700e+00 1.37788e+00 1473 2010 12 5.24781e+00 1.63655e+00 1345 2011 1 2.81131e+00 1.12974e+00 564 2011 2 1.77690e+00 8.28026e-01 700 2011 3 3.29297e+00 7.88208e-01 1308 2011 4 5.44570e+00 1.25280e+00 890 2011 5 9.91864e+00 2.68871e+00 491 2011 6 1.47659e+01 2.81298e+00 1000 2011 7 1.76694e+01 1.37086e+00 1424 2011 8 1.83802e+01 1.48025e+00 1518 2011 9 1.61030e+01 1.24671e+00 1740 2011 10 1.39109e+01 1.73873e+00 1298 2011 11 1.01152e+01 9.65101e-01 1394 2011 12 8.19304e+00 9.66712e-01 1661 2012 1 4.98679e+00 9.39915e-01 1480 2012 2 3.93511e+00 9.33232e-01 1339 2012 3 5.46306e+00 1.25344e+00 464 2012 4 8.03660e+00 1.53102e+00 1672 2012 5 1.19980e+01 2.16373e+00 771 2012 6 1.58621e+01 1.71526e+00 1118 2012 7 1.84382e+01 1.63561e+00 1782 2012 8 1.89047e+01 1.27965e+00 2144 2012 9 1.56701e+01 1.58873e+00 1367 2012 10 1.31139e+01 1.05633e+00 1635 2012 11 9.44008e+00 1.61906e+00 1590 2012 12 6.53245e+00 8.28855e-01 1013 2013 1 4.50806e+00 1.36661e+00 1250 2013 2 2.64820e+00 9.36206e-01 807 2013 3 3.66092e+00 7.25313e-01 867 2013 4 6.83566e+00 2.72807e+00 1684 2013 5 1.12640e+01 1.68944e+00 1447 2013 6 1.54949e+01 1.56340e+00 1404 2013 7 2.12611e+01 1.75266e+00 1325 2013 8 1.76255e+01 1.99726e+00 1577 2013 9 1.52664e+01 1.25219e+00 1682 2013 10 1.40264e+01 1.67670e+00 2348 2013 11 9.08887e+00 1.40496e+00 1444 2013 12 4.32573e+00 1.20893e+00 993 2014 1 2.45859e+00 9.28273e-01 625 2014 2 1.64726e+00 3.35301e-01 241 2014 3 2.20861e+00 7.09047e-01 554 2014 4 5.31211e+00 8.49677e-01 1114 2014 5 9.83696e+00 2.36961e+00 842 2014 6 1.54533e+01 1.59430e+00 1484 2014 7 1.61406e+01 1.52448e+00 1051 2014 8 1.81411e+01 1.76850e+00 1995 2014 9 1.66814e+01 1.08803e+00 1826 2014 10 1.44353e+01 1.44007e+00 1477 2014 11 9.19297e+00 1.35713e+00 1067 2014 12 6.49793e+00 6.26924e-01 1055 2015 1 3.45949e+00 1.39557e+00 964 2015 2 1.34077e+00 4.39438e-01 91 2015 3 1.67308e+00 2.19371e-01 370 2015 4 4.96912e+00 2.39425e+00 1124 2015 5 1.12930e+01 1.59058e+00 704 2015 6 1.45067e+01 2.64029e+00 950 2015 7 1.86185e+01 1.62875e+00 2223 2015 8 1.82630e+01 1.80724e+00 2044 2015 9 1.83845e+01 1.08592e+00 1933 2015 10 1.35894e+01 1.54454e+00 1968 2015 11 1.03865e+01 1.17947e+00 1577 2015 12 7.74942e+00 1.12103e+00 880 2016 1 4.93809e+00 1.08176e+00 1183 2016 2 3.35663e+00 1.00467e+00 991 2016 3 5.07527e+00 1.14620e+00 1179 2016 4 6.79122e+00 1.43350e+00 1825 2016 5 9.23182e+00 2.54108e+00 1003 2016 6 1.46332e+01 1.58204e+00 1545 2016 7 1.82772e+01 2.12852e+00 1355 2016 8 1.95231e+01 1.56902e+00 2256 2016 9 1.76269e+01 1.48545e+00 1927 2016 10 1.50473e+01 1.01693e+00 1731 2016 11 1.03720e+01 1.53645e+00 1629 2016 12 6.69526e+00 1.61027e+00 1410 2017 1 4.20408e+00 1.24352e+00 881 2017 2 3.90792e+00 1.06190e+00 1059 2017 3 3.24570e+00 1.07940e+00 1210 2017 4 5.69780e+00 2.02212e+00 937 2017 5 1.04971e+01 2.10042e+00 792 2017 6 1.30272e+01 2.25998e+00 613 2017 7 1.69307e+01 1.00798e+00 915 2017 8 