YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.83174e+01 2.25365e-01 174 2000 3 2.03279e+01 1.66475e+00 739 2000 4 2.20806e+01 8.85786e-01 601 2000 5 2.55823e+01 1.75193e+00 823 2000 6 2.77884e+01 8.01047e-01 448 2000 7 2.87296e+01 1.12424e+00 575 2000 8 2.95836e+01 5.81856e-01 239 2000 9 2.74818e+01 1.32177e+00 415 2000 10 2.28643e+01 1.71221e+00 928 2000 11 2.22958e+01 1.61806e+00 404 2000 12 1.65624e+01 2.91833e-01 35 2001 1 1.22816e+01 7.68726e-02 64 2001 2 1.83021e+01 1.62535e+00 357 2001 3 1.60575e+01 1.23219e+00 433 2001 4 2.16765e+01 1.99315e+00 640 2001 5 2.55952e+01 9.59039e-01 799 2001 6 2.82723e+01 1.22439e+00 209 2001 7 2.80718e+01 1.59664e+00 238 2001 8 2.94504e+01 1.32516e+00 473 2001 9 2.65509e+01 1.65793e+00 398 2001 10 2.25024e+01 2.06087e+00 353 2001 11 1.94841e+01 1.02457e+00 795 2001 12 1.92311e+01 2.35164e+00 482 2002 1 1.32073e+01 1.97167e+00 52 2002 2 1.60116e+01 1.54485e+00 348 2002 3 1.93704e+01 2.16601e+00 107 2002 4 2.44300e+01 2.13796e+00 640 2002 5 2.66937e+01 1.53479e+00 783 2002 6 2.84505e+01 7.65094e-01 512 2002 7 2.93380e+01 1.15574e+00 1511 2002 8 2.89246e+01 9.93740e-01 2003 2002 9 2.88426e+01 1.11788e+00 1736 2002 10 2.68520e+01 1.83786e+00 2917 2002 11 2.01081e+01 2.77518e+00 1799 2002 12 1.43980e+01 9.83806e-01 1160 2003 1 1.18994e+01 1.38956e+00 1518 2003 2 1.47093e+01 2.11956e+00 780 2003 3 2.10099e+01 1.63939e+00 1492 2003 4 2.20057e+01 2.06683e+00 2558 2003 5 2.69862e+01 1.45875e+00 2853 2003 6 2.85237e+01 1.48312e+00 1534 2003 7 2.94403e+01 1.61089e+00 1307 2003 8 2.88623e+01 1.45156e+00 2110 2003 9 2.81638e+01 1.39267e+00 1931 2003 10 2.39743e+01 1.25398e+00 2816 2003 11 2.16802e+01 1.73725e+00 2552 2003 12 1.43379e+01 1.40295e+00 942 2004 1 1.33300e+01 1.01314e+00 1357 2004 2 1.35828e+01 7.25272e-01 564 2004 3 1.88533e+01 1.64223e+00 2778 2004 4 2.06239e+01 1.68817e+00 2325 2004 5 2.64199e+01 1.82005e+00 3562 2004 6 2.94738e+01 1.22055e+00 2296 2004 7 2.99315e+01 1.36568e+00 2258 2004 8 2.94377e+01 1.67883e+00 2391 2004 9 2.71955e+01 1.74056e+00 2081 2004 10 2.49652e+01 1.69371e+00 2687 2004 11 2.15497e+01 2.36869e+00 1937 2004 12 1.66465e+01 2.32283e+00 1182 2005 1 1.48126e+01 2.04714e+00 771 2005 2 1.44038e+01 1.21278e+00 1176 2005 3 1.67457e+01 2.00276e+00 1666 2005 4 2.05270e+01 1.05341e+00 2911 2005 5 2.49158e+01 2.25289e+00 2826 2005 6 2.84982e+01 1.42243e+00 2145 2005 7 3.04165e+01 1.78942e+00 1959 2005 8 2.99313e+01 1.99807e+00 2022 2005 9 2.78984e+01 1.47178e+00 2633 2005 10 2.54436e+01 2.66767e+00 2657 2005 11 1.98702e+01 1.96999e+00 1942 2005 12 1.49166e+01 1.96513e+00 1393 2006 1 1.52061e+01 1.28060e+00 1638 2006 2 1.45584e+01 