1.71124e+01 1.78948e+00 1999 2017 9 1.65011e+01 2.09282e+00 1234 2017 10 1.50907e+01 1.43422e+00 1584 2017 11 8.97854e+00 1.25479e+00 2050 2017 12 5.73135e+00 1.46446e+00 997 2018 1 2.27784e+00 1.10061e+00 498 2018 2 3.04192e+00 1.15989e+00 707 2018 3 3.33789e+00 9.64124e-01 907 2018 4 5.23490e+00 1.18994e+00 1130 2018 5 1.16889e+01 3.01154e+00 371 2018 6 1.57983e+01 1.46013e+00 776 2018 7 1.77609e+01 1.74126e+00 1177 2018 8 2.02974e+01 1.83037e+00 1382 2018 9 1.90631e+01 1.70664e+00 1595 2018 10 1.35937e+01 2.15781e+00 1627 2018 11 9.29498e+00 2.00195e+00 1366 2018 12 5.76874e+00 1.21676e+00 1070 2019 1 3.95979e+00 1.59830e+00 1210 2019 2 2.53089e+00 4.11474e-01 843 2019 3 3.17113e+00 7.82265e-01 1077 2019 4 5.90958e+00 1.51442e+00 1128 2019 5 9.93221e+00 2.15868e+00 831 2019 6 1.41363e+01 1.83746e+00 934 2019 7 1.94187e+01 1.77636e+00 1660 2019 8 1.73152e+01 1.97029e+00 2056 2019 9 1.71202e+01 1.13154e+00 2937 2019 10 1.36922e+01 6.81025e-01 1438 2019 11 9.75588e+00 2.13227e+00 2221 2019 12 5.33834e+00 8.36050e-01 1653 2020 1 4.43027e+00 8.43794e-01 1593 2020 2 3.68416e+00 4.16472e-01 1716 2020 3 5.19770e+00 1.07568e+00 1915 2020 4 6.43333e+00 5.57806e-01 1577 2020 5 1.03969e+01 2.19309e+00 2145 2020 6 1.53177e+01 2.37557e+00 2032 2020 7 1.89600e+01 1.14697e+00 1771 2020 8 1.90659e+01 1.16971e+00 770 2020 9 1.68112e+01 1.28962e+00 2680 2020 10 1.38977e+01 1.26671e+00 2734 2020 11 1.01897e+01 1.47147e+00 1643 2020 12 6.43509e+00 1.37339e+00 1693 2021 1 4.04770e+00 7.28050e-01 1294 2021 2 2.29338e+00 6.72433e-01 1202 2021 3 4.18321e+00 1.10992e+00 2393 2021 4 7.04218e+00 1.24551e+00 1848 2021 5 1.15812e+01 1.72760e+00 1696 2021 6 1.61005e+01 2.08022e+00 1673 2021 7 1.92270e+01 1.68951e+00 1220 2021 8 2.00783e+01 1.87648e+00 1489 2021 9 1.79649e+01 1.17947e+00 2293 2021 10 1.53902e+01 1.43495e+00 2006 2021 11 1.15139e+01 1.27599e+00 2566 2021 12 7.51750e+00 8.08627e-01 1329 2022 1 4.44468e+00 1.37051e+00 1358 2022 2 3.02208e+00 8.59809e-01 1619 2022 3 4.71634e+00 9.91217e-01 1664 2022 4 7.69669e+00 8.40548e-01 1118 2022 5 1.13158e+01 2.39465e+00 1621 2022 6 1.52247e+01 1.70791e+00 2233 2022 7 1.70263e+01 1.12804e+00 1876 2022 8 1.97734e+01 1.51803e+00 2345 2022 9 1.76843e+01 1.33238e+00 2565 2022 10 1.43086e+01 8.68049e-01 2487 2022 11 1.12607e+01 2.00487e+00 3570 2022 12 6.54516e+00 1.30525e+00 2139 2023 1 4.74851e+00 6.53069e-01 1120 2023 2 4.18119e+00 8.16702e-01 1066 2023 3 5.13654e+00 1.00817e+00 1846 2023 4 7.95308e+00 1.55061e+00 1628 2023 5 1.24662e+01 1.34088e+00 3537 2023 6 1.61413e+01 1.95624e+00 1611 2023 7 1.94693e+01 1.39999e+00 2363 2023 8 1.74876e+01 1.20094e+00 1985 2023 9 1.87069e+01 1.54474e+00 1989 2023 10 1.56423e+01 1.67328e+00 1867 2023 11 1.00618e+01 1.60000e+00 2860 2023 12 6.99990e+00 8.12770e-01 2286 2024 1 5.35063e+00 1.06830e+00 1754 2024 2 3.50178e+00 6.80011e-01 2663 2024 3 5.20269e+00 7.62362e-01 1335 2024 4 5.49492e+00 3.60392e-02 64