1.46226e+00 1603 2006 3 1.87720e+01 1.26591e+00 2959 2006 4 2.27610e+01 2.30084e+00 2822 2006 5 2.52345e+01 1.66791e+00 3345 2006 6 2.83363e+01 1.15162e+00 3009 2006 7 3.00364e+01 1.30956e+00 2545 2006 8 3.04352e+01 1.02240e+00 2669 2006 9 2.84468e+01 1.55369e+00 2509 2006 10 2.43565e+01 2.14762e+00 2807 2006 11 1.86838e+01 1.51431e+00 1391 2006 12 1.61752e+01 1.26789e+00 537 2007 1 1.49272e+01 1.43409e+00 892 2007 2 1.39261e+01 1.15531e+00 1207 2007 3 1.91948e+01 1.92975e+00 3200 2007 4 2.10340e+01 2.00617e+00 2193 2007 5 2.44355e+01 1.03220e+00 3252 2007 6 2.80785e+01 1.62922e+00 2243 2007 7 2.99986e+01 1.58618e+00 1780 2007 8 3.05809e+01 1.19652e+00 2488 2007 9 2.86226e+01 1.30286e+00 2045 2007 10 2.62966e+01 1.01745e+00 1785 2007 11 1.91923e+01 1.56256e+00 2763 2007 12 1.78971e+01 1.44041e+00 1649 2008 1 1.41886e+01 2.21841e+00 660 2008 2 1.67253e+01 1.48910e+00 1628 2008 3 1.78720e+01 1.99543e+00 2427 2008 4 2.21648e+01 1.49258e+00 2739 2008 5 2.49868e+01 1.68378e+00 2821 2008 6 2.91240e+01 1.31997e+00 2298 2008 7 2.97294e+01 1.48002e+00 1523 2008 8 2.81872e+01 1.85319e+00 1651 2008 9 2.75797e+01 1.81771e+00 2470 2008 10 2.35648e+01 2.31536e+00 2949 2008 11 1.72052e+01 2.20783e+00 1895 2008 12 1.56543e+01 1.34180e+00 1371 2009 1 1.46300e+01 2.21458e+00 1607 2009 2 1.40883e+01 1.42588e+00 1693 2009 3 1.84238e+01 2.81907e+00 1982 2009 4 2.21369e+01 1.58212e+00 2508 2009 5 2.61558e+01 1.64468e+00 2681 2009 6 2.86274e+01 1.51605e+00 2498 2009 7 2.91317e+01 1.17075e+00 2027 2009 8 2.96269e+01 1.79679e+00 2307 2009 9 2.86329e+01 9.94465e-01 2473 2009 10 2.58753e+01 2.72952e+00 2817 2009 11 1.95459e+01 1.30427e+00 1634 2009 12 1.41798e+01 2.20779e+00 551 2010 1 1.17471e+01 3.00654e+00 1035 2010 2 1.22476e+01 9.79326e-01 1666 2010 3 1.54172e+01 2.08618e+00 1830 2010 4 2.16459e+01 1.47448e+00 2310 2010 5 2.68720e+01 1.96250e+00 3282 2010 6 3.04506e+01 1.47380e+00 2611 2010 7 2.97762e+01 1.92385e+00 2468 2010 8 3.02052e+01 1.45937e+00 1403 2010 9 2.91164e+01 1.54971e+00 2408 2010 10 2.44651e+01 1.00881e+00 3889 2010 11 1.96874e+01 1.42309e+00 2669 2010 12 1.42104e+01 2.84505e+00 1338 2011 1 1.14936e+01 9.99074e-01 1267 2011 2 1.45920e+01 2.50622e+00 1000 2011 3 1.94621e+01 1.47607e+00 2284 2011 4 2.38644e+01 1.64755e+00 3595 2011 5 2.60604e+01 1.57757e+00 4087 2011 6 2.95187e+01 1.42432e+00 2653 2011 7 2.96240e+01 1.08709e+00 2031 2011 8 3.06961e+01 1.12860e+00 2905 2011 9 2.83886e+01 1.06994e+00 2861 2011 10 2.34255e+01 1.87189e+00 2218 2011 11 1.87112e+01 9.95302e-01 2208 2011 12 1.61493e+01 7.41674e-01 1092 2012 1 1.52316e+01 1.52123e+00 2109 2012 2 1.64829e+01 1.86302e+00 718 2012 3 2.18465e+01 2.04759e+00 2879 2012 4 2.35233e+01 1.15660e+00 3529 2012 5 2.70244e+01 9.82282e-01 3132 2012 6 2.75123e+01 1.40699e+00 2154 2012 7 2.96152e+01 1.98634e+00 2132 2012 8 2.91247e+01 1.76337e+00 1781 2012 9 2.82799e+01 1.39764e+00 1814 2012 10 2.50524e+01 2.11375e+00 2218 2012 11 1.83360e+01 9.52780e-01 2177 2012 12 1.73850e+01 1.70749e+00 1640 2013 1 1.52656e+01 1.66840e+00 1251 2013 2 1.63186e+01 1.46643e+00 1554 2013 3 1.60069e+01 1.60353e+00 2591 2013 4 2.10720e+01 2.19933e+00 2466 2013 5 2.49109e+01 2.28104e+00 2836 2013 6 2.84137e+01 1.56409e+00 2839 2013 7 2.86350e+01 1.39688e+00 1148 2013 8 3.02101e+01 1.86798e+00 2411 2013 9 2.96532e+01 1.72301e+00 2663 2013 10 2.52245e+01 1.89331e+00 2921 2013 11 1.94684e+01 2.55314e+00 1539 2013 12 1.67153e+01 1.77754e+00 852 2014 1 1.25391e+01 9.17263e-01 814 2014 2 1.47513e+01 2.29853e+00 1137 2014 3 1.72644e+01 1.50184e+00 2125 2014 4 2.15983e+01 2.03526e+00 2225 2014 5 2.53516e+01 1.47719e+00 2432 2014 6 2.88016e+01 1.59002e+00 2282 2014 7 3.04273e+01 1.33439e+00 2031 2014 8 3.00356e+01 1.05081e+00 2644 2014 9 2.89599e+01 1.19088e+00 961 2014 10 2.50813e+01 1.73183e+00 3179 2014 11 1.70837e+01 2.08372e+00 1668 2014 12 1.59848e+01 1.10104e+00 1399 2015 1 1.45484e+01 1.12508e+00 1872 2015 2 1.35067e+01 1.31458e+00 1495 2015 3 1.93683e+01 2.01507e+00 1510 2015 4 2.33879e+01 2.04911e+00 1235 2015 5 2.68937e+01 1.93787e+00 3806 2015 6 2.99839e+01 1.35952e+00 2216 2015 7 2.94468e+01 1.51585e+00 2008 2015 8 3.00151e+01 1.83300e+00 1967 2015 9 2.79364e+01 1.73297e+00 1135 2015 10 2.40861e+01 1.41025e+00 2452 2015 11 2.22834e+01 3.09428e+00 2146 2015 12 1.85300e+01 1.17359e+00 913 2016 1 1.45860e+01 1.86168e+00 1114 2016 2 1.45273e+01 1.57489e+00 1357 2016 3 1.87714e+01 2.04814e+00 1381 2016 4 2.23452e+01 1.97967e+00 2266 2016 5 2.61368e+01 1.83908e+00 3084 2016 6 2.95250e+01 1.24911e+00 2887 2016 7 3.13009e+01 1.31772e+00 2922 2016 8 3.04090e+01 1.45097e+00 2336 2016 9 2.92507e+01 1.39743e+00 2778 2016 10 2.52179e+01 1.74250e+00 2980 2016 11 2.00705e+01 2.69489e+00 2819 2016 12 1.80463e+01 1.56670e+00 1531 2017 1 1.62858e+01 1.66967e+00 1315 2017 2 1.79614e+01 1.85921e+00 2108 2017 3 1.92072e+01 2.16922e+00 2600 2017 4 2.35548e+01 1.44876e+00 2686 2017 5 2.52661e+01 1.44826e+00 2109 2017 6 2.85300e+01 1.75597e+00 1673 2017 7 3.02810e+01 1.53427e+00 1296 2017 8 3.01044e+01 1.65490e+00 1887 2017 9 2.81235e+01 1.58678e+00 2550 2017 10 2.52159e+01 2.49096e+00 2823 2017 11 1.99810e+01 1.19088e+00 2765 2017 12 1.71898e+01 2.27777e+00 1252 2018 1 1.14054e+01 1.70184e+00 1283 2018 2 2.00048e+01 3.39415e+00 1322 2018 3 1.84335e+01 2.02609e+00 2804 2018 4 2.15023e+01 1.43655e+00 2464 2018 5 2.51137e+01 1.83607e+00 2118 2018 6 2.92453e+01 1.88894e+00 2044 2018 7 3.00059e+01 1.32056e+00 1740 2018 8 2.99665e+01 1.45340e+00 1697 2018 9 3.04114e+01 1.23478e+00 2962 2018 10 2.67801e+01 2.34007e+00 3196 2018 11 1.90894e+01 2.52427e+00 1038 2018 12 1.55298e+01 2.04667e+00 1238 2019 1 1.52476e+01 1.86880e+00 1700 2019 2 1.85175e+01 2.67482e+00 1284 2019 3 1.90492e+01 1.43843e+00 2175 2019 4 2.24506e+01 1.76547e+00 2257 2019 5 2.76371e+01 1.95599e+00 3404 2019 6 2.91468e+01 1.48968e+00 1842 2019 7 2.98796e+01 1.49507e+00 1626 2019 8 3.00653e+01 1.21584e+00 1977 2019 9 2.91990e+01 1.02924e+00 3376 2019 10 2.62472e+01 1.87896e+00 2239 2019 11 1.87258e+01 2.37485e+00 2163 2019 12 1.65575e+01 1.42597e+00 1801 2020 1 1.59431e+01 1.66858e+00 2145 2020 2 1.57569e+01 1.36143e+00 1708 2020 3 2.12706e+01 3.46879e+00 2750 2020 4 2.40901e+01 9.08137e-01 1790 2020 5 2.49491e+01 1.60924e+00 3104 2020 6 2.94781e+01 1.35080e+00 2149 2020 7 3.02545e+01 1.28226e+00 1694 2020 8 3.13377e+01 1.31647e+00 1279 2020 9 2.79012e+01 2.02908e+00 1597 2020 10 2.56931e+01 1.08749e+00 2352 2020 11 2.14251e+01 1.88892e+00 2784 2020 12 1.50606e+01 1.54549e+00 2455 2021 1 1.44599e+01 1.55738e+00 1528 2021 2 1.67000e+01 2.14131e+00 1671 2021 3 1.89594e+01 1.87245e+00 2363 2021 4 2.19660e+01 1.65856e+00 2482 2021 5 2.58547e+01 1.42667e+00 2540 2021 6 2.83599e+01 1.36442e+00 1204 2021 7 2.96294e+01 1.28786e+00 1704 2021 8 3.02205e+01 1.35448e+00 1876 2021 9 2.85283e+01 1.21334e+00 2695 2021 10 2.61288e+01 1.88049e+00 1847 2021 11 1.88938e+01 1.49115e+00 2540 2021 12 1.78908e+01 1.36119e+00 2391 2022 1 1.57705e+01 2.46206e+00 2731 2022 2 1.61665e+01 2.70356e+00 2387 2022 3 1.95745e+01 1.11894e+00 2641 2022 4 2.31940e+01 1.22399e+00 1901 2022 5 2.68360e+01 1.35482e+00 3005 2022 6 2.98847e+01 1.07297e+00 2348 2022 7 3.07797e+01 1.02095e+00 2157 2022 8 3.09741e+01 1.36832e+00 1954 2022 9 2.82470e+01 1.77879e+00 1951 2022 10 2.31314e+01 1.57450e+00 3041 2022 11 2.15157e+01 2.61986e+00 1811 2022 12 1.77370e+01 2.91645e+00 2855 2023 1 1.48927e+01 1.17271e+00 2535 2023 2 1.71797e+01 1.58897e+00 2217 2023 3 2.06449e+01 1.99874e+00 3074 2023 4 2.29779e+01 1.43002e+00 2143 2023 5 2.57302e+01 1.82070e+00 2699 2023 6 2.76379e+01 1.37815e+00 2055 2023 7 3.05258e+01 1.37948e+00 3125 2023 8 3.10901e+01 1.04162e+00 2830 2023 9 2.92172e+01 1.36831e+00 2367 2023 10 2.36647e+01 1.39052e+00 2625 2023 11 2.03095e+01 1.54014e+00 1911 2023 12 1.44122e+01 1.41477e+00 1313 2024 1 1.38216e+01 1.03283e+00 1224 2024 2 1.57333e+01 9.13248e-01 2044 2024 3 2.01599e+01 1.29927e+00 2121 2024 4 2.22460e+01 8.84899e-01 254